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Diff for /parser3/src/main/pa_globals.C between versions 1.18 and 1.186

version 1.18, 2001/03/19 21:39:34 version 1.186, 2010/11/24 00:44:09
Line 1 Line 1
 /** @file  /** @file
         Parser: globals.          Parser: globals.
   
         Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com)          Copyright (c) 2001-2005 ArtLebedev Group (http://www.artlebedev.com)
           Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru)
   */
   
         Author: Alexander Petrosyan <paf@design.ru> (http://design.ru/paf)  static const char * const IDENT_GLOBALS_C="$Date$";
   
         $Id$  #include "pa_config_includes.h"
 */  
   #ifdef XML
   #include "libxml/xmlversion.h"
   #include "libxslt/extensions.h"
   #include "libxslt/xsltutils.h"
   extern "C" {
   #include "libexslt/exslt.h"
   };
   #endif
   
 #include "pa_globals.h"  #include "pa_globals.h"
 #include "_string.h"  #include "pa_string.h"
 #include "_double.h"  #include "pa_sapi.h"
 #include "_int.h"  #include "pa_threads.h"
 #include "_table.h"  #include "pa_xml_io.h"
 #include "_form.h"  #include "pa_common.h"
 #include "_env.h"  
 #include "_request.h"  #include "pa_cache_managers.h"
 #include "_response.h"  
 #include "_cookie.h"  #include "pcre.h"
 #include "_file.h"  
   
 Service_funcs service_funcs;  
   
 String *content_type_name;  
 String *body_name;  
 String *value_name;  
 String *expires_name;  
 String *path_name;  
 String *name_name;  
 String *size_name;  
 String *text_name;  
   
 String *exception_method_name;  
   
 String *unnamed_name;  
 String *empty_string;  
   
 String *auto_method_name;  
 String *main_method_name;  
   
 String *root_class_name;  
 String *main_class_name;  
 String *env_class_name;  
 String *table_class_name;  
 String *form_class_name;  
 String *request_class_name;  
 String *response_class_name;  
 String *cookie_class_name;  
   
 String *result_var_name;  // defines
   
 String *limits_name;  //#define PA_DEBUG_XML_GC_MEMORY
 String *post_max_size_name;  
   
 String *defaults_name;  //20051130 trying to remove this, author claims that fixed a lot there // 20040920 for now both workarounds needed. wait for new libxml/xsl versions
   // // there is a problem with testcase, it's unstable. 
   // // see paf@six/bug20040920/cgi-bin/t for it-showed-bug-on-20040920-day
   // #define PA_WORKAROUND_BUGGY_FREE_IN_LIBXML_GC_MEMORY
   // #define PA_WORKAROUND_BUGGY_MALLOCATOMIC_IN_LIBXML_GC_MEMORY
   
 Hash *untaint_lang_name2enum;  // globals
   
 short hex_value[0x100];  short hex_value[0x100];
   
 static void setup_hex_value() {  static void setup_hex_value() {
         int i;          memset(hex_value, 0, sizeof(hex_value));
         for (i=0; (i < 0x100); i++) {  
                 hex_value[i] = 0;  
         }  
         hex_value['0'] = 0;               hex_value['0'] = 0;     
         hex_value['1'] = 1;               hex_value['1'] = 1;     
         hex_value['2'] = 2;               hex_value['2'] = 2;     
Line 88  static void setup_hex_value() { Line 69  static void setup_hex_value() {
         hex_value['f'] = 15;          hex_value['f'] = 15;
 }  }
   
 void globals_init(Pool& pool) {  THREAD_LOCAL Request* thread_request=NULL;
   
   void pa_register_thread_request(Request& r) {
           thread_request=&r;
   }
   /// retrives request set by pa_set_request function, useful in contextless places [slow]
   Request& pa_thread_request() {
           return *thread_request;
   }
   
   #ifdef PA_RELEASE_ASSERTS
   void pa_release_assert(const char* str, const char* file, int line) {
           SAPI::die("%s at %s:%d", str, file, line); 
   }
   #endif
   
