diff options
| author | spiff <spiff@xbmc.org> | 2011-02-06 23:59:03 +0100 |
|---|---|---|
| committer | spiff <spiff@xbmc.org> | 2011-02-06 23:59:26 +0100 |
| commit | 32b11cf1f0a48f2b1de7274873dfeb9c27409b05 (patch) | |
| tree | da3037089b3677ae03376c2f64f37ce39b6cc6d8 /lib/win32/glib-2.20.4/glib/gmarkup.c | |
| parent | d478c5ca309ef8761bd2ec8847b9e55f1ae3bff6 (diff) | |
| parent | 149e1e76ac551115d9b1c522526bcd0e2aa5aee2 (diff) | |
Merge branch 'remove-libmms' of github:cptspiff/xbmc. this replaces libmms with ffmpeg's built-in mms support
Diffstat (limited to 'lib/win32/glib-2.20.4/glib/gmarkup.c')
| -rw-r--r-- | lib/win32/glib-2.20.4/glib/gmarkup.c | 2996 |
1 files changed, 0 insertions, 2996 deletions
diff --git a/lib/win32/glib-2.20.4/glib/gmarkup.c b/lib/win32/glib-2.20.4/glib/gmarkup.c deleted file mode 100644 index b1f4f465ff..0000000000 --- a/lib/win32/glib-2.20.4/glib/gmarkup.c +++ /dev/null @@ -1,2996 +0,0 @@ -/* gmarkup.c - Simple XML-like parser - * - * Copyright 2000, 2003 Red Hat, Inc. - * Copyright 2007, 2008 Ryan Lortie <desrt@desrt.ca> - * - * GLib is free software; you can redistribute it and/or modify it - * under the terms of the GNU Lesser General Public License as - * published by the Free Software Foundation; either version 2 of the - * License, or (at your option) any later version. - * - * GLib is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with GLib; see the file COPYING.LIB. If not, - * write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, - * Boston, MA 02111-1307, USA. - */ - -#include "config.h" - -#include <stdarg.h> -#include <string.h> -#include <stdio.h> -#include <stdlib.h> -#include <errno.h> - -#include "glib.h" -#include "glibintl.h" -#include "galias.h" - -GQuark -g_markup_error_quark (void) -{ - return g_quark_from_static_string ("g-markup-error-quark"); -} - -typedef enum -{ - STATE_START, - STATE_AFTER_OPEN_ANGLE, - STATE_AFTER_CLOSE_ANGLE, - STATE_AFTER_ELISION_SLASH, /* the slash that obviates need for end element */ - STATE_INSIDE_OPEN_TAG_NAME, - STATE_INSIDE_ATTRIBUTE_NAME, - STATE_AFTER_ATTRIBUTE_NAME, - STATE_BETWEEN_ATTRIBUTES, - STATE_AFTER_ATTRIBUTE_EQUALS_SIGN, - STATE_INSIDE_ATTRIBUTE_VALUE_SQ, - STATE_INSIDE_ATTRIBUTE_VALUE_DQ, - STATE_INSIDE_TEXT, - STATE_AFTER_CLOSE_TAG_SLASH, - STATE_INSIDE_CLOSE_TAG_NAME, - STATE_AFTER_CLOSE_TAG_NAME, - STATE_INSIDE_PASSTHROUGH, - STATE_ERROR -} GMarkupParseState; - -typedef struct -{ - const char *prev_element; - const GMarkupParser *prev_parser; - gpointer prev_user_data; -} GMarkupRecursionTracker; - -struct _GMarkupParseContext -{ - const GMarkupParser *parser; - - GMarkupParseFlags flags; - - gint line_number; - gint char_number; - - gpointer user_data; - GDestroyNotify dnotify; - - /* A piece of character data or an element that - * hasn't "ended" yet so we haven't yet called - * the callback for it. - */ - GString *partial_chunk; - - GMarkupParseState state; - GSList *tag_stack; - gchar **attr_names; - gchar **attr_values; - gint cur_attr; - gint alloc_attrs; - - const gchar *current_text; - gssize current_text_len; - const gchar *current_text_end; - - GString *leftover_char_portion; - - /* used to save the start of the last interesting thingy */ - const gchar *start; - - const gchar *iter; - - guint document_empty : 1; - guint parsing : 1; - guint awaiting_pop : 1; - gint balance; - - /* subparser support */ - GSList *subparser_stack; /* (GMarkupRecursionTracker *) */ - const char *subparser_element; - gpointer held_user_data; -}; - -/** - * g_markup_parse_context_new: - * @parser: a #GMarkupParser - * @flags: one or more #GMarkupParseFlags - * @user_data: user data to pass to #GMarkupParser functions - * @user_data_dnotify: user data destroy notifier called when the parse context is freed - * - * Creates a new parse context. A parse context is used to parse - * marked-up documents. You can feed any number of documents into - * a context, as long as no errors occur; once an error occurs, - * the parse context can't continue to parse text (you have to free it - * and create a new parse context). - * - * Return value: a new #GMarkupParseContext - **/ -GMarkupParseContext * -g_markup_parse_context_new (const GMarkupParser *parser, - GMarkupParseFlags flags, - gpointer user_data, - GDestroyNotify user_data_dnotify) -{ - GMarkupParseContext *context; - - g_return_val_if_fail (parser != NULL, NULL); - - context = g_new (GMarkupParseContext, 1); - - context->parser = parser; - context->flags = flags; - context->user_data = user_data; - context->dnotify = user_data_dnotify; - - context->line_number = 1; - context->char_number = 1; - - context->partial_chunk = NULL; - - context->state = STATE_START; - context->tag_stack = NULL; - context->attr_names = NULL; - context->attr_values = NULL; - context->cur_attr = -1; - context->alloc_attrs = 0; - - context->current_text = NULL; - context->current_text_len = -1; - context->current_text_end = NULL; - context->leftover_char_portion = NULL; - - context->start = NULL; - context->iter = NULL; - - context->document_empty = TRUE; - context->parsing = FALSE; - - context->awaiting_pop = FALSE; - context->subparser_stack = NULL; - context->subparser_element = NULL; - - /* this is only looked at if awaiting_pop = TRUE. initialise anyway. */ - context->held_user_data = NULL; - - context->balance = 0; - - return context; -} - -/** - * g_markup_parse_context_free: - * @context: a #GMarkupParseContext - * - * Frees a #GMarkupParseContext. Can't be called from inside - * one of the #GMarkupParser functions. Can't be called while - * a subparser is pushed. - **/ -void -g_markup_parse_context_free (GMarkupParseContext *context) -{ - g_return_if_fail (context != NULL); - g_return_if_fail (!context->parsing); - g_return_if_fail (!context->subparser_stack); - g_return_if_fail (!context->awaiting_pop); - - if (context->dnotify) - (* context->dnotify) (context->user_data); - - g_strfreev (context->attr_names); - g_strfreev (context->attr_values); - - g_slist_foreach (context->tag_stack, (GFunc)g_free, NULL); - g_slist_free (context->tag_stack); - - if (context->partial_chunk) - g_string_free (context->partial_chunk, TRUE); - - if (context->leftover_char_portion) - g_string_free (context->leftover_char_portion, TRUE); - - g_free (context); -} - -static void pop_subparser_stack (GMarkupParseContext *context); - -static void -mark_error (GMarkupParseContext *context, - GError *error) -{ - context->state = STATE_ERROR; - - if (context->parser->error) - (*context->parser->error) (context, error, context->user_data); - - /* report the error all the way up to free all the user-data */ - while (context->subparser_stack) - { - pop_subparser_stack (context); - context->awaiting_pop = FALSE; /* already been freed */ - - if (context->parser->error) - (*context->parser->error) (context, error, context->user_data); - } -} - -static void set_error (GMarkupParseContext *context, - GError **error, - GMarkupError code, - const gchar *format, - ...) G_GNUC_PRINTF (4, 5); - -static void -set_error_literal (GMarkupParseContext *context, - GError **error, - GMarkupError code, - const gchar *message) -{ - GError *tmp_error; - - tmp_error = g_error_new_literal (G_MARKUP_ERROR, code, message); - - g_prefix_error (&tmp_error, - _("Error on line %d char %d: "), - context->line_number, - context->char_number); - - mark_error (context, tmp_error); - - g_propagate_error (error, tmp_error); -} - -static void -set_error (GMarkupParseContext *context, - GError **error, - GMarkupError code, - const gchar *format, - ...) -{ - gchar *s; - gchar *s_valid; - va_list args; - - va_start (args, format); - s = g_strdup_vprintf (format, args); - va_end (args); - - /* Make sure that the GError message is valid UTF-8 even if it is - * complaining about invalid UTF-8 in the markup: */ - s_valid = _g_utf8_make_valid (s); - set_error_literal (context, error, code, s); - - g_free (s); - g_free (s_valid); -} - -static void -propagate_error (GMarkupParseContext *context, - GError **dest, - GError *src) -{ - if (context->flags & G_MARKUP_PREFIX_ERROR_POSITION) - g_prefix_error (&src, - _("Error on line %d char %d: "), - context->line_number, - context->char_number); - - mark_error (context, src); - - g_propagate_error (dest, src); -} - -/* To make these faster, we first use the ascii-only tests, then check - * for the usual non-alnum name-end chars, and only then call the - * expensive unicode stuff. Nobody uses non-ascii in XML tag/attribute - * names, so this is a reasonable hack that virtually always avoids - * the guniprop call. - */ -#define IS_COMMON_NAME_END_CHAR(c) \ - ((c) == '=' || (c) == '/' || (c) == '>' || (c) == ' ') - -static gboolean -is_name_start_char (const gchar *p) -{ - if (g_ascii_isalpha (*p) || - (!IS_COMMON_NAME_END_CHAR (*p) && - (*p == '_' || - *p == ':' || - g_unichar_isalpha (g_utf8_get_char (p))))) - return TRUE; - else - return FALSE; -} - -static gboolean -is_name_char (const gchar *p) -{ - if (g_ascii_isalnum (*p) || - (!IS_COMMON_NAME_END_CHAR (*p) && - (*p == '.' || - *p == '-' || - *p == '_' || - *p == ':' || - g_unichar_isalpha (g_utf8_get_char (p))))) - return TRUE; - else - return FALSE; -} - - -static