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Diff for /parser3/src/main/pa_globals.C between versions 1.90 and 1.193

version 1.90, 2001/11/08 11:04:13 version 1.193, 2015/05/30 22:55:29
Line 1 Line 1
 /** @file  /** @file
         Parser: globals.          Parser: globals.
   
         Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com)          Copyright (c) 2001-2012 Art. Lebedev Studio (http://www.artlebedev.com)
         Author: Alexander Petrosyan <paf@design.ru> (http://paf.design.ru)          Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru)
   
         $Id$  
 */  */
   
 #include "pa_globals.h"  #include "pa_config_includes.h"
 #include "pa_string.h"  
 #include "pa_hash.h"  
 #include "pa_sql_driver_manager.h"  
 #include "pa_dictionary.h"  
 #include "pa_stylesheet_manager.h"  
 #include "pa_charset_manager.h"  
 #include "pa_sapi.h"  
 #include "pa_cache_managers.h"  
   
 #ifdef DB2  #ifdef XML
 #include "pa_db_manager.h"  #include "libxml/xmlversion.h"
   #include "libxslt/extensions.h"
   #include "libxslt/xsltutils.h"
   extern "C" {
   #include "libexslt/exslt.h"
   }
 #endif  #endif
   
 String *user_html_name;  #include "pa_globals.h"
 String *content_type_name;  #include "pa_string.h"
 String *charset_name;  #include "pa_sapi.h"
 String *body_name;  #include "pa_threads.h"
 String *value_name;  #include "pa_xml_io.h"
 String *expires_name;  #include "pa_common.h"
 String *path_name;  
 String *name_name;  
 String *size_name;  
 String *text_name;  
   
 String *exception_method_name;  
 String *post_process_method_name;  
   
 String *content_disposition_name;  
 String *content_disposition_filename_name;  
   
 String *unnamed_name;  
   
 String *auto_method_name;  
 String *main_method_name;  
   
 String *main_class_name;  
   
 String *result_var_name;  
 String *match_var_name;  
 String *string_pre_match_name;  
 String *string_match_name;  
 String *string_post_match_name;  
   
 String *defaults_name;  #include "pa_cache_managers.h"
 String *charsets_name;  
 String *mime_types_name;  
 String *vfile_mime_type_name;  
 String *origins_mode_name;  
   
 String *class_path_name;  #include "ltdl.h"
   #include "pcre.h"
   
 String *switch_data_name;  volatile const char * IDENT_PA_GLOBALS_C="$Id$" IDENT_PA_GLOBALS_H IDENT_PA_SAPI_H;
 String *case_default_value;  
   
 String *sql_limit_name;  // defines
 String *sql_offset_name;  
 String *sql_default_name;  
   
 String *hash_default_element_name;  //#define PA_DEBUG_XML_GC_MEMORY
   
 Hash *untaint_lang_name2enum;  //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
   
 Dictionary *default_typo_dict;  // globals
   
 short hex_value[0x100];  short hex_value[0x100];
   
Line 100  static void setup_hex_value() { Line 70  static void setup_hex_value() {
         hex_value['f'] = 15;          hex_value['f'] = 15;
 }  }
   
 void pa_globals_destroy(void *) {  THREAD_LOCAL Request* thread_request=NULL;
         try {  
                 // SQL driver manager  void pa_register_thread_request(Request& r) {
                 if(SQL_driver_manager)          thread_request=&r;
                         SQL_driver_manager->~SQL_Driver_manager();  }
   /// retrives request set by pa_set_request function, useful in contextless places [slow]
   Request& pa_thread_request() {
           return *thread_request;
   }
   
   
   #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;
                                   
 #ifdef DB2          va_list args;
                 // DB driver manager          va_start(args, msg);
                 if(DB_manager)          p->used+=vsnprintf(p->buf+p->used, sizeof(p->buf)-p->used, msg, args);
                         DB_manager->~DB_Manager();          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  #endif
                   
 #ifdef XML  #ifdef XML
                 // XSLT stylesheet driver manager  
                 if(stylesheet_manager)  static char *pa_GC_strdup(const char *s) {
                         stylesheet_manager->~Stylesheet_manager();          if(!s)
                   return 0;
   
           size_t size=strlen(s)+1;
           char *result=(char *)pa_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  #endif
                           return result;
                 // Charset manager   }
                 if(charset_manager)  
                         charset_manager->~Charset_manager();  
   
