예제 #1
0
파일: type.c 프로젝트: 0xPr0xy/ImageMagick
static MagickBooleanType LoadTypeList(const char *xml,const char *filename,
  const size_t depth,ExceptionInfo *exception)
{
  char
    font_path[MaxTextExtent],
    keyword[MaxTextExtent],
    *token;

  const char
    *q;

  MagickBooleanType
    status;

  TypeInfo
    *type_info;

  /*
    Load the type map file.
  */
  (void) LogMagickEvent(ConfigureEvent,GetMagickModule(),
    "Loading type configure file \"%s\" ...",filename);
  if (xml == (const char *) NULL)
    return(MagickFalse);
  if (type_list == (SplayTreeInfo *) NULL)
    {
      type_list=NewSplayTree(CompareSplayTreeString,(void *(*)(void *)) NULL,
        DestroyTypeNode);
      if (type_list == (SplayTreeInfo *) NULL)
        {
          ThrowFileException(exception,ResourceLimitError,
            "MemoryAllocationFailed",filename);
          return(MagickFalse);
        }
    }
  status=MagickTrue;
  type_info=(TypeInfo *) NULL;
  token=AcquireString(xml);
#if defined(MAGICKCORE_WINDOWS_SUPPORT)
  /*
    Determine the Ghostscript font path.
  */
  *font_path='\0';
  if (NTGhostscriptFonts(font_path,MaxTextExtent-2))
    (void) ConcatenateMagickString(font_path,DirectorySeparator,MaxTextExtent);
#endif
  for (q=(char *) xml; *q != '\0'; )
  {
    /*
      Interpret XML.
    */
    GetMagickToken(q,&q,token);
    if (*token == '\0')
      break;
    (void) CopyMagickString(keyword,token,MaxTextExtent);
    if (LocaleNCompare(keyword,"<!DOCTYPE",9) == 0)
      {
        /*
          Doctype element.
        */
        while ((LocaleNCompare(q,"]>",2) != 0) && (*q != '\0'))
          GetMagickToken(q,&q,token);
        continue;
      }
    if (LocaleNCompare(keyword,"<!--",4) == 0)
      {
        /*
          Comment element.
        */
        while ((LocaleNCompare(q,"->",2) != 0) && (*q != '\0'))
          GetMagickToken(q,&q,token);
        continue;
      }
    if (LocaleCompare(keyword,"<include") == 0)
      {
        /*
          Include element.
        */
        while (((*token != '/') && (*(token+1) != '>')) && (*q != '\0'))
        {
          (void) CopyMagickString(keyword,token,MaxTextExtent);
          GetMagickToken(q,&q,token);
          if (*token != '=')
            continue;
          GetMagickToken(q,&q,token);
          if (LocaleCompare(keyword,"file") == 0)
            {
              if (depth > 200)
                (void) ThrowMagickException(exception,GetMagickModule(),
                  ConfigureError,"IncludeNodeNestedTooDeeply","`%s'",token);
              else
                {
                  char
                    path[MaxTextExtent],
                    *xml;

                  ExceptionInfo
                    *sans_exception;