gchar* -char_str (gunichar c, - gchar *buf) -{ - memset (buf, 0, 8); - g_unichar_to_utf8 (c, buf); - return buf; -} - -static gchar* -utf8_str (const gchar *utf8, - gchar *buf) -{ - char_str (g_utf8_get_char (utf8), buf); - return buf; -} - -static void -set_unescape_error (GMarkupParseContext *context, - GError **error, - const gchar *remaining_text, - const gchar *remaining_text_end, - GMarkupError code, - const gchar *format, - ...) -{ - GError *tmp_error; - gchar *s; - va_list args; - gint remaining_newlines; - const gchar *p; - - remaining_newlines = 0; - p = remaining_text; - while (p != remaining_text_end) - { - if (*p == '\n') - ++remaining_newlines; - ++p; - } - - va_start (args, format); - s = g_strdup_vprintf (format, args); - va_end (args); - - tmp_error = g_error_new (G_MARKUP_ERROR, - code, - _("Error on line %d: %s"), - context->line_number - remaining_newlines, - s); - - g_free (s); - - mark_error (context, tmp_error); - - g_propagate_error (error, tmp_error); -} - -typedef enum -{ - USTATE_INSIDE_TEXT, - USTATE_AFTER_AMPERSAND, - USTATE_INSIDE_ENTITY_NAME, - USTATE_AFTER_CHARREF_HASH -} UnescapeState; - -typedef struct -{ - GMarkupParseContext *context; - GString *str; - UnescapeState state; - const gchar *text; - const gchar *text_end; - const gchar *entity_start; -} UnescapeContext; - -static const gchar* -unescape_text_state_inside_text (UnescapeContext *ucontext, - const gchar *p, - GError **error) -{ - const gchar *start; - gboolean normalize_attribute; - - if (ucontext->context->state == STATE_INSIDE_ATTRIBUTE_VALUE_SQ || - ucontext->context->state == STATE_INSIDE_ATTRIBUTE_VALUE_DQ) - normalize_attribute = TRUE; - else - normalize_attribute = FALSE; - - start = p; - - while (p != ucontext->text_end) - { - if (*p == '&') - { - break; - } - else if (normalize_attribute && (*p == '\t' || *p == '\n')) - { - g_string_append_len (ucontext->str, start, p - start); - g_string_append_c (ucontext->str, ' '); - p = g_utf8_next_char (p); - start = p; - } - else if (*p == '\r') - { - g_string_append_len (ucontext->str, start, p - start); - g_string_append_c (ucontext->str, normalize_attribute ? ' ' : '\n'); - p = g_utf8_next_char (p); - if (p != ucontext->text_end && *p == '\n') - p = g_utf8_next_char (p); - start = p; - } - else - p = g_utf8_next_char (p); - } - - if (p != start) - g_string_append_len (ucontext->str, start, p - start); - - if (p != ucontext->text_end && *p == '&') - { - p = g_utf8_next_char (p); - ucontext->state = USTATE_AFTER_AMPERSAND; - } - - return p; -} - -static const gchar* -unescape_text_state_after_ampersand (UnescapeContext *ucontext, - const gchar *p, - GError **error) -{ - ucontext->entity_start = NULL; - - if (*p == '#') - { - p = g_utf8_next_char (p); - - ucontext->entity_start = p; - ucontext->state = USTATE_AFTER_CHARREF_HASH; - } - else if (!is_name_start_char (p)) - { - if (*p == ';') - { - set_unescape_error (ucontext->context, error, - p, ucontext->text_end, - G_MARKUP_ERROR_PARSE, - _("Empty entity '&;' seen; valid " - "entities are: & " < > '")); - } - else - { - gchar buf[8]; - - set_unescape_error (ucontext->context, error, - p, ucontext->text_end, - G_MARKUP_ERROR_PARSE, - _("Character '%s' is not valid at " - "the start of an entity name; " - "the & character begins an entity; " - "if this ampersand isn't supposed " - "to be an entity, escape it as " - "&"), - utf8_str (p, buf)); - } - } - else - { - ucontext->entity_start = p; - ucontext->state = USTATE_INSIDE_ENTITY_NAME; - } - - return p; -} - -static const gchar* -unescape_text_state_inside_entity_name (UnescapeContext *ucontext, - const gchar *p, - GError **error) -{ - while (p != ucontext->text_end) - { - if (*p == ';') - break; - else if (!is_name_char (p)) - { - gchar ubuf[8]; - - set_unescape_error (ucontext->context, error, - p, ucontext->text_end, - G_MARKUP_ERROR_PARSE, - _("Character '%s' is not valid " - "inside an entity name"), - utf8_str (p, ubuf)); - break; - } - - p = g_utf8_next_char (p); - } - - if (ucontext->context->state != STATE_ERROR) - { - if (p != ucontext->text_end) - { - gint len = p - ucontext->entity_start; - - /* move to after semicolon */ - p = g_utf8_next_char (p); - ucontext->state = USTATE_INSIDE_TEXT; - - if (strncmp (ucontext->entity_start, "lt", len) == 0) - g_string_append_c (ucontext->str, '<'); - else if (strncmp (ucontext->entity_start, "gt", len) == 0) - g_string_append_c (ucontext->str, '>'); - else if (strncmp (ucontext->entity_start, "amp", len) == 0) - g_string_append_c (ucontext->str, '&'); - else if (strncmp (ucontext->entity_start, "quot", len) == 0) - g_string_append_c (ucontext->str, '"'); - else if (strncmp (ucontext->entity_start, "apos", len) == 0) - g_string_append_c (ucontext->str, '\''); - else - { - gchar *name; - - name = g_strndup (ucontext->entity_start, len); - set_unescape_error (ucontext->context, error, - p, ucontext->text_end, - G_MARKUP_ERROR_PARSE, - _("Entity name '%s' is not known"), - name); - g_free (name); - } - } - else - { - set_unescape_error (ucontext->context, error, - /* give line number of the & */ - ucontext->entity_start, ucontext->text_end, - G_MARKUP_ERROR_PARSE, - _("Entity did not end with a semicolon; " - "most likely you used an ampersand " - "character without intending to start " - "an entity - escape ampersand as &")); - } - } -#undef MAX_ENT_LEN - - return p; -} - -static const gchar* -unescape_text_state_after_charref_hash (UnescapeContext *ucontext, - const gchar *p, - GError **error) -{ - gboolean is_hex = FALSE; - const char *start; - - start = ucontext->entity_start; - - if (*p == 'x') - { - is_hex = TRUE; - p = g_utf8_next_char (p); - start = p; - } - - while (p != ucontext->text_end && *p != ';') - p = g_utf8_next_char (p); - - if (p != ucontext->text_end) - { - g_assert (*p == ';'); - - /* digit is between start and p */ - - if (start != p) - { - gulong l; - gchar *end = NULL; - - errno = 0; - if (is_hex) - l = strtoul (start, &end, 16); - else - l = strtoul (start, &end, 10); - - if (end != p || errno != 0) - { - set_unescape_error (ucontext->context, error, - start, ucontext->text_end, - G_MARKUP_ERROR_PARSE, - _("Failed to parse '%-.*s', which " - "should have been a digit " - "inside a character reference " - "(ê for example) - perhaps " - "the digit is too large"), - p - start, start); - } - else - { - /* characters XML 1.1 permits */ - if ((0 < l && l <= 0xD7FF) || - (0xE000 <= l && l <= 0xFFFD) || - (0x10000 <= l && l <= 0x10FFFF)) - { - gchar buf[8]; - g_string_append (ucontext->str, char_str (l, buf)); - } - else - { - set_unescape_error (ucontext->context, error, - start, ucontext->text_end, - G_MARKUP_ERROR_PARSE, - _("Character reference '%-.*s' does not " - "encode a permitted character"), - p - start, start); - } - } - - /* Move to next state */ - p = g_utf8_next_char (p); /* past semicolon */ - ucontext->state = USTATE_INSIDE_TEXT; - } - else - { - set_unescape_error (ucontext->context, error, - start, ucontext->text_end, - G_MARKUP_ERROR_PARSE, - _("Empty character reference; " - "should include a digit such as " - "dž")); - } - } - else - { - set_unescape_error (ucontext->context, error, - start, ucontext->text_end, - G_MARKUP_ERROR_PARSE, - _("Character reference did not end with a " - "semicolon; " - "most likely you used an ampersand " - "character without intending to start " - "an entity - escape ampersand as &")); - } - - return p; -} - -static gboolean -unescape_text (GMarkupParseContext *context, - const gchar *text, - const gchar *text_end, - GString **unescaped, - GError **error) -{ - UnescapeContext ucontext; - const gchar *p; - - ucontext.context = context; - ucontext.text = text; - ucontext.text_end = text_end; - ucontext.entity_start = NULL; - - ucontext.str = g_string_sized_new (text_end - text); - - ucontext.state = USTATE_INSIDE_TEXT; - p = text; - - while (p != text_end && context->state != STATE_ERROR) - { - g_assert (p < text_end); - - switch (ucontext.state) - { - case USTATE_INSIDE_TEXT: - { - p = unescape_text_state_inside_text (&ucontext, - p, - error); - } - break; - - case USTATE_AFTER_AMPERSAND: - { - p = unescape_text_state_after_ampersand (&ucontext, - p, - error); - } - break; - - - case USTATE_INSIDE_ENTITY_NAME: - { - p = unescape_text_state_inside_entity_name (&ucontext, - p, - error); - } - break; - - case USTATE_AFTER_CHARREF_HASH: - { - p = unescape_text_state_after_charref_hash (&ucontext, - p, - error); - } - break; - - default: - g_assert_not_reached (); - break; - } - } - - if (context->state != STATE_ERROR) - { - switch (ucontext.state) - { - case USTATE_INSIDE_TEXT: - break; - case USTATE_AFTER_AMPERSAND: - case USTATE_INSIDE_ENTITY_NAME: - set_unescape_error (context, error, - NULL, NULL, - G_MARKUP_ERROR_PARSE, - _("Unfinished entity reference")); - break; - case USTATE_AFTER_CHARREF_HASH: - set_unescape_error (context, error, - NULL, NULL, - G_MARKUP_ERROR_PARSE, - _("Unfinished character reference")); - break; - } - } - - if (context->state == STATE_ERROR) - { - g_string_free (ucontext.str, TRUE); - *unescaped = NULL; - return FALSE; - } - else - { - *unescaped = ucontext.str; - return TRUE; - } -} - -static inline gboolean -advance_char (GMarkupParseContext *context) -{ - context->iter = g_utf8_next_char (context->iter); - context->char_number += 1; - - if (context->iter == context->current_text_end) - { - return FALSE; - } - else if (*context->iter == '\n') - { - context->line_number += 1; - context->char_number = 1; - } - - return TRUE; -} - -static inline gboolean -xml_isspace (char c) -{ - return c == ' ' || c == '\t' || c == '\n' || c == '\r'; -} - -static void -skip_spaces (GMarkupParseContext *context) -{ - do - { - if (!xml_isspace (*context->iter)) - return; - } - while (advance_char (context)); -} - -static void -advance_to_name_end (GMarkupParseContext *context) -{ - do - { - if (!is_name_char (context->iter)) - return; - } - while (advance_char (context)); -} - -static void -add_to_partial (GMarkupParseContext *context, - const gchar *text_start, - const gchar *text_end) -{ - if (context->partial_chunk == NULL) - context->partial_chunk = g_string_sized_new (text_end - text_start); - - if (text_start != text_end) - g_string_append_len (context->partial_chunk, text_start, - text_end - text_start); - - /* Invariant here that partial_chunk exists */ -} - -static void -truncate_partial (GMarkupParseContext *context) -{ - if (context->partial_chunk != NULL) - { - context->partial_chunk = g_string_truncate (context->partial_chunk, 0); - } -} - -static const gchar* -current_element (GMarkupParseContext *context) -{ - return context->tag_stack->data; -} - -static void -pop_subparser_stack (GMarkupParseContext *context) -{ - GMarkupRecursionTracker *tracker; - - g_assert (context->subparser_stack); - - tracker = context->subparser_stack->data; - - context->awaiting_pop = TRUE; - context->held_user_data = context->user_data; - - context->user_data = tracker->prev_user_data; - context->parser = tracker->prev_parser; - context->subparser_element = tracker->prev_element; - g_slice_free (GMarkupRecursionTracker, tracker); - - context->subparser_stack = g_slist_delete_link (context->subparser_stack, - context->subparser_stack); -} - -static void -possibly_finish_subparser (GMarkupParseContext *context) -{ - if (current_element (context) == context->subparser_element) - pop_subparser_stack (context); -} - -static void -ensure_no_outstanding_subparser (GMarkupParseContext *context) -{ - if (context->awaiting_pop) - g_critical ("During the first end_element call after invoking a " - "subparser you must pop the subparser stack and handle " - "the freeing of the subparser user_data. This can be " - "done by calling the end function of the subparser. " - "Very probably, your program just leaked memory."); - - /* let valgrind watch the pointer disappear... */ - context->held_user_data = NULL; - context->awaiting_pop = FALSE; -} - -static const gchar* -current_attribute (GMarkupParseContext *context) -{ - g_assert (context->cur_attr >= 0); - return context->attr_names[context->cur_attr]; -} - -static void -find_current_text_end (GMarkupParseContext *context) -{ - /* This function must be safe (non-segfaulting) on invalid UTF8. - * It assumes the string starts with a character start - */ - const gchar *end = context->current_text + context->current_text_len; - const gchar *p; - const gchar *next; - - g_assert (context->current_text_len > 0); - - p = g_utf8_find_prev_char (context->current_text, end); - - g_assert (p != NULL); /* since current_text was a char start */ - - /* p is now the start of the last character or character portion. */ - g_assert (p != end); - next = g_utf8_next_char (p); /* this only touches *p, nothing beyond */ - - if (next == end) - { - /* whole character */ - context->current_text_end = end; - } - else - { - /* portion */ - context->leftover_char_portion = g_string_new_len (p, end - p); - context->current_text_len -= (end - p); - context->current_text_end = p; - } -} - - -static void -add_attribute (GMarkupParseContext *context, char *name) -{ - if (context->cur_attr + 2 >= context->alloc_attrs) - { - context->alloc_attrs += 5; /* silly magic number */ - context->attr_names = g_realloc (context->attr_names, sizeof(char*)*context->alloc_attrs); - context->attr_values = g_realloc (context->attr_values, sizeof(char*)*context->alloc_attrs); - } - context->cur_attr++; - context->attr_names[context->cur_attr] = name; - context->attr_values[context->cur_attr] = NULL; - context->attr_names[context->cur_attr+1] = NULL; - context->attr_values[context->cur_attr+1] = NULL; -} - -/** - * g_markup_parse_context_parse: - * @context: a #GMarkupParseContext - * @text: chunk of text to parse - * @text_len: length of @text in bytes - * @error: return location for a #GError - * - * Feed some data to the #GMarkupParseContext. The data need not - * be valid UTF-8; an error will be signaled if it's invalid. - * The data need not be an entire document; you can feed a document - * into the parser incrementally, via multiple calls to this function. - * Typically, as you receive data from a network connection or file, - * you feed each received chunk of data into this function, aborting - * the process if an error occurs. Once an error is reported, no further - * data may be fed to the #GMarkupParseContext; all errors are fatal. - * - * Return value: %FALSE if an error occurred, %TRUE on success - **/ -gboolean -g_markup_parse_context_parse (GMarkupParseContext *context, - const gchar *text, - gssize text_len, - GError **error) -{ - const gchar *first_invalid; - - g_return_val_if_fail (context != NULL, FALSE); - g_return_val_if_fail (text != NULL, FALSE); - g_return_val_if_fail (context->state != STATE_ERROR, FALSE); - g_return_val_if_fail (!context->parsing, FALSE); - - if (text_len < 0) - text_len = strlen (text); - - if (text_len == 0) - return TRUE; - - context->parsing = TRUE; - - if (context->leftover_char_portion) - { - const gchar *first_char; - - if ((*text & 0xc0) != 0x80) - first_char = text; - else - first_char = g_utf8_find_next_char (text, text + text_len); - - if (first_char) - { - /* leftover_char_portion was completed. Parse it. */ - GString *portion = context->leftover_char_portion; - - g_string_append_len (context->leftover_char_portion, - text, first_char - text); - - /* hacks to allow recursion */ - context->parsing = FALSE; - context->leftover_char_portion = NULL; - - if (!g_markup_parse_context_parse (context, - portion->str, portion->len, - error)) - { - g_assert (context->state == STATE_ERROR); - } - - g_string_free (portion, TRUE); - context->parsing = TRUE; - - /* Skip the fraction of char that was in this text */ - text_len -= (first_char - text); - text = first_char; - } - else - { - /* another little chunk of the leftover char; geez - * someone is inefficient. - */ - g_string_append_len (context->leftover_char_portion, - text, text_len); - - if (context->leftover_char_portion->len > 7) - { - /* The leftover char portion is too big to be - * a UTF-8 character - */ - set_error_literal (context, - error, - G_MARKUP_ERROR_BAD_UTF8, - _("Invalid UTF-8 encoded text - overlong sequence")); - } - - goto finished; - } - } - - context->current_text = text; - context->current_text_len = text_len; - context->iter = context->current_text; - context->start = context->iter; - - /* Nothing left after finishing the leftover char, or nothing - * passed in to begin with. - */ - if (context->current_text_len == 0) - goto finished; - - /* find_current_text_end () assumes the string starts at - * a character start, so we need to validate at least - * that much. It doesn't assume any following bytes - * are valid. - */ - if ((*context->current_text & 0xc0) == 0x80) /* not a char start */ - { - set_error_literal (context, - error, - G_MARKUP_ERROR_BAD_UTF8, - _("Invalid UTF-8 encoded text - not a start char")); - goto finished; - } - - /* Initialize context->current_text_end, possibly adjusting - * current_text_len, and add any leftover char portion - */ - find_current_text_end (context); - - /* Validate UTF8 (must be done after we find the end, since - * we could have a trailing incomplete char) - */ - if (!g_utf8_validate (context->current_text, - context->current_text_len, - &first_invalid)) - { - gint newlines = 0; - const gchar *p, *q; - gchar *current_text_dup; - - q = p = context->current_text; - while (p != first_invalid) - { - if (*p == '\n') - { - ++newlines; - q = p + 1; - context->char_number = 1; - } - ++p; - } - - context->line_number += newlines; - context->char_number += g_utf8_strlen (q, first_invalid - q); - - current_text_dup = g_strndup (context->current_text, context->current_text_len); - set_error (context, - error, - G_MARKUP_ERROR_BAD_UTF8, - _("Invalid UTF-8 encoded text - not valid '%s'"), - current_text_dup); - g_free (current_text_dup); - goto finished; - } - - while (context->iter != context->current_text_end) - { - switch (context->state) - { - case STATE_START: - /* Possible next state: AFTER_OPEN_ANGLE */ - - g_assert (context->tag_stack == NULL); - - /* whitespace is ignored outside of any elements */ - skip_spaces (context); - - if (context->iter != context->current_text_end) - { - if (*context->iter == '<') - { - /* Move after the open angle */ - advance_char (context); - - context->state = STATE_AFTER_OPEN_ANGLE; - - /* this