   
   #ifdef XML
   
   class XML_Generic_error_info {
   public:/*internal, actually*/
           char buf[MAX_STRING*5];
           size_t used;
   public:
           XML_Generic_error_info() {
                   buf[used=0]=0;
           }
           const char* get() {
                   return used? buf: 0;
           }
   };
   
   THREAD_LOCAL XML_Generic_error_info* xml_generic_error_info = NULL;
   
   static void xmlParserGenericErrorFunc(void *  /*ctx*/, const char* msg, ...) { 
           XML_Generic_error_info* p;
           
           if(!(p=xml_generic_error_info)) // occupy empty one
                   p=xml_generic_error_info=new(PointerFreeGC) XML_Generic_error_info;
                   
           va_list args;
           va_start(args, msg);
           p->used+=vsnprintf(p->buf+p->used, sizeof(p->buf)-p->used, msg, args);
           va_end(args);
   }
   
   bool xmlHaveGenericErrors() {
           return xml_generic_error_info!=0;
   }
   
   const char* xmlGenericErrors() {
           if(XML_Generic_error_info *p=xml_generic_error_info) {
                   xml_generic_error_info=0;
                   return p->get();
           }
   
           return 0; // no errors for our thread_id registered
   }
   
   #endif
   
   #ifdef XML
   
   static char *pa_GC_strdup(const char *s) {
           if(!s)
                   return 0;
   
           size_t size=strlen(s)+1;
           char *result=(char *)GC_MALLOC_ATOMIC(size);
           if(!result)
                   pa_fail_alloc("duplicate XML string",size);
   
           memcpy(result, s, size);
   #ifdef PA_DEBUG_XML_GC_MEMORY
           fprintf(stderr, "pa_GC_strdup(%p=%s, length=%d)=0x%p\n", s, s, size, result);
   #endif
           return result;
   }
   
   #ifdef PA_DEBUG_XML_GC_MEMORY
   void *pa_look_for[]={(void*)0x84ba980,(void*)0x8969460,(void*)0x0,(void*)0x0,
                           (void*)0x0,(void*)0x0,(void*)0x0,(void*)0x0};
   bool pa_looked(void*p) {
           for(int i=0; i<8; i++)
                   if(pa_look_for[i]==p) {
                           __asm__("int $3");
                           return true;
                   }
           if((((int)p)&~0xFF)==0x89a7700) {
                   __asm__("int $3");
                   return true;
           }
           return false;
   }
   static void* pa_gc_malloc_log(size_t size){
           void *p=pa_gc_malloc(size);
           fprintf(stderr, "pa_gc_malloc_log(%d)=0x%p\n", size, p);
           if(pa_looked(p))
                   fprintf(stderr,"catched debug malloc(%d)=0x%p\n", size, p);
           return p;
           
   }
   static void* pa_gc_malloc_atomic_log(size_t size){
   #ifdef PA_WORKAROUND_BUGGY_MALLOCATOMIC_IN_LIBXML_GC_MEMORY
           void *p=pa_gc_malloc(size);
           fprintf(stderr, "pa_gc_malloc_atomicFAKE_log(%d)=0x%p\n", size, p);
   #else
           void *p=pa_gc_malloc_atomic(size);
           fprintf(stderr, "pa_gc_malloc_atomic_log(%d)=0x%p\n", size, p);
   #endif
           if(pa_looked(p))
                   fprintf(stderr,"catched debug malloc atomic(%d)=0x%p\n", size, p);
           return p;
   }
   static void* pa_gc_realloc_log(void *ptr, size_t size){
           void *p=pa_gc_realloc(ptr, size);
           fprintf(stderr, "pa_gc_realloc_log(0x%p, %d)=0x%p\n", ptr, size, p);
           if(pa_looked(p))
                   fprintf(stderr,"catched debug realloc(%d)=0x%p\n", size, p);
           return p;
   }
   static void pa_gc_free_log(void *p){
   #ifdef PA_WORKAROUND_BUGGY_FREE_IN_LIBXML_GC_MEMORY
           fprintf(stderr, "pa_gc_freeIGNORE_log(0x%p)\n", p);
   #else
           fprintf(stderr, "pa_gc_free_log(0x%p)\n", p);
   #endif
           if(pa_looked(p))
                   fprintf(stderr,"catched debug free(0x%p)\n", p);
   #ifndef PA_WORKAROUND_BUGGY_FREE_IN_LIBXML_GC_MEMORY
           pa_gc_free(p);
   #endif
   }
   #else
   