                  *path='\0';
                  GetPathComponent(filename,HeadPath,path);
                  if (*path != '\0')
                    (void) ConcatenateMagickString(path,DirectorySeparator,
                      MaxTextExtent);
                  if (*token == *DirectorySeparator)
                    (void) CopyMagickString(path,token,MaxTextExtent);
                  else
                    (void) ConcatenateMagickString(path,token,MaxTextExtent);
                  sans_exception=AcquireExceptionInfo();
                  xml=FileToString(path,~0UL,sans_exception);
                  sans_exception=DestroyExceptionInfo(sans_exception);
                  if (xml != (char *) NULL)
                    {
                      status=LoadTypeList(xml,path,depth+1,exception);
                      xml=(char *) RelinquishMagickMemory(xml);
                    }
                }
            }
        }
        continue;
      }
    if (LocaleCompare(keyword,"<type") == 0)
      {
        /*
          Type element.
        */
        type_info=(TypeInfo *) AcquireMagickMemory(sizeof(*type_info));
        if (type_info == (TypeInfo *) NULL)
          ThrowFatalException(ResourceLimitFatalError,"MemoryAllocationFailed");
        (void) ResetMagickMemory(type_info,0,sizeof(*type_info));
        type_info->path=ConstantString(filename);
        type_info->signature=MagickSignature;
        continue;
      }
    if (type_info == (TypeInfo *) NULL)
      continue;
    if (LocaleCompare(keyword,"/>") == 0)
      {
        status=AddValueToSplayTree(type_list,type_info->name,type_info);
        if (status == MagickFalse)
          (void) ThrowMagickException(exception,GetMagickModule(),
            ResourceLimitError,"MemoryAllocationFailed","`%s'",type_info->name);
        type_info=(TypeInfo *) NULL;
      }
    GetMagickToken(q,(const char **) NULL,token);
    if (*token != '=')
      continue;
    GetMagickToken(q,&q,token);
    GetMagickToken(q,&q,token);
    switch (*keyword)
    {
      case 'E':
      case 'e':
      {
        if (LocaleCompare((char *) keyword,"encoding") == 0)
          {
            type_info->encoding=ConstantString(token);
            break;
          }
        break;
      }
      case 'F':
      case 'f':
      {
        if (LocaleCompare((char *) keyword,"face") == 0)
          {
            type_info->face=StringToUnsignedLong(token);
            break;
          }
        if (LocaleCompare((char *) keyword,"family") == 0)
          {
            type_info->family=ConstantString(token);
            break;
          }
        if (LocaleCompare((char *) keyword,"format") == 0)
          {
            type_info->format=ConstantString(token);
            break;
          }
        if (LocaleCompare((char *) keyword,"foundry") == 0)
          {
            type_info->foundry=ConstantString(token);
            break;
          }
        if (LocaleCompare((char *) keyword,"fullname") == 0)
          {
            type_info->description=ConstantString(token);
            break;
          }
        break;
      }
      case 'G':
      case 'g':
      {
        if (LocaleCompare((char *) keyword,"glyphs") == 0)
          {
            char
              *path;

            path=ConstantString(token);
#if defined(MAGICKCORE_WINDOWS_SUPPORT)
            if (strchr(path,'@') != (char *) NULL)
              SubstituteString(&path,"@ghostscript_font_path@",font_path);
#endif
            if (IsPathAccessible(path) == MagickFalse)
              {
                /*
                  Relative path.
                */
                path=DestroyString(path);
                GetPathComponent(filename,HeadPath,font_path);
                (void) ConcatenateMagickString(font_path,DirectorySeparator,
                  MaxTextExtent);
                (void) ConcatenateMagickString(font_path,token,MaxTextExtent);
                path=ConstantString(font_path);
                if (IsPathAccessible(path) == MagickFalse)
                  {
                    path=DestroyString(path);
                    path=ConstantString(token);
                  }
              }
            type_info->glyphs=path;
            break;
          }
        break;
      }
      case 'M':
      case 'm':
      {
        if (LocaleCompare((char *) keyword,"metrics") == 0)
          {
            char
              *path;