         } catch(const Exception& e) {  #ifdef PA_DEBUG_XML_GC_MEMORY
                 SAPI::die("pa_globals_destroy failed: %s", e.comment());  
         }  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);
           return p;
           
 }  }
   
   static void* pa_gc_malloc_atomic_log(size_t size){
           void *p=pa_gc_malloc_atomic(size);
           fprintf(stderr, "pa_gc_malloc_atomic_log(%d)=0x%p\n", size, p);
           return p;
   }
   
 void pa_globals_init(Pool& pool) {  static void* pa_gc_realloc_log(void *ptr, size_t size){
         pool.register_cleanup(pa_globals_destroy, 0);          void *p=pa_gc_realloc(ptr, size);
           fprintf(stderr, "pa_gc_realloc_log(0x%p, %d)=0x%p\n", ptr, size, p);
           return p;
   }
   
         #undef NEW  static void pa_gc_free_log(void *p){
         #define NEW new(pool)          fprintf(stderr, "pa_gc_free_log(0x%p)\n", p);
           pa_gc_free(p);
   }
   
   #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) { 
           return check(pa_gc_malloc_atomic(size), "allocate XML atomic memory", size);
   }
   
   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* ptr) {
           pa_gc_free(ptr);
   }
   
   #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
   #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
   
   #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
         user_html_name=NEW String(pool, USER_HTML_NAME);          // initializing xml libs
         content_type_name=NEW String(pool, CONTENT_TYPE_NAME);  
         charset_name=NEW String(pool, CHARSET_NAME);          // Register the EXSLT extensions and the test module
         body_name=NEW String(pool, BODY_NAME);          exsltRegisterAll();
         value_name=NEW String(pool, VALUE_NAME);          xsltRegisterTestModule();
         expires_name=NEW String(pool, EXPIRES_NAME);          xmlDefaultSAXHandlerInit();
         path_name=NEW String(pool, PATH_NAME);  
         name_name=NEW String(pool, NAME_NAME);          // disable CDATA from being built in the document tree
         size_name=NEW String(pool, SIZE_NAME);          // never added yet  xmlDefaultSAXHandler.cdataBlock = NULL;
         text_name=NEW String(pool, TEXT_NAME);          
           // Initialization function for the XML parser. This is not reentrant. 
         exception_method_name=NEW String(pool, EXCEPTION_METHOD_NAME);          // Call once before processing in case of use in multithreaded programs.
         post_process_method_name=NEW String(pool, POST_PROCESS_METHOD_NAME);          xmlInitParser();
   
         content_disposition_name=NEW String(pool, CONTENT_DISPOSITION_NAME);          // 1. this is needed for proper parsing of stylesheets
         content_disposition_filename_name=NEW String(pool, CONTENT_DISPOSITION_FILENAME_NAME);          // 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
         unnamed_name=NEW String(pool, UNNAMED_NAME);          // 2. when dom tree with entites goes under transform text nodes 
           // got [erroreosly] cut on first entity occurance
         auto_method_name=NEW String(pool, AUTO_METHOD_NAME);          // --
         main_method_name=NEW String(pool, MAIN_METHOD_NAME);          // that is why this is:
           xmlSubstituteEntitiesDefault(1);
         main_class_name=NEW String(pool, MAIN_CLASS_NAME);          
           // Bit in the loadsubset context field to tell to do ID/REFs lookups 
         result_var_name=NEW String(pool, RESULT_VAR_NAME);          xmlLoadExtDtdDefaultValue |= XML_DETECT_IDS;
         match_var_name=NEW String(pool, MATCH_VAR_NAME);          // Bit in the loadsubset context field to tell to do complete the elements attributes lists 
         string_pre_match_name=NEW String(pool, STRING_PRE_MATCH_NAME);          // with the ones defaulted from the DTDs 
         string_match_name=NEW String(pool, STRING_MATCH_NAME);          xmlLoadExtDtdDefaultValue |= XML_COMPLETE_ATTRS;
         string_post_match_name=NEW String(pool, STRING_POST_MATCH_NAME);  
           // validate each document after load/create (?)
           // xmlDoValidityCheckingDefaultValue = 1;
         defaults_name=NEW String(pool, DEFAULTS_NAME);  
         charsets_name=NEW String(pool, CHARSETS_NAME);          // regretfully this not only replaces entities on parse, but also on generate   xmlSubstituteEntitiesDefault(1);
         mime_types_name=NEW String(pool, MIME_TYPES_NAME);          // never switched this on xmlIndentTreeOutput=1;
         vfile_mime_type_name=NEW String(pool, VFILE_MIME_TYPE_NAME);  
         origins_mode_name=NEW String(pool, ORIGINS_MODE_NAME);          xmlSetGenericErrorFunc(0, xmlParserGenericErrorFunc);
           xsltSetGenericErrorFunc(0, xmlParserGenericErrorFunc);
         class_path_name=NEW String(pool, CLASS_PATH_NAME);  
   //      FILE *f=fopen("y:\\xslt.log", "wt");
         //^switch ^case  //      xsltSetGenericDebugFunc(f/*stderr*/, 0);
         switch_data_name=NEW String(pool, SWITCH_DATA_NAME);  
         case_default_value=NEW String(pool, CASE_DEFAULT_VALUE);          pa_xml_io_init();
   