   inline void *check(void *result, const char *where, size_t size) {
           if(!result)
                   pa_fail_alloc(where, size);
   
           return result;
   }
   static void* pa_gc_malloc_nonull(size_t size) { 
           return check(pa_gc_malloc(size), "allocate XML compsite memory", size);
   }
   static void* pa_gc_malloc_atomic_nonull(size_t size) { 
   #ifdef PA_WORKAROUND_BUGGY_MALLOCATOMIC_IN_LIBXML_GC_MEMORY
           return check(pa_gc_malloc(size), "allocate XML composite memory (asked atomic)", size);
   #else
           return check(pa_gc_malloc_atomic(size), "allocate XML atomic memory", size);
   #endif
   }
   static void* pa_gc_realloc_nonull(void* ptr, size_t size) { 
           return check(pa_gc_realloc(ptr, size), "reallocate XML memory", size);
   }
   
   static void pa_gc_free_maybeignore(
           void* 
   #ifndef PA_WORKAROUND_BUGGY_FREE_IN_LIBXML_GC_MEMORY
                   ptr
   #endif
           ) {
   #ifndef PA_WORKAROUND_BUGGY_FREE_IN_LIBXML_GC_MEMORY
           pa_gc_free(ptr);
   #endif
   }
   
   #endif
   #endif
   
   void pa_CORD_oom_fn(void) {
           pa_fail_alloc("expand string", 0);
   }
   
   /**
           @todo gc: libltdl: substitute lt_dlmalloc & co
   */
   static void gc_substitute_memory_management_functions() {
           // in libxml & libxslt
   #ifdef XML
           // asking to use GC memory
   #if LIBXML_VERSION >= 20507
   #ifdef PA_DEBUG_XML_GC_MEMORY
           xmlGcMemSetup(
                   /*xmlFreeFunc */pa_gc_free_log,
                   /*xmlMallocFunc */pa_gc_malloc_log,
                   /*xmlMallocFunc */pa_gc_malloc_atomic_log,
                   /*xmlReallocFunc */pa_gc_realloc_log,
                   /*xmlStrdupFunc */pa_GC_strdup);
   #else
           xmlGcMemSetup(
                   /*xmlFreeFunc */pa_gc_free_maybeignore,
                   /*xmlMallocFunc */pa_gc_malloc_nonull,
                   /*xmlMallocFunc */pa_gc_malloc_atomic_nonull,
                   /*xmlReallocFunc */pa_gc_realloc_nonull,
                   /*xmlStrdupFunc */pa_GC_strdup);
   #endif
   
   #else
           xmlMemSetup(
                   /*xmlFreeFunc */pa_gc_free_maybeignore,
                   /*xmlMallocFunc */pa_gc_malloc,
                   /*xmlReallocFunc */pa_gc_realloc,
                   /*xmlStrdupFunc */pa_GC_strdup);
   #endif
   
   #endif
   
           // pcre
           pcre_malloc=pa_gc_malloc;
           pcre_free=pa_gc_free;
   
   
           // cord
           CORD_oom_fn=pa_CORD_oom_fn;
   }
   
   /**
           @test hint on one should call this for each thread xmlSubstituteEntitiesDefault(1);
   */
   void pa_globals_init() {
           // global variables 
           cache_managers=new Cache_managers;
   
   
           // in various libraries
           gc_substitute_memory_management_functions();
   
         // hex value          // hex value
         setup_hex_value();          setup_hex_value();
   