            path=ConstantString(token);
#if defined(MAGICKCORE_WINDOWS_SUPPORT)
            if (strchr(path,'@') != (char *) NULL)
              SubstituteString(&path,"@ghostscript_font_path@",font_path);
#endif
            if (IsPathAccessible(path) == MagickFalse)
              {
                /*
                  Relative path.
                */
                path=DestroyString(path);
                GetPathComponent(filename,HeadPath,font_path);
                (void) ConcatenateMagickString(font_path,DirectorySeparator,
                  MaxTextExtent);
                (void) ConcatenateMagickString(font_path,token,MaxTextExtent);
                path=ConstantString(font_path);
              }
            type_info->metrics=path;
            break;
          }
        break;
      }
      case 'N':
      case 'n':
      {
        if (LocaleCompare((char *) keyword,"name") == 0)
          {
            type_info->name=ConstantString(token);
            break;
          }
        break;
      }
      case 'S':
      case 's':
      {
        if (LocaleCompare((char *) keyword,"stealth") == 0)
          {
            type_info->stealth=IsStringTrue(token);
            break;
          }
        if (LocaleCompare((char *) keyword,"stretch") == 0)
          {
            type_info->stretch=(StretchType) ParseCommandOption(
              MagickStretchOptions,MagickFalse,token);
            break;
          }
        if (LocaleCompare((char *) keyword,"style") == 0)
          {
            type_info->style=(StyleType) ParseCommandOption(MagickStyleOptions,
              MagickFalse,token);
            break;
          }
        break;
      }
      case 'W':
      case 'w':
      {
        if (LocaleCompare((char *) keyword,"weight") == 0)
          {
            type_info->weight=StringToUnsignedLong(token);
            if (LocaleCompare(token,"bold") == 0)
              type_info->weight=700;
            if (LocaleCompare(token,"normal") == 0)
              type_info->weight=400;
            break;
          }
        break;
      }
      default:
        break;
    }
  }
  token=(char *) RelinquishMagickMemory(token);
  return(status);
}
예제 #2
0
static MagickBooleanType LoadTypeList(const char *xml,const char *filename,
  const unsigned long depth,ExceptionInfo *exception)
{
  char
    font_path[MaxTextExtent];

  const char
    *attribute;

  TypeInfo
    *type_info = (TypeInfo *) NULL;

  MagickBooleanType
    status;

  XMLTreeInfo
    *type,
    *type_map,
    *include;

  /*
    Load the type map file.
  */
  (void) LogMagickEvent(ConfigureEvent,GetMagickModule(),
    "Loading type map \"%s\" ...",filename);
  if (xml == (const char *) NULL)
    return(MagickFalse);
  if (type_list == (SplayTreeInfo *) NULL)
    {
      type_list=NewSplayTree(CompareSplayTreeString,(void *(*)(void *)) NULL,
        DestroyTypeNode);
      if (type_list == (SplayTreeInfo *) NULL)
        {
          ThrowFileException(exception,ResourceLimitError,
            "MemoryAllocationFailed",filename);
          return(MagickFalse);
        }
    }
  type_map=NewXMLTree(xml,exception);
  if (type_map == (XMLTreeInfo *) NULL)
    return(MagickFalse);
  status=MagickTrue;
  include=GetXMLTreeChild(type_map,"include");
  while (include != (XMLTreeInfo *) NULL)
  {
    /*
      Process include element.
    */
    attribute=GetXMLTreeAttribute(include,"file");
    if (attribute != (const char *) NULL)
      {
        if (depth > 200)
          (void) ThrowMagickException(exception,GetMagickModule(),
            ConfigureError,"IncludeElementNestedTooDeeply","`%s'",attribute);
        else
          {
            char
              path[MaxTextExtent],
              *xml;

            ExceptionInfo
              *sans_exception;

