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Diff for /parser3/src/main/pa_globals.C between versions 1.97 and 1.115

version 1.97, 2001/12/28 14:06:52 version 1.115, 2002/02/18 14:35:37
Line 1 Line 1
 /** @file  /** @file
         Parser: globals.          Parser: globals.
   
         Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com)          Copyright (c) 2001, 2002 ArtLebedev Group (http://www.artlebedev.com)
         Author: Alexander Petrosyan <paf@design.ru> (http://paf.design.ru)          Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru)
   
         $Id$          $Id$
 */  */
   
   #include "pa_config_includes.h"
   
   #ifdef XML
   //#include "libxml/parser.h"
   //#include "libxslt/xslt.h"
   //#include "libxslt/libxslt.h"
   #include "libxslt/extensions.h"
   #include "libxslt/xsltutils.h"
   #include "libexslt/exslt.h"
   #endif
   
 #include "pa_globals.h"  #include "pa_globals.h"
 #include "pa_string.h"  #include "pa_string.h"
 #include "pa_hash.h"  #include "pa_hash.h"
 #include "pa_sql_driver_manager.h"  #include "pa_sql_driver_manager.h"
 #include "pa_dictionary.h"  #include "pa_dictionary.h"
 //#include "pa_stylesheet_manager.h"  #include "pa_stylesheet_manager.h"
 #include "pa_sapi.h"  #include "pa_sapi.h"
 #include "pa_cache_managers.h"  #include "pa_cache_managers.h"
 #include "pa_charsets.h"  #include "pa_charsets.h"
 #include "pa_charset.h"  #include "pa_charset.h"
   #include "pa_threads.h"
   
 #ifdef DB2  #ifdef DB2
 #include "pa_db_manager.h"  #include "pa_db_manager.h"
 #endif  #endif
   
 #ifdef XML  
 //#include "libxml/parser.h"  
 //#include "libxslt/xslt.h"  
 //#include "libxslt/libxslt.h"  
 #include "libxslt/extensions.h"  
 #include "libexslt/exslt.h"  
 #endif  
   
 String *content_type_name;  String *content_type_name;
 String *charset_name;  String *charset_name;
 String *body_name;  String *body_name;
Line 79  String *hash_default_element_name; Line 83  String *hash_default_element_name;
   
 Hash *untaint_lang_name2enum;  Hash *untaint_lang_name2enum;
   
 GdomeDOMImplementation *domimpl;  
   
 Charset *utf8_charset;  Charset *utf8_charset;
   
 short hex_value[0x100];  short hex_value[0x100];
   
   #ifdef XML
   GdomeDOMImplementation *domimpl;
   #endif
   
 static void setup_hex_value() {  static void setup_hex_value() {
         memset(hex_value, 0, sizeof(hex_value));          memset(hex_value, 0, sizeof(hex_value));
         hex_value['0'] = 0;               hex_value['0'] = 0;     
Line 111  static void setup_hex_value() { Line 117  static void setup_hex_value() {
         hex_value['f'] = 15;          hex_value['f'] = 15;
 }  }
   
   #ifdef XML
   
   const int MAX_CONCURRENT_XML_GENERIC_ERROR_THREADS=10;
   
   struct XML_Generic_error_info {
           pa_thread_t thread_id;
           char *message;
   } xml_generic_error_infos[MAX_CONCURRENT_XML_GENERIC_ERROR_THREADS];
   
   XML_Generic_error_info *xml_generic_error_info(pa_thread_t thread_id) {
           for(int i=0; i<MAX_CONCURRENT_XML_GENERIC_ERROR_THREADS; i++) {
                   XML_Generic_error_info *p=xml_generic_error_infos+i;
                   if(p->thread_id==thread_id)
                           return p;
           }
           return 0;
   }
   
   static void
   xmlParserGenericErrorFunc(void *ctx, const char *msg, ...) { 
       pa_thread_t thread_id=pa_get_thread_id();
   
           // infinitely looking for free slot to fill it
           while(true) {
                   SYNCHRONIZED;  // find+fill blocked
   
                   // first try to get existing for this thread_id
                   XML_Generic_error_info *p=xml_generic_error_info(thread_id);
                   if(!p) { // occupy empty one
                           p=xml_generic_error_info(0);
                           if(!p) // wait for empty for it to appear
                                   continue;
                   }
   
                   p->thread_id=thread_id;
                   size_t offset=p->message?strlen(p->message):0;
                   p->message=(char *)realloc(p->message, offset+MAX_STRING);
                   if(!p->message)
                           SAPI::die(
                                   "out of memory in 'xmlParserGenericErrorFunc', failed to reallocate to %u bytes", 
                                   offset+MAX_STRING);
                   
                   va_list args;
                   va_start(args, msg);
                   vsnprintf(p->message+offset, MAX_STRING, msg, args);
                   va_end(args);
   
                   break;
           }
   }
   
   bool xmlHaveGenericErrors() {
       pa_thread_t thread_id=pa_get_thread_id();
   
