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/* Copyright (c) 1998, 1999 Thai Open Source Software Center Ltd |
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See the file COPYING for copying permission. |
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*/ |
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|
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#include <stdio.h> |
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#include <stdlib.h> |
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#include <stddef.h> |
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#include <string.h> |
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#include <fcntl.h> |
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|
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#ifdef WIN32 |
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#include "winconfig.h" |
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#elif defined(MACOS_CLASSIC) |
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#include "macconfig.h" |
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#elif defined(__amigaos__) |
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#include "amigaconfig.h" |
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#elif defined(__WATCOMC__) |
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#include "watcomconfig.h" |
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#elif defined(HAVE_EXPAT_CONFIG_H) |
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#include <expat_config.h> |
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#endif /* ndef WIN32 */ |
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|
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#include "expat.h" |
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#include "internal.h" /* for UNUSED_P only */ |
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#include "xmlfile.h" |
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#include "xmltchar.h" |
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#include "filemap.h" |
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|
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#if (defined(_MSC_VER) || (defined(__WATCOMC__) && !defined(__LINUX__))) |
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#include <io.h> |
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#endif |
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|
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#if defined(__amigaos__) && defined(__USE_INLINE__) |
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#include <proto/expat.h> |
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#endif |
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|
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#ifdef HAVE_UNISTD_H |
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#include <unistd.h> |
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#endif |
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|
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#ifndef O_BINARY |
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#ifdef _O_BINARY |
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#define O_BINARY _O_BINARY |
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#else |
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#define O_BINARY 0 |
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#endif |
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#endif |
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|
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#ifdef _DEBUG |
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#define READ_SIZE 16 |
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#else |
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#define READ_SIZE (1024*8) |
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#endif |
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|
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|
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typedef struct { |
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XML_Parser parser; |
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int *retPtr; |
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} PROCESS_ARGS; |
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|
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static void |
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reportError(XML_Parser parser, const XML_Char *filename) |
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{ |
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enum XML_Error code = XML_GetErrorCode(parser); |
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const XML_Char *message = XML_ErrorString(code); |
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if (message) |
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ftprintf(stdout, T("%s:%" XML_FMT_INT_MOD "u:%" XML_FMT_INT_MOD "u: %s\n"), |
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filename, |
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XML_GetErrorLineNumber(parser), |
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XML_GetErrorColumnNumber(parser), |
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message); |
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else |
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ftprintf(stderr, T("%s: (unknown message %d)\n"), filename, code); |
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} |
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|
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/* This implementation will give problems on files larger than INT_MAX. */ |
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static void |
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processFile(const void *data, size_t size, |
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const XML_Char *filename, void *args) |
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{ |
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XML_Parser parser = ((PROCESS_ARGS *)args)->parser; |
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int *retPtr = ((PROCESS_ARGS *)args)->retPtr; |
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if (XML_Parse(parser, (const char *)data, (int)size, 1) == XML_STATUS_ERROR) { |
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reportError(parser, filename); |
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*retPtr = 0; |
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} |
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else |
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*retPtr = 1; |
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} |
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|
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#if (defined(WIN32) || defined(__WATCOMC__)) |
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|
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static int |
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isAsciiLetter(XML_Char c) |
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{ |
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return (T('a') <= c && c <= T('z')) || (T('A') <= c && c <= T('Z')); |
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} |
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|
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#endif /* WIN32 */ |
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|
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static const XML_Char * |
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resolveSystemId(const XML_Char *base, const XML_Char *systemId, |
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XML_Char **toFree) |
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{ |
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XML_Char *s; |
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*toFree = 0; |
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if (!base |
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|| *systemId == T('/') |
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#if (defined(WIN32) || defined(__WATCOMC__)) |
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|| *systemId == T('\\') |
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|| (isAsciiLetter(systemId[0]) && systemId[1] == T(':')) |
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#endif |
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) |
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return systemId; |
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*toFree = (XML_Char *)malloc((tcslen(base) + tcslen(systemId) + 2) |
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* sizeof(XML_Char)); |
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if (!*toFree) |
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return systemId; |
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tcscpy(*toFree, base); |
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s = *toFree; |
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if (tcsrchr(s, T('/'))) |
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s = tcsrchr(s, T('/')) + 1; |