could start a passthrough */ - context->start = context->iter; - - /* document is now non-empty */ - context->document_empty = FALSE; - } - else - { - set_error_literal (context, - error, - G_MARKUP_ERROR_PARSE, - _("Document must begin with an element (e.g. <book>)")); - } - } - break; - - case STATE_AFTER_OPEN_ANGLE: - /* Possible next states: INSIDE_OPEN_TAG_NAME, - * AFTER_CLOSE_TAG_SLASH, INSIDE_PASSTHROUGH - */ - if (*context->iter == '?' || - *context->iter == '!') - { - /* include < in the passthrough */ - const gchar *openangle = "<"; - add_to_partial (context, openangle, openangle + 1); - context->start = context->iter; - context->balance = 1; - context->state = STATE_INSIDE_PASSTHROUGH; - } - else if (*context->iter == '/') - { - /* move after it */ - advance_char (context); - - context->state = STATE_AFTER_CLOSE_TAG_SLASH; - } - else if (is_name_start_char (context->iter)) - { - context->state = STATE_INSIDE_OPEN_TAG_NAME; - - /* start of tag name */ - context->start = context->iter; - } - else - { - gchar buf[8]; - - set_error (context, - error, - G_MARKUP_ERROR_PARSE, - _("'%s' is not a valid character following " - "a '<' character; it may not begin an " - "element name"), - utf8_str (context->iter, buf)); - } - break; - - /* The AFTER_CLOSE_ANGLE state is actually sort of - * broken, because it doesn't correspond to a range - * of characters in the input stream as the others do, - * and thus makes things harder to conceptualize - */ - case STATE_AFTER_CLOSE_ANGLE: - /* Possible next states: INSIDE_TEXT, STATE_START */ - if (context->tag_stack == NULL) - { - context->start = NULL; - context->state = STATE_START; - } - else - { - context->start = context->iter; - context->state = STATE_INSIDE_TEXT; - } - break; - - case STATE_AFTER_ELISION_SLASH: - /* Possible next state: AFTER_CLOSE_ANGLE */ - - { - /* We need to pop the tag stack and call the end_element - * function, since this is the close tag - */ - GError *tmp_error = NULL; - - g_assert (context->tag_stack != NULL); - - possibly_finish_subparser (context); - - tmp_error = NULL; - if (context->parser->end_element) - (* context->parser->end_element) (context, - context->tag_stack->data, - context->user_data, - &tmp_error); - - ensure_no_outstanding_subparser (context); - - if (tmp_error) - { - mark_error (context, tmp_error); - g_propagate_error (error, tmp_error); - } - else - { - if (*context->iter == '>') - { - /* move after the close angle */ - advance_char (context); - context->state = STATE_AFTER_CLOSE_ANGLE; - } - else - { - gchar buf[8]; - - set_error (context, - error, - G_MARKUP_ERROR_PARSE, - _("Odd character '%s', expected a '>' character " - "to end the empty-element tag '%s'"), - utf8_str (context->iter, buf), - current_element (context)); - } - } - - g_free (context->tag_stack->data); - context->tag_stack = g_slist_delete_link (context->tag_stack, - context->tag_stack); - } - break; - - case STATE_INSIDE_OPEN_TAG_NAME: - /* Possible next states: BETWEEN_ATTRIBUTES */ - - /* if there's a partial chunk then it's the first part of the - * tag name. If there's a context->start then it's the start - * of the tag name in current_text, the partial chunk goes - * before that start though. - */ - advance_to_name_end (context); - - if (context->iter == context->current_text_end) - { - /* The name hasn't necessarily ended. Merge with - * partial chunk, leave state unchanged. - */ - add_to_partial (context, context->start, context->iter); - } - else - { - /* The name has ended. Combine it with the partial chunk - * if any; push it on the stack; enter next state. - */ - add_to_partial (context, context->start, context->iter); - context->tag_stack = - g_slist_prepend (context->tag_stack, - g_string_free (context->partial_chunk, - FALSE)); - - context->partial_chunk = NULL; - - context->state = STATE_BETWEEN_ATTRIBUTES; - context->start = NULL; - } - break; - - case STATE_INSIDE_ATTRIBUTE_NAME: - /* Possible next states: AFTER_ATTRIBUTE_NAME */ - - advance_to_name_end (context); - add_to_partial (context, context->start, context->iter); - - /* read the full name, if we enter the equals sign state - * then add the attribute to the list (without the value), - * otherwise store a partial chunk to be prepended later. - */ - if (context->iter != context->current_text_end) - context->state = STATE_AFTER_ATTRIBUTE_NAME; - break; - - case STATE_AFTER_ATTRIBUTE_NAME: - /* Possible next states: AFTER_ATTRIBUTE_EQUALS_SIGN */ - - skip_spaces (context); - - if (context->iter != context->current_text_end) - { - /* The name has ended. Combine it with the partial chunk - * if any; push it on the stack; enter next state. - */ - add_attribute (context, g_string_free (context->partial_chunk, FALSE)); - - context->partial_chunk = NULL; - context->start = NULL; - - if (*context->iter == '=') - { - advance_char (context); - context->state = STATE_AFTER_ATTRIBUTE_EQUALS_SIGN; - } - else - { - gchar buf[8]; - - set_error (context, - error, - G_MARKUP_ERROR_PARSE, - _("Odd character '%s', expected a '=' after " - "attribute name '%s' of element '%s'"), - utf8_str (context->iter, buf), - current_attribute (context), - current_element (context)); - - } - } - break; - - case STATE_BETWEEN_ATTRIBUTES: - /* Possible next states: AFTER_CLOSE_ANGLE, - * AFTER_ELISION_SLASH, INSIDE_ATTRIBUTE_NAME - */ - skip_spaces (context); - - if (context->iter != context->current_text_end) - { - if (*context->iter == '/') - { - advance_char (context); - context->state = STATE_AFTER_ELISION_SLASH; - } - else if (*context->iter == '>') - { - - advance_char (context); - context->state = STATE_AFTER_CLOSE_ANGLE; - } - else if (is_name_start_char (context->iter)) - { - context->state = STATE_INSIDE_ATTRIBUTE_NAME; - /* start of attribute name */ - context->start = context->iter; - } - else - { - gchar buf[8]; - - set_error (context, - error, - G_MARKUP_ERROR_PARSE, - _("Odd character '%s', expected a '>' or '/' " - "character to end the start tag of " - "element '%s', or optionally an attribute; " - "perhaps you used an invalid character in " - "an attribute name"), - utf8_str (context->iter, buf), - current_element (context)); - } - - /* If we're done with attributes, invoke - * the start_element callback - */ - if (context->state == STATE_AFTER_ELISION_SLASH || - context->state == STATE_AFTER_CLOSE_ANGLE) - { - const gchar *start_name; - /* Ugly, but the current code expects an empty array instead of NULL */ - const gchar *empty = NULL; - const gchar **attr_names = ∅ - const gchar **attr_values = ∅ - GError *tmp_error; - - /* Call user callback for element start */ - start_name = current_element (context); - - if (context->cur_attr >= 0) - { - attr_names = (const gchar**)context->attr_names; - attr_values = (const gchar**)context->attr_values; - } - - tmp_error = NULL; - if (context->parser->start_element) - (* context->parser->start_element) (context, - start_name, - (const gchar **)attr_names, - (const gchar **)attr_values, - context->user_data, - &tmp_error); - - /* Go ahead and free the attributes. */ - for (; context->cur_attr >= 0; context->cur_attr--) - { - int pos = context->cur_attr; - g_free (context->attr_names[pos]); - g_free (context->attr_values[pos]); - context->attr_names[pos] = context->attr_values[pos] = NULL; - } - g_assert (context->cur_attr == -1); - g_assert (context->attr_names == NULL || - context->attr_names[0] == NULL); - g_assert (context->attr_values == NULL || - context->attr_values[0] == NULL); - - if (tmp_error != NULL) - propagate_error (context, error, tmp_error); - } - } - break; - - case STATE_AFTER_ATTRIBUTE_EQUALS_SIGN: - /* Possible next state: INSIDE_ATTRIBUTE_VALUE_[SQ/DQ] */ - - skip_spaces (context); - - if (context->iter != context->current_text_end) - { - if (*context->iter == '"') - { - advance_char (context); - context->state = STATE_INSIDE_ATTRIBUTE_VALUE_DQ; - context->start = context->iter; - } - else if (*context->iter == '\'') - { - advance_char (context); - context->state = STATE_INSIDE_ATTRIBUTE_VALUE_SQ; - context->start = context->iter; - } - else - { - gchar buf[8]; - - set_error (context, - error, - G_MARKUP_ERROR_PARSE, - _("Odd character '%s', expected an open quote mark " - "after the equals sign when giving value for " - "attribute '%s' of element '%s'"), - utf8_str (context->iter, buf), - current_attribute (context), - current_element (context)); - } - } - break; - - case STATE_INSIDE_ATTRIBUTE_VALUE_SQ: - case STATE_INSIDE_ATTRIBUTE_VALUE_DQ: - /* Possible next states: BETWEEN_ATTRIBUTES */ - { - gchar delim; - - if (context->state == STATE_INSIDE_ATTRIBUTE_VALUE_SQ) - { - delim = '\''; - } - else - { - delim = '"'; - } - - do - { - if (*context->iter == delim) - break; - } - while (advance_char (context)); - } - if (context->iter == context->current_text_end) - { - /* The value hasn't necessarily ended. Merge with - * partial chunk, leave state unchanged. - */ - add_to_partial (context, context->start, context->iter); - } - else - { - /* The value has ended at the quote mark. Combine it - * with the partial chunk if any; set it for the current - * attribute. - */ - GString *unescaped; - - add_to_partial (context, context->start, context->iter); - - g_assert (context->cur_attr >= 0); - - if (unescape_text (context, - context->partial_chunk->str, - context->partial_chunk->str + - context->partial_chunk->len, - &unescaped, - error)) - { - /* success, advance past quote and set state. */ - context->attr_values[context->cur_attr] = g_string_free (unescaped, FALSE); - advance_char (context); - context->state = STATE_BETWEEN_ATTRIBUTES; - context->start = NULL; - } - - truncate_partial (context); - } - break; - - case STATE_INSIDE_TEXT: - /* Possible next states: AFTER_OPEN_ANGLE */ - do - { - if (*context->iter == '<') - break; - } - while (advance_char (context)); - - /* The text hasn't necessarily ended. Merge with - * partial chunk, leave state unchanged. - */ - - add_to_partial (context, context->start, context->iter); - - if (context->iter != context->current_text_end) - { - GString *unescaped = NULL; - - /* The text has ended at the open angle. Call the text - * callback. - */ - - if (unescape_text (context, - context->partial_chunk->str, - context->partial_chunk->str + - context->partial_chunk->len, - &unescaped, - error)) - { - GError *tmp_error = NULL; - - if (context->parser->text) - (*context->parser->text) (context, - unescaped->str, - unescaped->len, - context->user_data, - &tmp_error); - - g_string_free (unescaped, TRUE); - - if (tmp_error == NULL) - { - /* advance past open angle and set state. */ - advance_char (context); - context->state = STATE_AFTER_OPEN_ANGLE; - /* could begin a passthrough */ - context->start = context->iter; - } - else - propagate_error (context, error, tmp_error); - } - - truncate_partial (context); - } - break; - - case STATE_AFTER_CLOSE_TAG_SLASH: - /* Possible next state: INSIDE_CLOSE_TAG_NAME */ - if (is_name_start_char (context->iter)) - { - context->state = STATE_INSIDE_CLOSE_TAG_NAME; - - /* start of tag name */ - context->start = context->iter; - } - else - { - gchar buf[8]; - - set_error (context, - error, - G_MARKUP_ERROR_PARSE, - _("'%s' is not a valid character following " - "the characters '</'; '%s' may not begin an " - "element name"), - utf8_str (context->iter, buf), - utf8_str (context->iter, buf)); - } - break; - - case STATE_INSIDE_CLOSE_TAG_NAME: - /* Possible next state: AFTER_CLOSE_TAG_NAME */ - advance_to_name_end (context); - add_to_partial (context, context->start, context->iter); - - if (context->iter != context->current_text_end) - context->state = STATE_AFTER_CLOSE_TAG_NAME; - break; - - case STATE_AFTER_CLOSE_TAG_NAME: - /* Possible next state: AFTER_CLOSE_TAG_SLASH */ - - skip_spaces (context); - - if (context->iter != context->current_text_end) - { - gchar *close_name; - - /* The name has ended. Combine it with the partial chunk - * if any; check that it matches stack top and pop - * stack; invoke proper callback; enter next state. - */ - close_name = g_string_free (context->partial_chunk, FALSE); - context->partial_chunk = NULL; - - if (*context->iter != '>') - { - gchar buf[8]; - - set_error (context, - error, - G_MARKUP_ERROR_PARSE, - _("'%s' is not a valid character following " - "the close element name '%s'; the allowed " - "character is '>'"), - utf8_str (context->iter, buf), - close_name); - } - else if (context->tag_stack == NULL) - { - set_error (context, - error, - G_MARKUP_ERROR_PARSE, - _("Element '%s' was closed, no element " - "is currently open"), - close_name); - } - else if (strcmp (close_name, current_element (context)) != 0) - { - set_error (context, - error, - G_MARKUP_ERROR_PARSE, - _("Element '%s' was closed, but the currently " - "open element is '%s'"), - close_name, - current_element (context)); - } - else - { - GError *tmp_error; - advance_char (context); - context->state = STATE_AFTER_CLOSE_ANGLE; - context->start = NULL; - - possibly_finish_subparser (context); - - /* call the end_element callback */ - tmp_error = NULL; - if (context->parser->end_element) - (* context->parser->end_element) (context, - close_name, - context->user_data, - &tmp_error); - - ensure_no_outstanding_subparser (context); - - /* Pop the tag stack */ - g_free (context->tag_stack->data); - context->tag_stack = g_slist_delete_link (context->tag_stack, - context->tag_stack); - - if (tmp_error) - propagate_error (context, error, tmp_error); - } - - g_free (close_name); - } - break; - - case STATE_INSIDE_PASSTHROUGH: - /* Possible next state: AFTER_CLOSE_ANGLE */ - do - { - if (*context->iter == '<') - context->balance++; - if (*context->iter == '>') - { - gchar *str; - gsize len; - - context->balance--; - add_to_partial (context, context->start, context->iter); - context->start = context->iter; - - str = context->partial_chunk->str; - len = context->partial_chunk->len; - - if (str[1] == '?' && str[len - 1] == '?') - break; - if (strncmp (str, "<!--", 4) == 0 && - strcmp (str + len - 2, "--") == 0) - break; - if (strncmp (str, "<![CDATA[", 9) == 0 && - strcmp (str + len - 2, "]]") == 0) - break; - if (strncmp (str, "<!DOCTYPE", 9) == 0 && - context->balance == 0) - break; - } - } - while (advance_char (context)); - - if (context->iter == context->current_text_end) - { - /* The passthrough hasn't necessarily ended. Merge with - * partial chunk, leave state unchanged. - */ - add_to_partial (context, context->start, context->iter); - } - else - { - /* The passthrough has ended at the close angle. Combine - * it with the partial chunk if any. Call the passthrough - * callback. Note that the open/close angles are - * included in the text of the passthrough. - */ - GError *tmp_error = NULL; - - advance_char (context); /* advance past close angle */ - add_to_partial (context, context->start, context->iter); - - if (context->flags & G_MARKUP_TREAT_CDATA_AS_TEXT && - strncmp (context->partial_chunk->str, "<![CDATA[", 9) == 0) - { - if (context->parser->text) - (*context->parser->text) (context, - context->partial_chunk->str + 9, - context->partial_chunk->len - 12, - context->user_data, - &tmp_error); - } - else if (context->parser->passthrough) - (*context->parser->passthrough) (context, - context->partial_chunk->str, - context->partial_chunk->len, - context->user_data, - &tmp_error); - - truncate_partial (context); - - if (tmp_error == NULL) - { - context->state = STATE_AFTER_CLOSE_ANGLE; - context->start = context->iter; /* could begin text */ - } - else - propagate_error (context, error, tmp_error); - } - break; - - case STATE_ERROR: - goto finished; - break; - - default: - g_assert_not_reached (); - break; - } - } - - finished: - context->parsing = FALSE; - - return context->state != STATE_ERROR; -} - -/** - * g_markup_parse_context_end_parse: - * @context: a #GMarkupParseContext - * @error: return location for a #GError - * - * Signals to the #GMarkupParseContext that all data has been - * fed into the parse context with g_markup_parse_context_parse(). - * This function reports an error if the document isn't complete, - * for example if elements are still open. - * - * Return value: %TRUE on success, %FALSE if an error was set - **/ -gboolean -g_markup_parse_context_end_parse (GMarkupParseContext *context, - GError **error) -{ - g_return_val_if_fail (context != NULL, FALSE); - g_return_val_if_fail (!context->parsing, FALSE); - g_return_val_if_fail (context->state != STATE_ERROR, FALSE); - - if (context->partial_chunk != NULL) - { - g_string_free (context->partial_chunk, TRUE); - context->partial_chunk = NULL; - } - - if (context->document_empty) - { - set_error_literal (context, error, G_MARKUP_ERROR_EMPTY, - _("Document was empty or contained only whitespace")); - return FALSE; - } - - context->parsing = TRUE; - - switch (context->state) - { - case STATE_START: - /* Nothing to do */ - break; - - case STATE_AFTER_OPEN_ANGLE: - set_error_literal (context, error, G_MARKUP_ERROR_PARSE, - _("Document ended unexpectedly just after an open angle bracket '<'")); - break; - - case STATE_AFTER_CLOSE_ANGLE: - if (context->tag_stack != NULL) - { - /* Error message the same as for INSIDE_TEXT */ - set_error (context, error, G_MARKUP_ERROR_PARSE, - _("Document ended unexpectedly with elements still open - " - "'%s' was the last element opened"), - current_element (context)); - } - break; - - case STATE_AFTER_ELISION_SLASH: - set_error (context, error, G_MARKUP_ERROR_PARSE, - _("Document ended unexpectedly, expected to see a close angle " - "bracket ending the tag <%s/>"), current_element (context)); - break; - - case STATE_INSIDE_OPEN_TAG_NAME: - set_error_literal (context, error, G_MARKUP_ERROR_PARSE, - _("Document ended unexpectedly inside an element name")); - break; - - case STATE_INSIDE_ATTRIBUTE_NAME: - case STATE_AFTER_ATTRIBUTE_NAME: - set_error_literal (context, error, G_MARKUP_ERROR_PARSE, - _("Document ended unexpectedly inside an attribute name")); - break; - - case STATE_BETWEEN_ATTRIBUTES: - set_error_literal (context, error, G_MARKUP_ERROR_PARSE, - _("Document ended unexpectedly inside an element-opening " - "tag.")); - break; - - case STATE_AFTER_ATTRIBUTE_EQUALS_SIGN: - set_error_literal (context, error, G_MARKUP_ERROR_PARSE, - _("Document ended unexpectedly after the equals sign " - "following an attribute name; no attribute value")); - break; - - case STATE_INSIDE_ATTRIBUTE_VALUE_SQ: - case STATE_INSIDE_ATTRIBUTE_VALUE_DQ: - set_error_literal (context, error, G_MARKUP_ERROR_PARSE, - _("Document ended unexpectedly while inside an attribute " - "value")); - break; - - case STATE_INSIDE_TEXT: - g_assert (context->tag_stack != NULL); - set_error (context, error, G_MARKUP_ERROR_PARSE, - _("Document ended unexpectedly with elements still open - " - "'%s' was the last element opened"), - current_element (context)); - break; - - case STATE_AFTER_CLOSE_TAG_SLASH: - case STATE_INSIDE_CLOSE_TAG_NAME: - case STATE_AFTER_CLOSE_TAG_NAME: - set_error (context, error, G_MARKUP_ERROR_PARSE, - _("Document ended unexpectedly inside the close tag for " - "element '%s'"), current_element (context)); - break; - - case STATE_INSIDE_PASSTHROUGH: - set_error_literal (context, error, G_MARKUP_ERROR_PARSE, - _("Document ended unexpectedly inside a comment or " - "processing instruction")); - break; - - case STATE_ERROR: - default: - g_assert_not_reached (); - break; - } - - context->parsing = FALSE; - - return context->state != STATE_ERROR; -} - -/** - * g_markup_parse_context_get_element: - * @context: a #GMarkupParseContext - * @returns: the name of the currently open element, or %NULL - * - * Retrieves the name of the currently open element. - * - * If called from the start_element or end_element handlers this will - * give the element_name as passed to those functions. For the parent - * elements, see g_markup_parse_context_get_element_stack(). - * - * Since: 2.2 - **/ -G_CONST_RETURN gchar * -g_markup_parse_context_get_element (GMarkupParseContext *context) -{ - g_return_val_if_fail (context != NULL, NULL); - - if (context->tag_stack == NULL) - return NULL; - else - return current_element (context); -} - -/** - * g_markup_parse_context_get_element_stack: - * @context: a #GMarkupParseContext - * - * Retrieves the element stack from the internal state of the parser. - * The returned #GSList is a list of strings where the first item is - * the currently open tag (as would be returned by - * g_markup_parse_context_get_element()) and the next item is its - * immediate parent. - * - * This function is intended to be used in the start_element and - * end_element handlers where g_markup_parse_context_get_element() - * would merely return the name of the element that is being - * processed. - * - * Returns: the element stack, which must not be modified - * - * Since: 2.16 - **/ -G_CONST_RETURN GSList * -g_markup_parse_context_get_element_stack (GMarkupParseContext *context) -{ - g_return_val_if_fail (context != NULL, NULL); - - return context->tag_stack; -} - -/** - * g_markup_parse_context_get_position: - * @context: a #GMarkupParseContext - * @line_number: return location for a line number, or %NULL - * @char_number: return location for a char-on-line number, or %NULL - * - * Retrieves the current line number and the number of the character on - * that line. Intended for use in error messages; there are no strict - * semantics for what constitutes the "current" line number other than - * "the best number we could come up with for error messages." - * - **/ -void -g_markup_parse_context_get_position (GMarkupParseContext *context, - gint *line_number, - gint *char_number) -{ - g_return_if_fail (context != NULL); - - if (line_number) - *line_number = context->line_number; - - if (char_number) - *char_number = context->char_number; -} - -/** - * g_markup_parse_context_get_user_data: - * @context: a #GMarkupParseContext - * - * Returns the user_data associated with @context. This will either - * be the user_data that was provided to g_markup_parse_context_new() - * or to the most recent call of g_markup_parse_context_push(). - * - * Returns: the provided user_data. The returned data belongs to - * the markup context and will be freed when g_markup_context_free() - * is called. - * - * Since: 2.18 - **/ -gpointer -g_markup_parse_context_get_user_data (GMarkupParseContext *context) -{ - return context->user_data; -} - -/** - * g_markup_parse_context_push: - * @context: a #GMarkupParseContext - * @parser: a #GMarkupParser - * @user_data: user data to pass to #GMarkupParser functions - * - * Temporarily redirects markup data to a sub-parser. - * - * This function may only be called from the start_element handler of - * a #GMarkupParser. It must be matched with a corresponding call to - * g_markup_parse_context_pop() in the matching end_element handler - * (except in the case that the parser aborts due to an error). - * - * All tags, text and other data between the matching tags is - * redirected to the subparser given by @parser. @user_data is used - * as the user_data for that parser. @user_data is also passed to the - * error callback in the event that an error occurs. This includes - * errors that occur in subparsers of the subparser. - * - * The end tag matching the start tag for which this call was made is - * handled by the previous parser (which is given its own user_data) - * which is why g_markup_parse_context_pop() is provided to allow "one - * last access" to the @user_data provided to this function. In the - * case of error, the @user_data provided here is passed directly to - * the error callback of the subparser and g_markup_parse_context() - * should not be called. In either case, if @user_data was allocated - * then it ought to be freed from both of these locations. - * - * This function is not intended to be directly called by users - * interested in invoking subparsers. Instead, it is intended to be - * used by the subparsers themselves to implement a higher-level - * interface. - * - * As an example, see the following implementation of a simple - * parser that counts the number of tags encountered. - * - * |[ - * typedef struct - * { - * gint tag_count; - * } CounterData; - * - * static void - * counter_start_element (GMarkupParseContext *context, - * const gchar *element_name, - * const gchar **attribute_names, - * const gchar **attribute_values, - * gpointer user_data, - * GError **error) - * { - * CounterData *data = user_data; - * - * data->tag_count++; - * } - * - * static void - * counter_error (GMarkupParseContext *context, - * GError *error, - * gpointer user_data) - * { - * CounterData *data = user_data; - * - * g_slice_free (CounterData, data); - * } - * - * static GMarkupParser counter_subparser = - * { - * counter_start_element, - * NULL, - * NULL, - * NULL, - * counter_error - * }; - * ]| - * - * In order to allow this parser to be easily used as a subparser, the - * following interface is provided: - * - * |[ - * void - * start_counting (GMarkupParseContext *context) - * { - * CounterData *data = g_slice_new (CounterData); - * - * data->tag_count = 0; - * g_markup_parse_context_push (context, &counter_subparser, data); - * } - * - * gint - * end_counting (GMarkupParseContext *context) - * { - * CounterData *data = g_markup_parse_context_pop (context); - * int result; - * - * result = data->tag_count; - * g_slice_free (CounterData, data); - * - * return result; - * } - * ]| - * - * The subparser would then be used as follows: - * - * |[ - * static void start_element (context, element_name, ...) - * { - * if (strcmp (element_name, "count-these") == 0) - * start_counting (context); - * - * /* else, handle other tags... */ - * } - * - * static void end_element (context, element_name, ...) - * { - * if (strcmp (element_name, "count-these") == 0) - * g_print ("Counted %d tags\n", end_counting (context)); - * - * /* else, handle other tags... */ - * } - * ]| - * - * Since: 2.18 - **/ -void -g_markup_parse_context_push (GMarkupParseContext *context, - GMarkupParser *parser, - gpointer user_data) -{ - GMarkupRecursionTracker *tracker; - - tracker = g_slice_new (GMarkupRecursionTracker); - tracker->prev_element = context->subparser_element; - tracker->prev_parser = context->parser; - tracker->prev_user_data = context->user_data; - - context->subparser_element = current_element (context); - context->parser = parser; - context->user_data = user_data; - - context->subparser_stack = g_slist_prepend (context->subparser_stack, - tracker); -} - -/** - * g_markup_parse_context_pop: - * @context: a #GMarkupParseContext - * - * Completes the process of a temporary sub-parser redirection. - * - * This function exists to collect the user_data allocated by a - * matching call to g_markup_parse_context_push(). It must be called - * in the end_element handler corresponding to the start_element - * handler during which g_markup_parse_context_push() was called. You - * must not call this function from the error callback -- the - * @user_data is provided directly to the callback in that case. - * - * This function is not intended to be directly called by users - * interested in invoking subparsers. Instead, it is intended to be - * used by the subparsers themselves to implement a higher-level - * interface. - * - * Returns: the user_data passed to g_markup_parse_context_push(). - * - * Since: 2.18 - **/ -gpointer -g_markup_parse_context_pop (GMarkupParseContext *context) -{ - gpointer user_data; - - if (!context->awaiting_pop) - possibly_finish_subparser (context); - - g_assert (context->awaiting_pop); - - context->awaiting_pop = FALSE; - - /* valgrind friendliness */ - user_data = context->held_user_data; - context->held_user_data = NULL; - - return user_data; -} - -static void -append_escaped_text (GString *str, - const gchar *text, - gssize length) -{ - const gchar *p; - const gchar *end; - gunichar c; - - p = text; - end = text + length; - - while (p != end) - { - const gchar *next; - next = g_utf8_next_char (p); - - switch (*p) - { - case '&': - g_string_append (str, "&"); - break; - - case '<': - g_string_append (str, "<"); - break; - - case '>': - g_string_append (str, ">"); - break; - - case '\'': - g_string_append (str, "'"); - break; - - case '"': - g_string_append (str, """); - break; - - default: - c = g_utf8_get_char (p); - if ((0x1 <= c && c <= 0x8) || - (0xb <= c && c <= 0xc) || - (0xe <= c && c <= 0x1f) || - (0x7f <= c && c <= 0x84) || - (0x86 <= c && c <= 0x9f)) - g_string_append_printf (str, "&#x%x;", c); - else - g_string_append_len (str, p, next - p); - break; - } - - p = next; - } -} - -/** - * g_markup_escape_text: - * @text: some valid UTF-8 text - * @length: length of @text in bytes, or -1 if the text is nul-terminated - * - * Escapes text so that the markup parser will parse it verbatim. - * Less than, greater than, ampersand, etc. are replaced with the - * corresponding entities. This function would typically be used - * when writing out a file to be parsed with the markup parser. - * - * Note that this function doesn't protect whitespace and line endings - * from being processed according to the XML rules for normalization - * of line endings and attribute values. - * - * Note also that if given a string containing them, this function - * will produce character references in the range of &#x1; .. - * &#x1f; for all control sequences except for tabstop, newline - * and carriage return. The character references in this range are - * not valid XML 1.0, but they are valid XML 1.1 and will be accepted - * by the GMarkup parser. - * - * Return value: a newly allocated string with the escaped text - **/ -gchar* -g_markup_escape_text (const gchar *text, - gssize length) -{ - GString *str; - - g_return_val_if_fail (text != NULL, NULL); - - if (length < 0) - length = strlen (text); - - /* prealloc at least as long as original text */ - str = g_string_sized_new (length); - append_escaped_text (str, text, length); - - return g_string_free (str, FALSE); -} - -/** - * find_conversion: - * @format: a printf-style format string - * @after: location to store a pointer to the character after - * the returned conversion. On a %NULL return, returns the - * pointer to the trailing NUL in the string - * - * Find the next conversion in a printf-style format string. - * Partially based on code from printf-parser.c, - * Copyright (C) 1999-2000, 2002-2003 Free Software Foundation, Inc. - * - * Return value: pointer to the next conversion in @format, - * or %NULL, if none. - **/ -static const char * -find_conversion (const char *format, - const char **after) -{ - const char *start = format; - const char *cp; - - while (*start != '\0' && *start != '%') - start++; - - if (*start == '\0') - { - *after = start; - return NULL; - } - - cp = start + 1; - - if (*cp == '\0') - { - *after = cp; - return NULL; - } - - /* Test for positional argument. */ - if (*cp >= '0' && *cp <= '9') - { - const char *np; - - for (np = cp; *np >= '0' && *np <= '9'; np++) - ; - if (*np == '$') - cp = np + 1; - } - - /* Skip the flags. */ - for (;;) - { - if (*cp == '\'' || - *cp == '-' || - *cp == '+' || - *cp == ' ' || - *cp == '#' || - *cp == '0') - cp++; - else - break; - } - - /* Skip the field width. */ - if (*cp == '*') - { - cp++; - - /* Test for positional argument. */ - if (*cp >= '0' && *cp <= '9') - { - const char *np; - - for (np = cp; *np >= '0' && *np <= '9'; np++) - ; - if (*np == '$') - cp = np + 1; - } - } - else - { - for (; *cp >= '0' && *cp <= '9'; cp++) - ; - } - - /* Skip the precision. */ - if (*cp == '.') - { - cp++; - if (*cp == '*') - { - /* Test for positional argument. */ - if (*cp >= '0' && *cp <= '9') - { - const char *np; - - for (np = cp; *np >= '0' && *np <= '9'; np++) - ; - if (*np == '$') - cp = np + 1; - } - } - else - { - for (; *cp >= '0' && *cp <= '9'; cp++) - ; - } - } - - /* Skip argument type/size specifiers. */ - while (*cp == 'h' || - *cp == 'L' || - *cp == 'l' || - *cp == 'j' || - *cp == 'z' || - *cp == 'Z' || - *cp == 't') - cp++; - - /* Skip the conversion character. */ - cp++; - - *after = cp; - return start; -} - -/** - * g_markup_vprintf_escaped: - * @format: printf() style format string - * @args: variable argument list, similar to vprintf() - * - * Formats the data in @args according to @format, escaping - * all string and character arguments in the fashion - * of g_markup_escape_text(). See g_markup_printf_escaped(). - * - * Return value: newly allocated result from formatting - * operation. Free with g_free(). - * - * Since: 2.4 - **/ -char * -g_markup_vprintf_escaped (const char *format, - va_list args) -{ - GString *format1; - GString *format2; - GString *result = NULL; - gchar *output1 = NULL; - gchar *output2 = NULL; - const char *p, *op1, *op2; - va_list args2; - - /* The technique here, is that we make two format strings that - * have the identical conversions in the identical order to the - * original strings, but differ in the text in-between. We - * then use the normal g_strdup_vprintf() to format the arguments - * with the two new format strings. By comparing the results, - * we can figure out what segments of the output come from - * the the original format string, and what from the arguments, - * and thus know what portions of the string to escape. - * - * For instance, for: - * - * g_markup_printf_escaped ("%s ate %d apples", "Susan & Fred", 5); - * - * We form the two format strings "%sX%dX" and %sY%sY". The results - * of formatting with those two strings are - * - * "%sX%dX" => "Susan & FredX5X" - * "%sY%dY" => "Susan & FredY5Y" - * - * To find the span of the first argument, we find the first position - * where the two arguments differ, which tells us that the first - * argument formatted to "Susan & Fred". We then escape that - * to "Susan & Fred" and join up with the intermediate portions - * of the format string and the second argument to get - * "Susan & Fred ate 5 apples". - */ - - /* Create the two modified format strings - */ - format1 = g_string_new (NULL); - format2 = g_string_new (NULL); - p = format; - while (TRUE) - { - const char *after; - const char *conv = find_conversion (p, &after); - if (!conv) - break; - - g_string_append_len (format1, conv, after - conv); - g_string_append_c (format1, 'X'); - g_string_append_len (format2, conv, after - conv); - g_string_append_c (format2, 'Y'); - - p = after; - } - - /* Use them to format the arguments - */ - G_VA_COPY (args2, args); - - output1 = g_strdup_vprintf (format1->str, args); - if (!output1) - { - va_end (args2); - goto cleanup; - } - - output2 = g_strdup_vprintf (format2->str, args2); - va_end (args2); - if (!output2) - goto cleanup; - - result = g_string_new (NULL); - - /* Iterate through the original format string again, - * copying the non-conversion portions and the escaped - * converted arguments to the output string. - */ - op1 = output1; - op2 = output2; - p = format; - while (TRUE) - { - const char *after; - const char *output_start; - const char *conv = find_conversion (p, &after); - char *escaped; - - if (!conv) /* The end, after points to the trailing \0 */ - { - g_string_append_len (result, p, after - p); - break; - } - - g_string_append_len (result, p, conv - p); - output_start = op1; - while (*op1 == *op2) - { - op1++; - op2++; - } - - escaped = g_markup_escape_text (output_start, op1 - output_start); - g_string_append (result, escaped); - g_free (escaped); - - p = after; - op1++; - op2++; - } - - cleanup: - g_string_free (format1, TRUE); - g_string_free (format2, TRUE); - g_free (output1); - g_free (output2); - - if (result) - return g_string_free (result, FALSE); - else - return NULL; -} - -/** - * g_markup_printf_escaped: - * @format: printf() style format string - * @Varargs: the arguments to insert in the format string - * - * Formats arguments according to @format, escaping - * all string and character arguments in the fashion - * of g_markup_escape_text(). This is useful when you - * want to insert literal strings into XML-style markup - * output, without having to worry that the strings - * might themselves contain markup. - * - * |[ - * const char *store = "Fortnum & Mason"; - * const char *item = "Tea"; - * char *output; - * - * output = g_markup_printf_escaped ("<purchase>" - * "<store>%s</store>" - * "<item>%s</item>" - * "</purchase>", - * store, item); - * ]| - * - * Return value: newly allocated result from formatting - * operation. Free with g_free(). - * - * Since: 2.4 - **/ -char * -g_markup_printf_escaped (const char *format, ...) -{ - char *result; - va_list args; - - va_start (args, format); - result = g_markup_vprintf_escaped (format, args); - va_end (args); - - return result; -} - -static gboolean -g_markup_parse_boolean (const char *string, - gboolean *value) -{ - char const * const falses[] = { "false", "f", "no", "n", "0" }; - char const * const trues[] = { "true", "t", "yes", "y", "1" }; - int i; - - for (i = 0; i < G_N_ELEMENTS (falses); i++) - { - if (g_ascii_strcasecmp (string, falses[i]) == 0) - { - if (value != NULL) - *value = FALSE; - - return TRUE; - } - } - - for (i = 0; i < G_N_ELEMENTS (trues); i++) - { - if (g_ascii_strcasecmp (string, trues[i]) == 0) - { - if (value != NULL) - *value = TRUE; - - return TRUE; - } - } - - return FALSE; -} - -/** - * GMarkupCollectType: - * @G_MARKUP_COLLECT_INVALID: used to terminate the list of attributes - * to collect. - * @G_MARKUP_COLLECT_STRING: collect the string pointer directly from - * the attribute_values[] array. Expects a - * parameter of type (const char **). If - * %G_MARKUP_COLLECT_OPTIONAL is specified - * and the attribute isn't present then the - * pointer will be set to %NULL. - * @G_MARKUP_COLLECT_STRDUP: as with %G_MARKUP_COLLECT_STRING, but - * expects a paramter of type (char **) and - * g_strdup()s the returned pointer. The - * pointer must be freed with g_free(). - * @G_MARKUP_COLLECT_BOOLEAN: expects a parameter of type (gboolean *) - * and parses the attribute value as a - * boolean. Sets %FALSE if the attribute - * isn't present. Valid boolean values - * consist of (case insensitive) "false", - * "f", "no", "n", "0" and "true", "t", - * "yes", "y", "1". - * @G_MARKUP_COLLECT_TRISTATE: as with %G_MARKUP_COLLECT_BOOLEAN, but - * in the case of a missing attribute a - * value is set that compares equal to - * neither %FALSE nor %TRUE. - * G_MARKUP_COLLECT_OPTIONAL is implied. - * @G_MARKUP_COLLECT_OPTIONAL: can be bitwise ORed with the other - * fields. If present, allows the - * attribute not to appear. A default - * value is set depending on what value - * type is used. - * - * A mixed enumerated type and flags field. You must specify one type - * (string, strdup, boolean, tristate). Additionally, you may - * optionally bitwise OR the type with the flag - * %G_MARKUP_COLLECT_OPTIONAL. - * - * It is likely that this enum will be extended in the future to - * support other types. - **/ - -/** - * g_markup_collect_attributes: - * @element_name: the current tag name - * @attribute_names: the attribute names - * @attribute_values: the attribute values - * @error: a pointer to a #GError or %NULL - * @first_type: the #GMarkupCollectType of the - * first attribute - * @first_attr: the name of the first attribute - * @...: a pointer to the storage location of the - * first attribute (or %NULL), followed by - * more types names and pointers, ending - * with %G_MARKUP_COLLECT_INVALID. - * - * Collects the attributes of the element from the - * data passed to the #GMarkupParser start_element - * function, dealing with common error conditions - * and supporting boolean values. - * - * This utility function is not required to write - * a parser but can save a lot of typing. - * - * The @element_name, @attribute_names, - * @attribute_values and @error parameters passed - * to the start_element callback should be passed - * unmodified to this function. - * - * Following these arguments is a list of - * "supported" attributes to collect. It is an - * error to specify multiple attributes with the - * same name. If any attribute not in the list - * appears in the @attribute_names array then an - * unknown attribute error will result. - * - * The #GMarkupCollectType field allows specifying - * the type of collection to perform and if a - * given attribute must appear or is optional. - * - * The attribute name is simply the name of the - * attribute to collect. - * - * The pointer should be of the appropriate type - * (see the descriptions under - * #GMarkupCollectType) and may be %NULL in case a - * particular attribute is to be allowed but - * ignored. - * - * This function deals with issuing errors for missing attributes - * (of type %G_MARKUP_ERROR_MISSING_ATTRIBUTE), unknown attributes - * (of type %G_MARKUP_ERROR_UNKNOWN_ATTRIBUTE) and duplicate - * attributes (of type %G_MARKUP_ERROR_INVALID_CONTENT) as well - * as parse errors for boolean-valued attributes (again of type - * %G_MARKUP_ERROR_INVALID_CONTENT). In all of these cases %FALSE - * will be returned and @error will be set as appropriate. - * - * Return value: %TRUE if successful - * - * Since: 2.16 - **/ -gboolean -g_markup_collect_attributes (const gchar *element_name, - const gchar **attribute_names, - const gchar **attribute_values, - GError **error, - GMarkupCollectType first_type, - const gchar *first_attr, - ...) -{ - GMarkupCollectType type; - const gchar *attr; - guint64 collected; - int written; - va_list ap; - int i; - - type = first_type; - attr = first_attr; - collected = 0; - written = 0; - - va_start (ap, first_attr); - while (type != G_MARKUP_COLLECT_INVALID) - { - gboolean mandatory; - const gchar *value; - - mandatory = !(type & G_MARKUP_COLLECT_OPTIONAL); - type &= (G_MARKUP_COLLECT_OPTIONAL - 1); - - /* tristate records a value != TRUE and != FALSE - * for the case where the attribute is missing - */ - if (type == G_MARKUP_COLLECT_TRISTATE) - mandatory = FALSE; - - for (i = 0; attribute_names[i]; i++) - if (i >= 40 || !(collected & (G_GUINT64_CONSTANT(1) << i))) - if (!strcmp (attribute_names[i], attr)) - break; - - /* ISO C99 only promises that the user can pass up to 127 arguments. - * Subtracting the first 4 arguments plus the final NULL and dividing - * by 3 arguments per collected attribute, we are left with a maximum - * number of supported attributes of (127 - 5) / 3 = 40. - * - * In reality, nobody is ever going to call us with anywhere close to - * 40 attributes to collect, so it is safe to assume that if i > 40 - * then the user has given some invalid or repeated arguments. These - * problems will be caught and reported at the end of the function. - * - * We know at this point that we have an error, but we don't know - * what error it is, so just continue... - */ - if (i < 40) - collected |= (G_GUINT64_CONSTANT(1) << i); - - value = attribute_values[i]; - - if (value == NULL && mandatory) - { - g_set_error (error, G_MARKUP_ERROR, - G_MARKUP_ERROR_MISSING_ATTRIBUTE, - "element '%s' requires attribute '%s'", - element_name, attr); - - va_end (ap); - goto failure; - } - - switch (type) - { - case G_MARKUP_COLLECT_STRING: - { - const char **str_ptr; - - str_ptr = va_arg (ap, const char **); - - if (str_ptr != NULL) - *str_ptr = value; - } - break; - - case G_MARKUP_COLLECT_STRDUP: - { - char **str_ptr; - - str_ptr = va_arg (ap, char **); - - if (str_ptr != NULL) - *str_ptr = g_strdup (value); - } - break; - - case G_MARKUP_COLLECT_BOOLEAN: - case G_MARKUP_COLLECT_TRISTATE: - if (value == NULL) - { - gboolean *bool_ptr; - - bool_ptr = va_arg (ap, gboolean *); - - if (bool_ptr != NULL) - { - if (type == G_MARKUP_COLLECT_TRISTATE) - /* constructivists rejoice! - * neither false nor true... - */ - *bool_ptr = -1; - - else /* G_MARKUP_COLLECT_BOOLEAN */ - *bool_ptr = FALSE; - } - } - else - { - if (!g_markup_parse_boolean (value, va_arg (ap, gboolean *))) - { - g_set_error (error, G_MARKUP_ERROR, - G_MARKUP_ERROR_INVALID_CONTENT, - "element '%s', attribute '%s', value '%s' " - "cannot be parsed as a boolean value", - element_name, attr, value); - - va_end (ap); - goto failure; - } - } - - break; - - default: - g_assert_not_reached (); - } - - type = va_arg (ap, GMarkupCollectType); - attr = va_arg (ap, const char *); - written++; - } - va_end (ap); - - /* ensure we collected all the arguments */ - for (i = 0; attribute_names[i]; i++) - if ((collected & (G_GUINT64_CONSTANT(1) << i)) == 0) - { - /* attribute not collected: could be caused by two things. - * - * 1) it doesn't exist in our list of attributes - * 2) it existed but was matched by a duplicate attribute earlier - * - * find out. - */ - int j; - - for (j = 0; j < i; j++) - if (strcmp (attribute_names[i], attribute_names[j]) == 0) - /* duplicate! */ - break; - - /* j is now the first occurrence of attribute_names[i] */ - if (i == j) - g_set_error (error, G_MARKUP_ERROR, - G_MARKUP_ERROR_UNKNOWN_ATTRIBUTE, - "attribute '%s' invalid for element '%s'", - attribute_names[i], element_name); - else - g_set_error (error, G_MARKUP_ERROR, - G_MARKUP_ERROR_INVALID_CONTENT, - "attribute '%s' given multiple times for element '%s'", - attribute_names[i], element_name); - - goto failure; - } - - return TRUE; - -failure: - /* replay the above to free allocations */ - type = first_type; - attr = first_attr; - - va_start (ap, first_attr); - while (type != G_MARKUP_COLLECT_INVALID) - { - gpointer ptr; - - ptr = va_arg (ap, gpointer); - - if (ptr == NULL) - continue; - - switch (type & (G_MARKUP_COLLECT_OPTIONAL - 1)) - { - case G_MARKUP_COLLECT_STRDUP: - if (written) - g_free (*(char **) ptr); - - case G_MARKUP_COLLECT_STRING: - *(char **) ptr = NULL; - break; - - case G_MARKUP_COLLECT_BOOLEAN: - *(gboolean *) ptr = FALSE; - break; - - case G_MARKUP_COLLECT_TRISTATE: - *(gboolean *) ptr = -1; - break; - } - - type = va_arg (ap, GMarkupCollectType); - attr = va_arg (ap, const char *); - - if (written) - written--; - } - va_end (ap); - - return FALSE; -} - -#define __G_MARKUP_C__ -#include "galiasdef.c" |