           SYNCHRONIZED;  // find blocked
   
           return xml_generic_error_info(thread_id)!=0;
   }
   
   const char *xmlGenericErrors() {
       pa_thread_t thread_id=pa_get_thread_id();
   
           SYNCHRONIZED;  // find+free blocked
   
           XML_Generic_error_info *p=xml_generic_error_info(thread_id);
           if(!p) // no errors for our thread_id registered
                   return 0;
   
           const char *result=p->message;
   
           // free slot up 
           memset(p, 0, sizeof(*p));
   
           // it is up to caller to free it
           return result;
   }
   
   /**
    * xmlFileMatchWithLocalhostEqDocumentRoot:
    * filename:  the URI for matching
    *
    * check if the URI matches an HTTP one
    *
    * Returns 1 if matches, 0 otherwise
    */
   static int
   xmlFileMatchLocalhost(const char *filename) {
       if (!strncmp(filename, "http://localhost", 16))
           return(1);
       return(0);
   }
   
   
   /**
    * xmlFileOpenHttpLocalhost :
    * filename:  the URI for matching
    *
    * http://localhost/abc -> $ENV{DOCUMENT_ROOT}/abc | ./abc
    *
    * input from FILE *, supports compressed input
    * if filename is " " then the standard input is used
    *
    * Returns an I/O context or NULL in case of error
    */
   static void *
   xmlFileOpenLocalhost (const char *filename) {
       FILE *fd;
       const char* documentRoot;
       char path[1000];
   
           path[0]=0;
           strcat(path, (documentRoot=getenv("DOCUMENT_ROOT"))?documentRoot:".");
           strcat(path, &filename[16]);
   
   #ifdef WIN32
       fd = fopen(path, "rb");
   #else
       fd = fopen(path, "r");
   #endif /* WIN32 */
       return((void *) fd);
   }
   
   /**
    * xmlFileRead:
    * @context:  the I/O context
    * @buffer:  where to drop data
    * @len:  number of bytes to write
    *
    * Read @len bytes to @buffer from the I/O channel.
    *
    * Returns the number of bytes written
    */
   static int
   xmlFileRead (void * context, char * buffer, int len) {
       return(fread(&buffer[0], 1,  len, (FILE *) context));
   }
   
   /**
    * xmlFileWrite:
    * @context:  the I/O context
    * @buffer:  where to drop data
    * @len:  number of bytes to write
    *
    * Write @len bytes from @buffer to the I/O channel.
    *
    * Returns the number of bytes written
    */
   static int
   xmlFileWrite (void * context, const char * buffer, int len) {
       return(fwrite(&buffer[0], 1,  len, (FILE *) context));
   }
   
   /**
    * xmlFileClose:
    * @context:  the I/O context
    *
    * Close an I/O channel
    */
   static int
   xmlFileClose (void * context) {
       return ( ( fclose((FILE *) context) == EOF ) ? -1 : 0 );
   }
   
   #endif
   
 void pa_globals_destroy(void *) {  void pa_globals_destroy(void *) {
         try {          try {
 #ifdef XML  #ifdef XML
Line 127  void pa_globals_destroy(void *) { Line 298  void pa_globals_destroy(void *) {
         }          }
 }  }
   
   /// @test hint on one should call this for each thread xmlSubstituteEntitiesDefault(1);
 void pa_globals_init(Pool& pool) {  void pa_globals_init(Pool& pool) {
         pool.register_cleanup(pa_globals_destroy, 0);          pool.register_cleanup(pa_globals_destroy, 0);
   
Line 212  void pa_globals_init(Pool& pool) { Line 383  void pa_globals_init(Pool& pool) {
         charsets->put(*charset_UTF8_name,           charsets->put(*charset_UTF8_name, 
                 utf8_charset=NEW Charset(pool, *charset_UTF8_name, 0/*no file=system*/));                  utf8_charset=NEW Charset(pool, *charset_UTF8_name, 0/*no file=system*/));
   
   
         // Status registration, must be initialized before all registrants          // Status registration, must be initialized before all registrants
         cache_managers=NEW Cache_managers(pool);          cache_managers=NEW Cache_managers(pool);
   
Line 239  void pa_globals_init(Pool& pool) { Line 411  void pa_globals_init(Pool& pool) {
     /*      /*
      * disable CDATA from being built in the document tree       * disable CDATA from being built in the document tree
      */       */
     xmlDefaultSAXHandler.cdataBlock = NULL;      // never added yet  xmlDefaultSAXHandler.cdataBlock = NULL;
   
