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xmlwf.c

/*
The contents of this file are subject to the Mozilla Public License
Version 1.1 (the "License"); you may not use this file except in
compliance with the License. You may obtain a copy of the License at
http://www.mozilla.org/MPL/

Software distributed under the License is distributed on an "AS IS"
basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
License for the specific language governing rights and limitations
under the License.

The Original Code is expat.

The Initial Developer of the Original Code is James Clark.
Portions created by James Clark are Copyright (C) 1998, 1999
James Clark. All Rights Reserved.

Contributor(s):

Alternatively, the contents of this file may be used under the terms
of the GNU General Public License (the "GPL"), in which case the
provisions of the GPL are applicable instead of those above.  If you
wish to allow use of your version of this file only under the terms of
the GPL and not to allow others to use your version of this file under
the MPL, indicate your decision by deleting the provisions above and
replace them with the notice and other provisions required by the
GPL. If you do not delete the provisions above, a recipient may use
your version of this file under either the MPL or the GPL.
*/

#include <stdio.h>
#include <stdlib.h>
#include <stddef.h>
#include <string.h>

#include "xmlparse.h"
#include "codepage.h"
#include "xmlfile.h"
#include "xmltchar.h"

#ifdef _MSC_VER
#include <crtdbg.h>
#endif

/* This ensures proper sorting. */

#define NSSEP T('\001')

static void characterData(void *userData, const XML_Char *s, int len)
{
  FILE *fp = userData;
  for (; len > 0; --len, ++s) {
    switch (*s) {
    case T('&'):
      fputts(T("&amp;"), fp);
      break;
    case T('<'):
      fputts(T("&lt;"), fp);
      break;
    case T('>'):
      fputts(T("&gt;"), fp);
      break;
#ifdef W3C14N
    case 13:
      fputts(T("&#xD;"), fp);
      break;
#else
    case T('"'):
      fputts(T("&quot;"), fp);
      break;
    case 9:
    case 10:
    case 13:
      ftprintf(fp, T("&#%d;"), *s);
      break;
#endif
    default:
      puttc(*s, fp);
      break;
    }
  }
}

static void attributeValue(FILE *fp, const XML_Char *s)
{
  puttc(T('='), fp);
  puttc(T('"'), fp);
  for (;;) {
    switch (*s) {
    case 0:
    case NSSEP:
      puttc(T('"'), fp);
      return;
    case T('&'):
      fputts(T("&amp;"), fp);
      break;
    case T('<'):
      fputts(T("&lt;"), fp);
      break;
    case T('"'):
      fputts(T("&quot;"), fp);
      break;
#ifdef W3C14N
    case 9:
      fputts(T("&#x9;"), fp);
      break;
    case 10:
      fputts(T("&#xA;"), fp);
      break;
    case 13:
      fputts(T("&#xD;"), fp);
      break;
#else
    case T('>'):
      fputts(T("&gt;"), fp);
      break;
    case 9:
    case 10:
    case 13:
      ftprintf(fp, T("&#%d;"), *s);
      break;
#endif
    default:
      puttc(*s, fp);
      break;
    }
    s++;
  }
}

/* Lexicographically comparing UTF-8 encoded attribute values,
is equivalent to lexicographically comparing based on the character number. */

static int attcmp(const void *att1, const void *att2)
{
  return tcscmp(*(const XML_Char **)att1, *(const XML_Char **)att2);
}

static void startElement(void *userData, const XML_Char *name, const XML_Char **atts)
{
  int nAtts;
  const XML_Char **p;
  FILE *fp = userData;
  puttc(T('<'), fp);
  fputts(name, fp);

  p = atts;
  while (*p)
    ++p;
  nAtts = (p - atts) >> 1;
  if (nAtts > 1)
    qsort((void *)atts, nAtts, sizeof(XML_Char *) * 2, attcmp);
  while (*atts) {
    puttc(T(' '), fp);
    fputts(*atts++, fp);
    attributeValue(fp, *atts);
    atts++;
  }
  puttc(T('>'), fp);
}

static void endElement(void *userData, const XML_Char *name)
{
  FILE *fp = userData;
  puttc(T('<'), fp);
  puttc(T('/'), fp);
  fputts(name, fp);
  puttc(T('>'), fp);
}