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#if (defined(WIN32) || defined(__WATCOMC__)) |
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if (tcsrchr(s, T('\\'))) |
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s = tcsrchr(s, T('\\')) + 1; |
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#endif |
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tcscpy(s, systemId); |
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return *toFree; |
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} |
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|
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static int |
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externalEntityRefFilemap(XML_Parser parser, |
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const XML_Char *context, |
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const XML_Char *base, |
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const XML_Char *systemId, |
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const XML_Char *UNUSED_P(publicId)) |
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{ |
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int result; |
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XML_Char *s; |
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const XML_Char *filename; |
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XML_Parser entParser = XML_ExternalEntityParserCreate(parser, context, 0); |
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PROCESS_ARGS args; |
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args.retPtr = &result; |
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args.parser = entParser; |
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filename = resolveSystemId(base, systemId, &s); |
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XML_SetBase(entParser, filename); |
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if (!filemap(filename, processFile, &args)) |
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result = 0; |
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free(s); |
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XML_ParserFree(entParser); |
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return result; |
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} |
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|
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static int |
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processStream(const XML_Char *filename, XML_Parser parser) |
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{ |
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/* passing NULL for filename means read intput from stdin */ |
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int fd = 0; /* 0 is the fileno for stdin */ |
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|
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if (filename != NULL) { |
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fd = topen(filename, O_BINARY|O_RDONLY); |
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if (fd < 0) { |
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tperror(filename); |
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return 0; |
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} |
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} |
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for (;;) { |
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int nread; |
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char *buf = (char *)XML_GetBuffer(parser, READ_SIZE); |
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if (!buf) { |
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if (filename != NULL) |
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close(fd); |
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ftprintf(stderr, T("%s: out of memory\n"), |
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filename != NULL ? filename : "xmlwf"); |
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return 0; |
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} |
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nread = read(fd, buf, READ_SIZE); |
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if (nread < 0) { |
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tperror(filename != NULL ? filename : "STDIN"); |
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if (filename != NULL) |
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close(fd); |
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return 0; |
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} |
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if (XML_ParseBuffer(parser, nread, nread == 0) == XML_STATUS_ERROR) { |
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reportError(parser, filename != NULL ? filename : "STDIN"); |
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if (filename != NULL) |
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close(fd); |
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return 0; |
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} |
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if (nread == 0) { |
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if (filename != NULL) |
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close(fd); |
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break;; |
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} |
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} |
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return 1; |
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} |
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|
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static int |
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externalEntityRefStream(XML_Parser parser, |
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const XML_Char *context, |
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const XML_Char *base, |
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const XML_Char *systemId, |
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const XML_Char *UNUSED_P(publicId)) |
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{ |
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XML_Char *s; |
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const XML_Char *filename; |
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int ret; |
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XML_Parser entParser = XML_ExternalEntityParserCreate(parser, context, 0); |
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filename = resolveSystemId(base, systemId, &s); |
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XML_SetBase(entParser, filename); |
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ret = processStream(filename, entParser); |
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free(s); |
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XML_ParserFree(entParser); |
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return ret; |
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} |
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|
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int |
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XML_ProcessFile(XML_Parser parser, |
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const XML_Char *filename, |
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unsigned flags) |
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{ |
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int result; |
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|
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if (!XML_SetBase(parser, filename)) { |
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ftprintf(stderr, T("%s: out of memory"), filename); |
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exit(1); |
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} |
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|
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if (flags & XML_EXTERNAL_ENTITIES) |
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XML_SetExternalEntityRefHandler(parser, |
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(flags & XML_MAP_FILE) |
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? externalEntityRefFilemap |
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: externalEntityRefStream); |
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if (flags & XML_MAP_FILE) { |
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PROCESS_ARGS args; |
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args.retPtr = &result; |
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args.parser = parser; |
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if (!filemap(filename, processFile, &args)) |
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result = 0; |
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} |
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else |
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result = processStream(filename, parser); |
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return result; |
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} |