           /*
            * Initialization function for the XML parser.
            * This is not reentrant. Call once before processing in case of
            * use in multithreaded programs.
           */
           xmlInitParser();
   
           // 1. this is needed for proper parsing of stylesheets
           // there were a situation where honest entity ruined innocent xpath compilation
           // doc says "you sould turn it on on stylesheet load" without deepening into details
           // 2. when dom tree with entites goes under transform text nodes 
           // got [erroreosly] cut on first entity occurance
           // --
           // that is why this is:
           xmlSubstituteEntitiesDefault(1);
           
           // Bit in the loadsubset context field to tell to do ID/REFs lookups 
           xmlLoadExtDtdDefaultValue |= XML_DETECT_IDS;
           // Bit in the loadsubset context field to tell to do complete the elements attributes lists 
           // with the ones defaulted from the DTDs 
       //never added yet xmlLoadExtDtdDefaultValue |= XML_COMPLETE_ATTRS;
   
   //regretfully this not only replaces entities on parse, but also on generate    xmlSubstituteEntitiesDefault(1);
           // never switched this on xmlIndentTreeOutput=1;
   
           memset(xml_generic_error_infos, 0, sizeof(xml_generic_error_infos));
           xmlSetGenericErrorFunc(0, xmlParserGenericErrorFunc);
           xsltSetGenericErrorFunc(0, xmlParserGenericErrorFunc);
   //      FILE *f=fopen("y:\\xslt.log", "wt");
   //      xsltSetGenericDebugFunc(f/*stderr*/, 0);
   
           // http://localhost/abc -> $ENV{DOCUMENT_ROOT}/abc | ./abc
           xmlRegisterInputCallbacks(
                   xmlFileMatchLocalhost, xmlFileOpenLocalhost,
                   xmlFileRead, xmlFileClose);
   
 /*  
         // XSLT stylesheet manager          // XSLT stylesheet manager
         cache_managers->put(*NEW String(pool, "stylesheet"),           cache_managers->put(*NEW String(pool, "stylesheet"), 
                 stylesheet_manager=NEW Stylesheet_manager(pool));                  stylesheet_manager=NEW Stylesheet_manager(pool));
                 */  
 #endif  #endif
 }  }
   
 #if defined(XML) && defined(_MSC_VER)  #if defined(XML) && defined(_MSC_VER)
 #       define XML_LIBS "/parser3project/win32xml"  #       define XML_LIBS "/parser3project/win32xml"
 #       pragma comment(lib, XML_LIBS "/glib/lib/libglib-1.3-11.lib")  #       pragma comment(lib, XML_LIBS "/glib/lib/libglib-1.3-11.lib")
 #       pragma comment(lib, XML_LIBS "/libxml2-2.4.12/win32/dsp/libxml2_so/libxml2.lib")  
 #       pragma comment(lib, XML_LIBS "/libxslt-1.0.9/win32/dsp/libexslt_so/libexslt.lib")  
 #       pragma comment(lib, XML_LIBS "/libxslt-1.0.9/win32/dsp/libxslt_a/libxslt.lib")  
 #       ifdef _DEBUG  #       ifdef _DEBUG
 #               pragma comment(lib, XML_LIBS "/gdome2-0.7.0/win32/dsp/Debug/gdome.lib")  #               pragma comment(lib, XML_LIBS "/libxml2-x.x.x/win32/dsp/libxml2_so_debug/libxml2.lib")
   #               pragma comment(lib, XML_LIBS "/libxslt-x.x.x/win32/dsp/libexslt_so_debug/libexslt.lib")
   #               pragma comment(lib, XML_LIBS "/libxslt-x.x.x/win32/dsp/libxslt_so_debug/libxslt.lib")
   #               pragma comment(lib, XML_LIBS "/gdome2-x.x.x/win32/dsp/Debug/libgdome.lib")
 #       else  #       else
 #               pragma comment(lib, XML_LIBS "/gdome2-0.7.0/win32/dsp/Release/gdome.lib")  #               pragma comment(lib, XML_LIBS "/libxml2-x.x.x/win32/dsp/libxml2_so_release/libxml2.lib")
   #               pragma comment(lib, XML_LIBS "/libxslt-x.x.x/win32/dsp/libexslt_so_release/libexslt.lib")
   #               pragma comment(lib, XML_LIBS "/libxslt-x.x.x/win32/dsp/libxslt_so_release/libxslt.lib")
   #               pragma comment(lib, XML_LIBS "/gdome2-x.x.x/win32/dsp/Release/libgdome.lib")
 #       endif  #       endif
 #endif  #endif
   
Removed from v.1.97  
changed lines
  Added in v.1.115

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