            GetPathComponent(filename,HeadPath,path);
            if (*path != '\0')
              (void) ConcatenateMagickString(path,DirectorySeparator,
                MaxTextExtent);
            (void) ConcatenateMagickString(path,attribute,MaxTextExtent);
            sans_exception=AcquireExceptionInfo();
            xml=FileToString(path,~0,sans_exception);
            sans_exception=DestroyExceptionInfo(sans_exception);
            if (xml != (char *) NULL)
              {
                status=LoadTypeList(xml,path,depth+1,exception);
                xml=DestroyString(xml);
              }
          }
      }
    include=GetNextXMLTreeTag(include);
  }
  *font_path='\0';
#if defined(__WINDOWS__)
  if (NTGhostscriptFonts(font_path,MaxTextExtent-2))
    (void) ConcatenateMagickString(font_path,DirectorySeparator,MaxTextExtent);
#endif
  type=GetXMLTreeChild(type_map,"type");
  while (type != (XMLTreeInfo *) NULL)
  {
    /*
      Process type element.
    */
    type_info=(TypeInfo *) AcquireMagickMemory(sizeof(*type_info));
    if (type_info == (TypeInfo *) NULL)
      ThrowFatalException(ResourceLimitFatalError,"MemoryAllocationFailed");
    (void) ResetMagickMemory(type_info,0,sizeof(*type_info));
    type_info->path=ConstantString(filename);
    type_info->signature=MagickSignature;
    attribute=GetXMLTreeAttribute(type,"encoding");
    if (attribute != (const char *) NULL)
      type_info->encoding=ConstantString(attribute);
    attribute=GetXMLTreeAttribute(type,"face");
    if (attribute != (const char *) NULL)
      type_info->face=(unsigned long) atol(attribute);
    attribute=GetXMLTreeAttribute(type,"family");
    if (attribute != (const char *) NULL)
      type_info->family=ConstantString(attribute);
    attribute=GetXMLTreeAttribute(type,"format");
    if (attribute != (const char *) NULL)
      type_info->format=ConstantString(attribute);
    attribute=GetXMLTreeAttribute(type,"foundry");
    if (attribute != (const char *) NULL)
      type_info->foundry=ConstantString(attribute);
    attribute=GetXMLTreeAttribute(type,"fullname");
    if (attribute != (const char *) NULL)
      type_info->description=ConstantString(attribute);
    attribute=GetXMLTreeAttribute(type,"glyphs");
    if (attribute != (const char *) NULL)
      {
        char
          *path;

        path=ConstantString(attribute);
#if defined(__WINDOWS__)
        if (strchr(path,'@') != (char *) NULL)
          (void) SubstituteString(&path,"@ghostscript_font_path@",font_path);
#endif
        type_info->glyphs=path;
      }
    attribute=GetXMLTreeAttribute(type,"metrics");
    if (attribute != (const char *) NULL)
      {
        char
          *path;

        path=ConstantString(attribute);
#if defined(__WINDOWS__)
        if (strchr(path,'@') != (char *) NULL)
          (void) SubstituteString(&path,"@ghostscript_font_path@",font_path);
#endif
        type_info->metrics=path;
      }
    attribute=GetXMLTreeAttribute(type,"name");
    if (attribute != (const char *) NULL)
      type_info->name=ConstantString(attribute);
    attribute=GetXMLTreeAttribute(type,"stealth");
    if (attribute != (const char *) NULL)
      type_info->stealth=IsMagickTrue(attribute);
    attribute=GetXMLTreeAttribute(type,"stretch");
    if (attribute != (const char *) NULL)
      type_info->stretch=(StretchType) ParseMagickOption(MagickStretchOptions,
        MagickFalse,attribute);
    attribute=GetXMLTreeAttribute(type,"style");
    if (attribute != (const char *) NULL)
      type_info->style=(StyleType) ParseMagickOption(MagickStyleOptions,
        MagickFalse,attribute);
    attribute=GetXMLTreeAttribute(type,"weight");
    if (attribute != (const char *) NULL)
      {
        type_info->weight=(unsigned long) atol(attribute);
        if (LocaleCompare(attribute,"bold") == 0)
          type_info->weight=700;
        if (LocaleCompare(attribute,"normal") == 0)
          type_info->weight=400;
      }
    status=AddValueToSplayTree(type_list,type_info->name,type_info);
    if (status == MagickFalse)
      (void) ThrowMagickException(exception,GetMagickModule(),
        ResourceLimitError,"MemoryAllocationFailed","`%s'",filename);
    type=GetNextXMLTreeTag(type);
  }
  type_map=DestroyXMLTree(type_map);
  return(status);
}