         // names  #ifdef XML
         content_type_name=new(pool) String(pool, CONTENT_TYPE_NAME);          // initializing xml libs
         body_name=new(pool) String(pool, BODY_NAME);  
         value_name=new(pool) String(pool, VALUE_NAME);          /*
         expires_name=new(pool) String(pool, EXPIRES_NAME);          * Register the EXSLT extensions and the test module
         path_name=new(pool) String(pool, PATH_NAME);          */
         name_name=new(pool) String(pool, NAME_NAME);          exsltRegisterAll();
         size_name=new(pool) String(pool, SIZE_NAME);          xsltRegisterTestModule();
         text_name=new(pool) String(pool, TEXT_NAME);          xmlDefaultSAXHandlerInit();
           /*
         exception_method_name=new(pool) String(pool, EXCEPTION_METHOD_NAME);          * disable CDATA from being built in the document tree
           */
         unnamed_name=new(pool) String(pool, UNNAMED_NAME);          // never added yet  xmlDefaultSAXHandler.cdataBlock = NULL;
         empty_string=new(pool) String(pool);           
           /*
         auto_method_name=new(pool) String(pool, AUTO_METHOD_NAME);           * Initialization function for the XML parser.
         main_method_name=new(pool) String(pool, MAIN_METHOD_NAME);           * This is not reentrant. Call once before processing in case of
            * use in multithreaded programs.
         root_class_name=new(pool) String(pool, ROOT_CLASS_NAME);          */
         main_class_name=new(pool) String(pool, MAIN_CLASS_NAME);          xmlInitParser();
         table_class_name=new(pool) String(pool, TABLE_CLASS_NAME);  
         env_class_name=new(pool) String(pool, ENV_CLASS_NAME);            // 1. this is needed for proper parsing of stylesheets
         form_class_name=new(pool) String(pool, FORM_CLASS_NAME);                  // there were a situation where honest entity ruined innocent xpath compilation
         request_class_name=new(pool) String(pool, REQUEST_CLASS_NAME);            // doc says "you sould turn it on on stylesheet load" without deepening into details
         response_class_name=new(pool) String(pool, RESPONSE_CLASS_NAME);          // 2. when dom tree with entites goes under transform text nodes 
         cookie_class_name=new(pool) String(pool, COOKIE_CLASS_NAME);          // got [erroreosly] cut on first entity occurance
           // --
         result_var_name=new(pool) String(pool, RESULT_VAR_NAME);          // that is why this is:
           xmlSubstituteEntitiesDefault(1);
           
         limits_name=new(pool) String(pool, LIMITS_NAME);          // Bit in the loadsubset context field to tell to do ID/REFs lookups 
         post_max_size_name=new(pool) String(pool, POST_MAX_SIZE_NAME);          xmlLoadExtDtdDefaultValue |= XML_DETECT_IDS;
           // Bit in the loadsubset context field to tell to do complete the elements attributes lists 
         defaults_name=new(pool) String(pool, DEFAULTS_NAME);          // with the ones defaulted from the DTDs 
           xmlLoadExtDtdDefaultValue |= XML_COMPLETE_ATTRS;
         // hashes  
         untaint_lang_name2enum=new(pool) Hash(pool);          // validate each document after load/create (?)
         String as_is(pool, "as-is");            //xmlDoValidityCheckingDefaultValue = 1;
         untaint_lang_name2enum->put(as_is, (int)String::Untaint_lang::AS_IS);  
         String header(pool, "header");    //regretfully this not only replaces entities on parse, but also on generate    xmlSubstituteEntitiesDefault(1);
         untaint_lang_name2enum->put(header, (int)String::Untaint_lang::HEADER);          // never switched this on xmlIndentTreeOutput=1;
         String uri(pool, "uri");    
         untaint_lang_name2enum->put(uri, (int)String::Untaint_lang::URI);          xmlSetGenericErrorFunc(0, xmlParserGenericErrorFunc);
         String table(pool, "table");          xsltSetGenericErrorFunc(0, xmlParserGenericErrorFunc);
         untaint_lang_name2enum->put(table, (int)String::Untaint_lang::TABLE);  //      FILE *f=fopen("y:\\xslt.log", "wt");
         String sql(pool, "sql");  //      xsltSetGenericDebugFunc(f/*stderr*/, 0);
         untaint_lang_name2enum->put(sql, (int)String::Untaint_lang::SQL);  
         String js(pool, "js");          pa_xml_io_init();
         untaint_lang_name2enum->put(js, (int)String::Untaint_lang::JS);  #endif
         String html(pool, "html");  }
         untaint_lang_name2enum->put(html, (int)String::Untaint_lang::HTML);  
         String html_typo(pool, "html-typo");  void pa_globals_done() {
         untaint_lang_name2enum->put(html_typo, (int)String::Untaint_lang::HTML_TYPO);          delete cache_managers;  cache_managers=0;
   