static int nsattcmp(const void *p1, const void *p2)
{
  const XML_Char *att1 = *(const XML_Char **)p1;
  const XML_Char *att2 = *(const XML_Char **)p2;
  int sep1 = (tcsrchr(att1, NSSEP) != 0);
  int sep2 = (tcsrchr(att1, NSSEP) != 0);
  if (sep1 != sep2)
    return sep1 - sep2;
  return tcscmp(att1, att2);
}

static void startElementNS(void *userData, const XML_Char *name, const XML_Char **atts)
{
  int nAtts;
  int nsi;
  const XML_Char **p;
  FILE *fp = userData;
  const XML_Char *sep;
  puttc(T('<'), fp);

  sep = tcsrchr(name, NSSEP);
  if (sep) {
    fputts(T("n1:"), fp);
    fputts(sep + 1, fp);
    fputts(T(" xmlns:n1"), fp);
    attributeValue(fp, name);
    nsi = 2;
  }
  else {
    fputts(name, fp);
    nsi = 1;
  }

  p = atts;
  while (*p)
    ++p;
  nAtts = (p - atts) >> 1;
  if (nAtts > 1)
    qsort((void *)atts, nAtts, sizeof(XML_Char *) * 2, nsattcmp);
  while (*atts) {
    name = *atts++;
    sep = tcsrchr(name, NSSEP);
    puttc(T(' '), fp);
    if (sep) {
      ftprintf(fp, T("n%d:"), nsi);
      fputts(sep + 1, fp);
    }
    else
      fputts(name, fp);
    attributeValue(fp, *atts);
    if (sep) {
      ftprintf(fp, T(" xmlns:n%d"), nsi++);
      attributeValue(fp, name);
    }
    atts++;
  }
  puttc(T('>'), fp);
}

static void endElementNS(void *userData, const XML_Char *name)
{
  FILE *fp = userData;
  const XML_Char *sep;
  puttc(T('<'), fp);
  puttc(T('/'), fp);
  sep = tcsrchr(name, NSSEP);
  if (sep) {
    fputts(T("n1:"), fp);
    fputts(sep + 1, fp);
  }
  else
    fputts(name, fp);
  puttc(T('>'), fp);
}

#ifndef W3C14N

static void processingInstruction(void *userData, const XML_Char *target, const XML_Char *data)
{
  FILE *fp = userData;
  puttc(T('<'), fp);
  puttc(T('?'), fp);
  fputts(target, fp);
  puttc(T(' '), fp);
  fputts(data, fp);
  puttc(T('?'), fp);
  puttc(T('>'), fp);
}

#endif /* not W3C14N */

static void defaultCharacterData(XML_Parser parser, const XML_Char *s, int len)
{
  XML_DefaultCurrent(parser);
}

static void defaultStartElement(XML_Parser parser, const XML_Char *name, const XML_Char **atts)
{
  XML_DefaultCurrent(parser);
}

static void defaultEndElement(XML_Parser parser, const XML_Char *name)
{
  XML_DefaultCurrent(parser);
}

static void defaultProcessingInstruction(XML_Parser parser, const XML_Char *target, const XML_Char *data)
{
  XML_DefaultCurrent(parser);
}

static void nopCharacterData(XML_Parser parser, const XML_Char *s, int len)
{
}

static void nopStartElement(XML_Parser parser, const XML_Char *name, const XML_Char **atts)
{
}

static void nopEndElement(XML_Parser parser, const XML_Char *name)
{
}

static void nopProcessingInstruction(XML_Parser parser, const XML_Char *target, const XML_Char *data)
{
}

static void markup(XML_Parser parser, const XML_Char *s, int len)
{
  FILE *fp = XML_GetUserData(parser);
  for (; len > 0; --len, ++s)
    puttc(*s, fp);
}

static
void metaLocation(XML_Parser parser)
{
  const XML_Char *uri = XML_GetBase(parser);
  if (uri)
    ftprintf(XML_GetUserData(parser), T(" uri=\"%s\""), uri);
  ftprintf(XML_GetUserData(parser),
           T(" byte=\"%ld\" nbytes=\"%d\" line=\"%d\" col=\"%d\""),
         XML_GetCurrentByteIndex(parser),
         XML_GetCurrentByteCount(parser),
         XML_GetCurrentLineNumber(parser),
         XML_GetCurrentColumnNumber(parser));
}

static
void metaStartDocument(XML_Parser parser)
{
  fputts(T("<document>\n"), XML_GetUserData(parser));
}

static
void metaEndDocument(XML_Parser parser)
{
  fputts(T("</document>\n"), XML_GetUserData(parser));
}

