From 46dde9368f75013b2383c24d4c8a11763ac8e31e Mon Sep 17 00:00:00 2001
From: Christian Grothoff <christian@grothoff.org>
Date: Wed, 19 Aug 2020 18:19:00 +0200
Subject: implement i18n lookup logic for #6458

---
 src/mhd/mhd_legal.c | 54 ++++-------------------------------------------------
 1 file changed, 4 insertions(+), 50 deletions(-)

(limited to 'src/mhd/mhd_legal.c')

diff --git a/src/mhd/mhd_legal.c b/src/mhd/mhd_legal.c
index 7de189cce..0f2433c2c 100644
--- a/src/mhd/mhd_legal.c
+++ b/src/mhd/mhd_legal.c
@@ -154,52 +154,6 @@ xmime_matches (const char *accept_pattern,
 }
 
 
-/**
- * Check if @a lang matches the @a language_pattern, and if so with
- * which preference.
- * See also: https://tools.ietf.org/html/rfc7231#section-5.3.1
- *
- * @param language_pattern a language preferences string
- *        like "fr-CH, fr;q=0.9, en;q=0.8, *;q=0.1"
- * @param lang the 2-digit language to match
- * @return q-weight given for @a lang in @a language_pattern, 1.0 if no weights are given;
- *         0 if @a lang is not in @a language_pattern
- */
-double
-TALER_MHD_language_matches (const char *language_pattern,
-                            const char *lang)
-{
-  char *p = GNUNET_strdup (language_pattern);
-  char *sptr;
-  double r = 0.0;
-
-  for (char *tok = strtok_r (p, ",", &sptr);
-       NULL != tok;
-       tok = strtok_r (NULL, ",", &sptr))
-  {
-    char *sptr2;
-    char *lp = strtok_r (tok, ";", &sptr2);
-    char *qp = strtok_r (NULL, ";", &sptr2);
-    double q = 1.0;
-
-    while (isspace ((int) *lp))
-      lp++;
-    if (NULL != qp)
-      while (isspace ((int) *qp))
-        qp++;
-    GNUNET_break_op ( (NULL == qp) ||
-                      (1 == sscanf (qp,
-                                    "q=%lf",
-                                    &q)) );
-    if (0 == strcasecmp (lang,
-                         lp))
-      r = GNUNET_MAX (r, q);
-  }
-  GNUNET_free (p);
-  return r;
-}
-
-
 /**
  * Generate a response with a legal document in the format and language of the
  * user's choosing.
@@ -271,10 +225,10 @@ TALER_MHD_reply_legal (struct MHD_Connection *conn,
         if ( (NULL == t) ||
              (! xmime_matches (mime,
                                t->mime_type)) ||
-             (TALER_MHD_language_matches (lang,
-                                          p->language) >
-              TALER_MHD_language_matches (lang,
-                                          t->language) ) )
+             (TALER_language_matches (lang,
+                                      p->language) >
+              TALER_language_matches (lang,
+                                      t->language) ) )
           t = p;
       }
     }
-- 
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