         // read-only stateless classes  
         initialize_string_class(pool, *(string_class=new(pool) VStateless_class(pool)));  string_class->freeze();  
         initialize_double_class(pool, *(double_class=new(pool) VStateless_class(pool)));  double_class->freeze();  
         initialize_int_class(pool, *(int_class=new(pool) VStateless_class(pool)));  int_class->freeze();  
         initialize_table_class(pool, *(table_class=new(pool) VStateless_class(pool)));  table_class->freeze();  
         initialize_file_class(pool, *(file_class=new(pool) VStateless_class(pool)));  file_class->freeze();  
   
         // read-only stateless base classes  
         initialize_env_base_class(pool, *(env_base_class=new(pool) VStateless_class(pool)));  env_base_class->set_name(*env_class_name);  env_base_class->freeze();  
         initialize_form_base_class(pool, *(form_base_class=new(pool) VStateless_class(pool)));  form_base_class->set_name(*form_class_name);  form_base_class->freeze();  
         initialize_request_base_class(pool, *(request_base_class=new(pool) VStateless_class(pool)));  request_base_class->set_name(*request_class_name);  request_base_class->freeze();  
         initialize_response_base_class(pool, *(response_base_class=new(pool) VStateless_class(pool)));  response_base_class->set_name(*response_class_name);  response_base_class->freeze();  
         initialize_cookie_base_class(pool, *(cookie_base_class=new(pool) VStateless_class(pool)));  cookie_base_class->set_name(*cookie_class_name);  cookie_base_class->freeze();  
 }  }
   
   #ifdef _MSC_VER
   
   #ifndef PA_DEBUG_DISABLE_GC
   #       define GC_LIB "../../../../win32/gc"
   #       ifdef _DEBUG
   #               pragma comment(lib, GC_LIB "/Debug/gc.lib")
   #       else
   #               pragma comment(lib, GC_LIB "/Release/gc.lib")
   #       endif
   
   #endif
   
   #define GNOME_LIBS "../../../../win32/gnome"
   
   #ifdef WITH_MAILRECEIVE
   #       pragma comment(lib, GNOME_LIBS "/glib/lib/libglib-1.3-11.lib")
   #endif
   
   #ifdef XML
   #       ifdef _DEBUG
   
   #               ifdef LIBXML_STATIC
   #                       pragma comment(lib, GNOME_LIBS "/libxml2-x.x.x/win32/debug/lib/libxml2_a.lib")
   #               else
   #                       pragma comment(lib, GNOME_LIBS "/libxml2-x.x.x/win32/debug/lib/libxml2.lib")
   #               endif
   
   #               ifdef LIBXSLT_STATIC
   #                       pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/debug/lib/libxslt_a.lib")
   #               else
   #                       pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/debug/lib/libxslt.lib")
   #               endif
   #               ifdef LIBEXSLT_STATIC
   #                       pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/debug/lib/libexslt_a.lib")
   #               else
   #                       pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/debug/lib/libexslt.lib")
   #               endif
   
   #else
   
   #               ifdef LIBXML_STATIC
   #                       pragma comment(lib, GNOME_LIBS "/libxml2-x.x.x/win32/release/lib/libxml2_a.lib")
   #               else
   #                       pragma comment(lib, GNOME_LIBS "/libxml2-x.x.x/win32/release/lib/libxml2.lib")
   #               endif
   
   #               ifdef LIBXSLT_STATIC
   #                       pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/release/lib/libxslt_a.lib")
   #               else
   #                       pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/release/lib/libxslt.lib")
   #               endif
   #               ifdef LIBEXSLT_STATIC
   #                       pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/release/lib/libexslt_a.lib")
   #               else
   #                       pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/release/lib/libexslt.lib")
   #               endif
   
   #       endif
   #endif
   
   #endif
Removed from v.1.18  
changed lines
  Added in v.1.186

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