static
void metaStartElement(XML_Parser parser, const XML_Char *name, const XML_Char **atts)
{
  FILE *fp = XML_GetUserData(parser);
  const XML_Char **specifiedAttsEnd
    = atts + 2*XML_GetSpecifiedAttributeCount(parser);
  ftprintf(fp, T("<starttag name=\"%s\""), name);
  metaLocation(parser);
  if (*atts) {
    fputts(T(">\n"), fp);
    do {
      ftprintf(fp, T("<attribute name=\"%s\" value=\""), atts[0]);
      characterData(fp, atts[1], tcslen(atts[1]));
      if (atts >= specifiedAttsEnd)
      fputts(T("\" defaulted=\"yes\"/>\n"), fp);
      else
      fputts(T("\"/>\n"), fp);
    } while (*(atts += 2));
    fputts(T("</starttag>\n"), fp);
  }
  else
    fputts(T("/>\n"), fp);
}

static
void metaEndElement(XML_Parser parser, const XML_Char *name)
{
  FILE *fp = XML_GetUserData(parser);
  ftprintf(fp, T("<endtag name=\"%s\""), name);
  metaLocation(parser);
  fputts(T("/>\n"), fp);
}

static
void metaProcessingInstruction(XML_Parser parser, const XML_Char *target, const XML_Char *data)
{
  FILE *fp = XML_GetUserData(parser);
  ftprintf(fp, T("<pi target=\"%s\" data=\""), target);
  characterData(fp, data, tcslen(data));
  puttc(T('"'), fp);
  metaLocation(parser);
  fputts(T("/>\n"), fp);
}

static
void metaComment(XML_Parser parser, const XML_Char *data)
{
  FILE *fp = XML_GetUserData(parser);
  fputts(T("<comment data=\""), fp);
  characterData(fp, data, tcslen(data));
  puttc(T('"'), fp);
  metaLocation(parser);
  fputts(T("/>\n"), fp);
}

static
void metaStartCdataSection(XML_Parser parser)
{
  FILE *fp = XML_GetUserData(parser);
  fputts(T("<startcdata"), fp);
  metaLocation(parser);
  fputts(T("/>\n"), fp);
}

static
void metaEndCdataSection(XML_Parser parser)
{
  FILE *fp = XML_GetUserData(parser);
  fputts(T("<endcdata"), fp);
  metaLocation(parser);
  fputts(T("/>\n"), fp);
}

static
void metaCharacterData(XML_Parser parser, const XML_Char *s, int len)
{
  FILE *fp = XML_GetUserData(parser);
  fputts(T("<chars str=\""), fp);
  characterData(fp, s, len);
  puttc(T('"'), fp);
  metaLocation(parser);
  fputts(T("/>\n"), fp);
}

static
void metaStartDoctypeDecl(XML_Parser parser, const XML_Char *doctypeName)
{
  FILE *fp = XML_GetUserData(parser);
  ftprintf(fp, T("<startdoctype name=\"%s\""), doctypeName);
  metaLocation(parser);
  fputts(T("/>\n"), fp);
}

static
void metaEndDoctypeDecl(XML_Parser parser)
{
  FILE *fp = XML_GetUserData(parser);
  fputts(T("<enddoctype"), fp);
  metaLocation(parser);
  fputts(T("/>\n"), fp);
}

static
void metaUnparsedEntityDecl(XML_Parser parser,
                      const XML_Char *entityName,
                      const XML_Char *base,
                      const XML_Char *systemId,
                      const XML_Char *publicId,
                      const XML_Char *notationName)
{
  FILE *fp = XML_GetUserData(parser);
  ftprintf(fp, T("<entity name=\"%s\""), entityName);
  if (publicId)
    ftprintf(fp, T(" public=\"%s\""), publicId);
  fputts(T(" system=\""), fp);
  characterData(fp, systemId, tcslen(systemId));
  puttc(T('"'), fp);
  ftprintf(fp, T(" notation=\"%s\""), notationName);
  metaLocation(parser);
  fputts(T("/>\n"), fp);
}

static
void metaNotationDecl(XML_Parser parser,
                  const XML_Char *notationName,
                  const XML_Char *base,
                  const XML_Char *systemId,
                  const XML_Char *publicId)
{
  FILE *fp = XML_GetUserData(parser);
  ftprintf(fp, T("<notation name=\"%s\""), notationName);
  if (publicId)
    ftprintf(fp, T(" public=\"%s\""), publicId);
  if (systemId) {
    fputts(T(" system=\""), fp);
    characterData(fp, systemId, tcslen(systemId));
    puttc(T('"'), fp);
  }
  metaLocation(parser);
  fputts(T("/>\n"), fp);
}