         // sql  
         sql_limit_name=NEW String(pool, SQL_LIMIT_NAME);  
         sql_offset_name=NEW String(pool, SQL_OFFSET_NAME);  
         sql_default_name=NEW String(pool, SQL_DEFAULT_NAME);  
   
         // hash  
         hash_default_element_name=NEW String(pool, HASH_DEFAULT_ELEMENT_NAME);  
   
   
         // hashes  
         untaint_lang_name2enum=NEW Hash(pool);  
         #define ULN(cstr, LANG) \  
                 untaint_lang_name2enum->put(*NEW String(pool, cstr), (int)String::UL_##LANG);  
         ULN("as-is", AS_IS);  
         ULN("file-spec", FILE_SPEC);  
         ULN("http-header", HTTP_HEADER);  
         ULN("mail-header", MAIL_HEADER);  
         ULN("uri", URI);  
         ULN("table", TABLE);  
         ULN("sql", SQL);  
         ULN("js", JS);  
         ULN("xml", XML);  
         ULN("html", HTML);  
         ULN("user-html", USER_HTML);  
   
         // tables  
         Table *default_typo_table=NEW Table(pool, 0, 0);  
         #define DT_ROW(from, to) { \  
                         Array *row=NEW Array(pool); \  
                         *row+=NEW String(pool, from); \  
                         *row+=NEW String(pool, to); \  
                         *default_typo_table+=row; \  
                 }  
         DT_ROW("<", "&lt;");  
         DT_ROW(">", "&gt;");  
         DT_ROW("\"", "&quot;");  
         DT_ROW("&", "&amp;");  
         DT_ROW("\\n\\n", "<p>");  
         DT_ROW("\\n", "<br>");  
         default_typo_dict=NEW Dictionary(*default_typo_table);  
   
         // Status registration, must be initialized before all registrants  
         cache_managers=NEW Cache_managers(pool);  
   
         // SQL driver manager  
         cache_managers->put(*NEW String(pool, "sql"),   
                 SQL_driver_manager=NEW SQL_Driver_manager(pool));  
   
 #ifdef DB2  
         // DB driver manager  
         cache_managers->put(*NEW String(pool, "db"),   
                 DB_manager=NEW DB_Manager(pool));  
 #endif  #endif
   }
   
   static bool is_dlinited=false;
   
   void pa_globals_done() {
           delete cache_managers;
           cache_managers=0;
   
           if(is_dlinited)
                   lt_dlexit();
   }
   
   void pa_dlinit() {
           if(!is_dlinited){
                   if(lt_dlinit())
                           throw Exception(0,0,"preparation for dynamic library loading failed, %s", lt_dlerror());
                   is_dlinited=true;
           }
   }
   
   #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
   
   
 #ifdef XML  #ifdef XML
         // XSLT stylesheet driver manager  
         cache_managers->put(*NEW String(pool, "stylesheet"),   #define GNOME_LIBS "../../../../win32/gnome"
                 stylesheet_manager=NEW Stylesheet_manager(pool));  
 #endif  #ifdef _DEBUG
   #define LIB_XML GNOME_LIBS "/libxml2-x.x.x/win32/debug/lib/"
         // Charset manager   #define LIB_XSLT GNOME_LIBS "/libxslt-x.x.x/win32/debug/lib/"
         cache_managers->put(*NEW String(pool, "charset"),   #else
                 charset_manager=NEW Charset_manager(pool));  #define LIB_XML GNOME_LIBS "/libxml2-x.x.x/win32/release/lib/"
 }  #define LIB_XSLT GNOME_LIBS "/libxslt-x.x.x/win32/release/lib/"
   
