diff options
Diffstat (limited to 'lib/jsoncpp/src/jsontestrunner/main.cpp')
| -rw-r--r-- | lib/jsoncpp/src/jsontestrunner/main.cpp | 233 |
1 files changed, 233 insertions, 0 deletions
diff --git a/lib/jsoncpp/src/jsontestrunner/main.cpp b/lib/jsoncpp/src/jsontestrunner/main.cpp new file mode 100644 index 0000000000..231ee0c44d --- /dev/null +++ b/lib/jsoncpp/src/jsontestrunner/main.cpp @@ -0,0 +1,233 @@ +#include <json/json.h> +#include <algorithm> // sort +#include <stdio.h> + +#if defined(_MSC_VER) && _MSC_VER >= 1310 +# pragma warning( disable: 4996 ) // disable fopen deprecation warning +#endif + +static std::string +readInputTestFile( const char *path ) +{ + FILE *file = fopen( path, "rb" ); + if ( !file ) + return std::string(""); + fseek( file, 0, SEEK_END ); + long size = ftell( file ); + fseek( file, 0, SEEK_SET ); + std::string text; + char *buffer = new char[size+1]; + buffer[size] = 0; + if ( fread( buffer, 1, size, file ) == (unsigned long)size ) + text = buffer; + fclose( file ); + delete[] buffer; + return text; +} + + +static void +printValueTree( FILE *fout, Json::Value &value, const std::string &path = "." ) +{ + switch ( value.type() ) + { + case Json::nullValue: + fprintf( fout, "%s=null\n", path.c_str() ); + break; + case Json::intValue: + fprintf( fout, "%s=%d\n", path.c_str(), value.asInt() ); + break; + case Json::uintValue: + fprintf( fout, "%s=%u\n", path.c_str(), value.asUInt() ); + break; + case Json::realValue: + fprintf( fout, "%s=%.16g\n", path.c_str(), value.asDouble() ); + break; + case Json::stringValue: + fprintf( fout, "%s=\"%s\"\n", path.c_str(), value.asString().c_str() ); + break; + case Json::booleanValue: + fprintf( fout, "%s=%s\n", path.c_str(), value.asBool() ? "true" : "false" ); + break; + case Json::arrayValue: + { + fprintf( fout, "%s=[]\n", path.c_str() ); + int size = value.size(); + for ( int index =0; index < size; ++index ) + { + static char buffer[16]; + sprintf( buffer, "[%d]", index ); + printValueTree( fout, value[index], path + buffer ); + } + } + break; + case Json::objectValue: + { + fprintf( fout, "%s={}\n", path.c_str() ); + Json::Value::Members members( value.getMemberNames() ); + std::sort( members.begin(), members.end() ); + std::string suffix = *(path.end()-1) == '.' ? "" : "."; + for ( Json::Value::Members::iterator it = members.begin(); + it != members.end(); + ++it ) + { + const std::string &name = *it; + printValueTree( fout, value[name], path + suffix + name ); + } + } + break; + default: + break; + } +} + + +static int +parseAndSaveValueTree( const std::string &input, + const std::string &actual, + const std::string &kind, + Json::Value &root, + const Json::Features &features, + bool parseOnly ) +{ + Json::Reader reader( features ); + bool parsingSuccessful = reader.parse( input, root ); + if ( !parsingSuccessful ) + { + printf( "Failed to parse %s file: \n%s\n", + kind.c_str(), + reader.getFormatedErrorMessages().c_str() ); + return 1; + } + + if ( !parseOnly ) + { + FILE *factual = fopen( actual.c_str(), "wt" ); + if ( !factual ) + { + printf( "Failed to create %s actual file.\n", kind.c_str() ); + return 2; + } + printValueTree( factual, root ); + fclose( factual ); + } + return 0; +} + + +static int +rewriteValueTree( const std::string &rewritePath, + const Json::Value &root, + std::string &rewrite ) +{ + //Json::FastWriter writer; + //writer.enableYAMLCompatibility(); + Json::StyledWriter writer; + rewrite = writer.write( root ); + FILE *fout = fopen( rewritePath.c_str(), "wt" ); + if ( !fout ) + { + printf( "Failed to create rewrite file: %s\n", rewritePath.c_str() ); + return 2; + } + fprintf( fout, "%s\n", rewrite.c_str() ); + fclose( fout ); + return 0; +} + + +static std::string +removeSuffix( const std::string &path, + const std::string &extension ) +{ + if ( extension.length() >= path.length() ) + return std::string(""); + std::string suffix = path.substr( path.length() - extension.length() ); + if ( suffix != extension ) + return std::string(""); + return path.substr( 0, path.length() - extension.length() ); +} + +static int +printUsage( const char *argv[] ) +{ + printf( "Usage: %s [--strict] input-json-file", argv[0] ); + return 3; +} + + +int +parseCommandLine( int argc, const char *argv[], + Json::Features &features, std::string &path, + bool &parseOnly ) +{ + parseOnly = false; + if ( argc < 2 ) + { + return printUsage( argv ); + } + + int index = 1; + if ( std::string(argv[1]) == "--json-checker" ) + { + features = Json::Features::strictMode(); + parseOnly = true; + ++index; + } + + if ( index == argc || index + 1 < argc ) + { + return printUsage( argv ); + } + + path = argv[index]; + return 0; +} + + +int main( int argc, const char *argv[] ) +{ + std::string path; + Json::Features features; + bool parseOnly; + int exitCode = parseCommandLine( argc, argv, features, path, parseOnly ); + if ( exitCode != 0 ) + { + return exitCode; + } + + std::string input = readInputTestFile( path.c_str() ); + if ( input.empty() ) + { + printf( "Failed to read input or empty input: %s\n", path.c_str() ); + return 3; + } + + std::string basePath = removeSuffix( argv[1], ".json" ); + if ( !parseOnly && basePath.empty() ) + { + printf( "Bad input path. Path does not end with '.expected':\n%s\n", path.c_str() ); + return 3; + } + + std::string actualPath = basePath + ".actual"; + std::string rewritePath = basePath + ".rewrite"; + std::string rewriteActualPath = basePath + ".actual-rewrite"; + + Json::Value root; + exitCode = parseAndSaveValueTree( input, actualPath, "input", root, features, parseOnly ); + if ( exitCode == 0 && !parseOnly ) + { + std::string rewrite; + exitCode = rewriteValueTree( rewritePath, root, rewrite ); + if ( exitCode == 0 ) + { + Json::Value rewriteRoot; + exitCode = parseAndSaveValueTree( rewrite, rewriteActualPath, + "rewrite", rewriteRoot, features, parseOnly ); + } + } + + return exitCode; +} + |