static
void metaStartNamespaceDecl(XML_Parser parser,
                      const XML_Char *prefix,
                      const XML_Char *uri)
{
  FILE *fp = XML_GetUserData(parser);
  fputts(T("<startns"), fp);
  if (prefix)
    ftprintf(fp, T(" prefix=\"%s\""), prefix);
  if (uri) {
    fputts(T(" ns=\""), fp);
    characterData(fp, uri, tcslen(uri));
    fputts(T("\"/>\n"), fp);
  }
  else
    fputts(T("/>\n"), fp);
}

static
void metaEndNamespaceDecl(XML_Parser parser, const XML_Char *prefix)
{
  FILE *fp = XML_GetUserData(parser);
  if (!prefix)
    fputts(T("<endns/>\n"), fp);
  else
    ftprintf(fp, T("<endns prefix=\"%s\"/>\n"), prefix);
}

static
int unknownEncodingConvert(void *data, const char *p)
{
  return codepageConvert(*(int *)data, p);
}

static
int unknownEncoding(void *userData,
                const XML_Char *name,
                XML_Encoding *info)
{
  int cp;
  static const XML_Char prefixL[] = T("windows-");
  static const XML_Char prefixU[] = T("WINDOWS-");
  int i;

  for (i = 0; prefixU[i]; i++)
    if (name[i] != prefixU[i] && name[i] != prefixL[i])
      return 0;
  
  cp = 0;
  for (; name[i]; i++) {
    static const XML_Char digits[] = T("0123456789");
    const XML_Char *s = tcschr(digits, name[i]);
    if (!s)
      return 0;
    cp *= 10;
    cp += s - digits;
    if (cp >= 0x10000)
      return 0;
  }
  if (!codepageMap(cp, info->map))
    return 0;
  info->convert = unknownEncodingConvert;
  /* We could just cast the code page integer to a void *,
  and avoid the use of release. */
  info->release = free;
  info->data = malloc(sizeof(int));
  if (!info->data)
    return 0;
  *(int *)info->data = cp;
  return 1;
}

static
int notStandalone(void *userData)
{
  return 0;
}

static
void usage(const XML_Char *prog)
{
  ftprintf(stderr, T("usage: %s [-n] [-p] [-r] [-s] [-w] [-x] [-d output-dir] [-e encoding] file ...\n"), prog);
  exit(1);
}

int tmain(int argc, XML_Char **argv)
{
  int i, j;
  const XML_Char *outputDir = 0;
  const XML_Char *encoding = 0;
  unsigned processFlags = XML_MAP_FILE;
  int windowsCodePages = 0;
  int outputType = 0;
  int useNamespaces = 0;
  int requireStandalone = 0;
  int paramEntityParsing = XML_PARAM_ENTITY_PARSING_NEVER;

#ifdef _MSC_VER
  _CrtSetDbgFlag(_CRTDBG_ALLOC_MEM_DF|_CRTDBG_LEAK_CHECK_DF);
#endif