 #if defined(XML) && defined(_MSC_VER)  
 #       define XERCES_BUILD_WIN32_BUILD "/parser3project/win32xml/xml-xerces/c/Build/Win32/VC6"  
 #       define XALAN_BUILD_WIN32_BUILD "/parser3project/win32xml/xml-xalan/c/Build/Win32/VC6"  
 #       ifdef _DEBUG  
 #               pragma comment(lib, XERCES_BUILD_WIN32_BUILD "/Debug/xerces-c_1D.lib")  
 #               pragma comment(lib, XALAN_BUILD_WIN32_BUILD "/Debug/XSLTD.lib")  
 #               pragma comment(lib, XALAN_BUILD_WIN32_BUILD "/Debug/XPathD.lib")  
 #               pragma comment(lib, XALAN_BUILD_WIN32_BUILD "/Debug/XalanTransformerD.lib")  
 #               pragma comment(lib, XALAN_BUILD_WIN32_BUILD "/Debug/XalanDOMD.lib")  
 #               pragma comment(lib, XALAN_BUILD_WIN32_BUILD "/Debug/DOMSupportD.lib")  
 #               pragma comment(lib, XALAN_BUILD_WIN32_BUILD "/Debug/PlatformSupportD.lib")  
 #               pragma comment(lib, XALAN_BUILD_WIN32_BUILD "/Debug/XMLSupportD.lib")  
 #               pragma comment(lib, XALAN_BUILD_WIN32_BUILD "/Debug/XercesParserLiaisonD.lib")  
 #               pragma comment(lib, XALAN_BUILD_WIN32_BUILD "/Debug/XalanSourceTreeD.lib")  
 #       else  
 #               pragma comment(lib, XERCES_BUILD_WIN32_BUILD "/Release/xerces-c_1.lib")  
 #               pragma comment(lib, XALAN_BUILD_WIN32_BUILD "/Release/XalanSourceTree.lib")  
 #               pragma comment(lib, XALAN_BUILD_WIN32_BUILD "/Release/PlatformSupport.lib")  
 #               pragma comment(lib, XALAN_BUILD_WIN32_BUILD "/Release/XalanDOM.lib")  
 #               pragma comment(lib, XALAN_BUILD_WIN32_BUILD "/Release/DOMSupport.lib")  
 #               pragma comment(lib, XALAN_BUILD_WIN32_BUILD "/Release/XalanTransformer.lib")  
 #               pragma comment(lib, XALAN_BUILD_WIN32_BUILD "/Release/XercesParserLiaison.lib")  
 #               pragma comment(lib, XALAN_BUILD_WIN32_BUILD "/Release/XMLSupport.lib")  
 #               pragma comment(lib, XALAN_BUILD_WIN32_BUILD "/Release/XPath.lib")  
 #               pragma comment(lib, XALAN_BUILD_WIN32_BUILD "/Release/XSLT.lib")  
 #       endif  
 #endif  #endif
   
   #ifdef LIBXML_STATIC
   #pragma comment(lib, LIB_XML "libxml2_a.lib")
   #else
   #pragma comment(lib, LIB_XML "libxml2.lib")
   #endif
   
   #ifdef LIBXSLT_STATIC
   #pragma comment(lib, LIB_XSLT "libxslt_a.lib")
   #else
   #pragma comment(lib, LIB_XSLT "libxslt.lib")
   #endif
   
 #if defined(DB2) && defined(_MSC_VER)  #ifdef LIBEXSLT_STATIC
 #       define LIBDB2_WIN32_BUILD "/parser3project/win32db/lib"  #pragma comment(lib, LIB_XSLT "libexslt_a.lib")
 #       ifdef _DEBUG  #else
 #               pragma comment(lib, LIBDB2_WIN32_BUILD "/debug/libdb.lib")  #pragma comment(lib, LIB_XSLT "libexslt.lib")
 #       else  
 #               pragma comment(lib, LIBDB2_WIN32_BUILD "/release/libdb.lib")  
 #       endif  
 #endif  #endif
   
   #endif
   
   #endif
Removed from v.1.90  
changed lines
  Added in v.1.193

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