  i = 1;
  j = 0;
  while (i < argc) {
    if (j == 0) {
      if (argv[i][0] != T('-'))
      break;
      if (argv[i][1] == T('-') && argv[i][2] == T('\0')) {
      i++;
      break;
      }
      j++;
    }
    switch (argv[i][j]) {
    case T('r'):
      processFlags &= ~XML_MAP_FILE;
      j++;
      break;
    case T('s'):
      requireStandalone = 1;
      j++;
      break;
    case T('n'):
      useNamespaces = 1;
      j++;
      break;
    case T('p'):
      paramEntityParsing = XML_PARAM_ENTITY_PARSING_ALWAYS;
      /* fall through */
    case T('x'):
      processFlags |= XML_EXTERNAL_ENTITIES;
      j++;
      break;
    case T('w'):
      windowsCodePages = 1;
      j++;
      break;
    case T('m'):
      outputType = 'm';
      j++;
      break;
    case T('c'):
      outputType = 'c';
      useNamespaces = 0;
      j++;
      break;
    case T('t'):
      outputType = 't';
      j++;
      break;
    case T('d'):
      if (argv[i][j + 1] == T('\0')) {
      if (++i == argc)
        usage(argv[0]);
      outputDir = argv[i];
      }
      else
      outputDir = argv[i] + j + 1;
      i++;
      j = 0;
      break;
    case T('e'):
      if (argv[i][j + 1] == T('\0')) {
      if (++i == argc)
        usage(argv[0]);
      encoding = argv[i];
      }
      else
      encoding = argv[i] + j + 1;
      i++;
      j = 0;
      break;
    case T('\0'):
      if (j > 1) {
      i++;
      j = 0;
      break;
      }
      /* fall through */
    default:
      usage(argv[0]);
    }
  }
  if (i == argc)
    usage(argv[0]);
  for (; i < argc; i++) {
    FILE *fp = 0;
    XML_Char *outName = 0;
    int result;
    XML_Parser parser;
    if (useNamespaces)
      parser = XML_ParserCreateNS(encoding, NSSEP);
    else
      parser = XML_ParserCreate(encoding);
    if (requireStandalone)
      XML_SetNotStandaloneHandler(parser, notStandalone);
    XML_SetParamEntityParsing(parser, paramEntityParsing);
    if (outputType == 't') {
      /* This is for doing timings; this gives a more realistic estimate of
       the parsing time. */
      outputDir = 0;
      XML_SetElementHandler(parser, nopStartElement, nopEndElement);
      XML_SetCharacterDataHandler(parser, nopCharacterData);
      XML_SetProcessingInstructionHandler(parser, nopProcessingInstruction);
    }
    else if (outputDir) {
      const XML_Char *file = argv[i];
      if (tcsrchr(file, T('/')))
      file = tcsrchr(file, T('/')) + 1;
#ifdef WIN32
      if (tcsrchr(file, T('\\')))
      file = tcsrchr(file, T('\\')) + 1;
#endif
      outName = malloc((tcslen(outputDir) + tcslen(file) + 2) * sizeof(XML_Char));
      tcscpy(outName, outputDir);
      tcscat(outName, T("/"));
      tcscat(outName, file);
      fp = tfopen(outName, T("wb"));
      if (!fp) {
      tperror(outName);
      exit(1);
      }
      setvbuf(fp, NULL, _IOFBF, 16384);
#ifdef XML_UNICODE
      puttc(0xFEFF, fp);
#endif
      XML_SetUserData(parser, fp);
      switch (outputType) {
      case 'm':
      XML_UseParserAsHandlerArg(parser);
      XML_SetElementHandler(parser, metaStartElement, metaEndElement);
      XML_SetProcessingInstructionHandler(parser, metaProcessingInstruction);
      XML_SetCommentHandler(parser, metaComment);
      XML_SetCdataSectionHandler(parser, metaStartCdataSection, metaEndCdataSection);
      XML_SetCharacterDataHandler(parser, metaCharacterData);
      XML_SetDoctypeDeclHandler(parser, metaStartDoctypeDecl, metaEndDoctypeDecl);
      XML_SetUnparsedEntityDeclHandler(parser, metaUnparsedEntityDecl);
      XML_SetNotationDeclHandler(parser, metaNotationDecl);
      XML_SetNamespaceDeclHandler(parser, metaStartNamespaceDecl, metaEndNamespaceDecl);
      metaStartDocument(parser);
      break;
      case 'c':
      XML_UseParserAsHandlerArg(parser);
      XML_SetDefaultHandler(parser, markup);
      XML_SetElementHandler(parser, defaultStartElement, defaultEndElement);
      XML_SetCharacterDataHandler(parser, defaultCharacterData);
      XML_SetProcessingInstructionHandler(parser, defaultProcessingInstruction);
      break;
      default:
      if (useNamespaces)
        XML_SetElementHandler(parser, startElementNS, endElementNS);
      else
        XML_SetElementHandler(parser, startElement, endElement);
      XML_SetCharacterDataHandler(parser, characterData);
#ifndef W3C14N
      XML_SetProcessingInstructionHandler(parser, processingInstruction);
#endif /* not W3C14N */
      break;
      }
    }
    if (windowsCodePages)
      XML_SetUnknownEncodingHandler(parser, unknownEncoding, 0);
    result = XML_ProcessFile(parser, argv[i], processFlags);
    if (outputDir) {
      if (outputType == 'm')
      metaEndDocument(parser);
      fclose(fp);
      if (!result)
      tremove(outName);
      free(outName);
    }
    XML_ParserFree(parser);
  }
  return 0;
}

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