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version 1.78, 2001/09/26 10:32:26 version 1.196, 2016/05/24 14:28:24
Line 1 Line 1
 /** @file  /** @file
         Parser: globals.          Parser: globals.
   
         Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com)          Copyright (c) 2001-2015 Art. Lebedev Studio (http://www.artlebedev.com)
         Author: Alexander Petrosyan <paf@design.ru> (http://design.ru/paf)          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_xslt_stylesheet_manager.h"  
   
 #ifdef XML  #ifdef XML
 #include <util/PlatformUtils.hpp>  #include "libxml/xmlversion.h"
 #include <XalanTransformer/XalanTransformer.hpp>  #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_sapi.h"
 String *charset_name;  #include "pa_threads.h"
 String *body_name;  #include "pa_xml_io.h"
 String *value_name;  #include "pa_common.h"
 String *expires_name;  #include "pa_symbols.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 *empty_string;  
   
 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;  
 String *ctype_name;  
 String *ctype_white_space_name;  
 String *ctype_digit_name;  
 String *ctype_hex_digit_name;  
 String *ctype_letter_name;  
 String *ctype_word_name;  
 String *ctype_lowercase_name;  
 String *mime_types_name;  
 String *vfile_mime_type_name;  
 String *origins_mode_name;  
   
 String *class_path_name;  #include "pa_cache_managers.h"
   
 String *switch_data_name;  #include "ltdl.h"
 String *case_default_value;  #include "pcre.h"
   
 String *sql_limit_name;  volatile const char * IDENT_PA_GLOBALS_C="$Id$" IDENT_PA_GLOBALS_H IDENT_PA_SAPI_H;
 String *sql_offset_name;  
 String *sql_default_name;  
   
 String *hash_default_element_name;  // defines
   
 Hash *untaint_lang_name2enum;  //#define PA_DEBUG_XML_GC_MEMORY
   
 Dictionary *default_typo_dict;  // globals
   
 short hex_value[0x100];  short hex_value[0x100]={0};
   
 static void setup_hex_value() {  static void setup_hex_value() {
         memset(hex_value, 0, sizeof(hex_value));          hex_value['0'] = 0;
         hex_value['0'] = 0;               hex_value['1'] = 1;
         hex_value['1'] = 1;               hex_value['2'] = 2;
         hex_value['2'] = 2;               hex_value['3'] = 3;
         hex_value['3'] = 3;               hex_value['4'] = 4;
         hex_value['4'] = 4;               hex_value['5'] = 5;
         hex_value['5'] = 5;               hex_value['6'] = 6;
         hex_value['6'] = 6;               hex_value['7'] = 7;
         hex_value['7'] = 7;               hex_value['8'] = 8;
         hex_value['8'] = 8;       
         hex_value['9'] = 9;          hex_value['9'] = 9;
         hex_value['A'] = 10;          hex_value['A'] = 10;
         hex_value['B'] = 11;          hex_value['B'] = 11;
Line 105  static void setup_hex_value() { Line 63  static void setup_hex_value() {
         hex_value['f'] = 15;          hex_value['f'] = 15;
 }  }
   
 void pa_globals_init(Pool& pool) {  THREAD_LOCAL Request* thread_request=NULL;
         #undef NEW  
         #define NEW new(pool)  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 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 // XML
   
   #ifdef XML
   
   static char *pa_GC_strdup(const char *s) {
           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
           return result;
   }
   
   #ifdef PA_DEBUG_XML_GC_MEMORY
   
   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;
   }
   
   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);
           return p;
   }
   
   static void pa_gc_free_log(void *p){
           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 // XML
   
   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 SYMBOLS_CACHING
         user_html_name=NEW String(pool, USER_HTML_NAME);          // symbols cache
         content_type_name=NEW String(pool, CONTENT_TYPE_NAME);          Symbols::init();
         charset_name=NEW String(pool, CHARSET_NAME);  #endif
         body_name=NEW String(pool, BODY_NAME);  
         value_name=NEW String(pool, VALUE_NAME);  #ifdef XML
         expires_name=NEW String(pool, EXPIRES_NAME);          // initializing xml libs
         path_name=NEW String(pool, PATH_NAME);  
         name_name=NEW String(pool, NAME_NAME);          // Register the EXSLT extensions and the test module
         size_name=NEW String(pool, SIZE_NAME);          exsltRegisterAll();
         text_name=NEW String(pool, TEXT_NAME);          xsltRegisterTestModule();
           xmlDefaultSAXHandlerInit();
         exception_method_name=NEW String(pool, EXCEPTION_METHOD_NAME);  
         post_process_method_name=NEW String(pool, POST_PROCESS_METHOD_NAME);          // disable CDATA from being built in the document tree
           // never added yet  xmlDefaultSAXHandler.cdataBlock = NULL;
         content_disposition_name=NEW String(pool, CONTENT_DISPOSITION_NAME);          
         content_disposition_filename_name=NEW String(pool, CONTENT_DISPOSITION_FILENAME_NAME);          // Initialization function for the XML parser. This is not reentrant. 
           // Call once before processing in case of use in multithreaded programs.
         unnamed_name=NEW String(pool, UNNAMED_NAME);          xmlInitParser();
         empty_string=NEW String(pool);   
           // 1. this is needed for proper parsing of stylesheets
         auto_method_name=NEW String(pool, AUTO_METHOD_NAME);          // there were a situation where honest entity ruined innocent xpath compilation
         main_method_name=NEW String(pool, MAIN_METHOD_NAME);          // 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 
         main_class_name=NEW String(pool, MAIN_CLASS_NAME);          // got [erroreosly] cut on first entity occurance
           // --
         result_var_name=NEW String(pool, RESULT_VAR_NAME);          // that is why this is:
         match_var_name=NEW String(pool, MATCH_VAR_NAME);          xmlSubstituteEntitiesDefault(1);
         string_pre_match_name=NEW String(pool, STRING_PRE_MATCH_NAME);          
         string_match_name=NEW String(pool, STRING_MATCH_NAME);          // Bit in the loadsubset context field to tell to do ID/REFs lookups 
         string_post_match_name=NEW String(pool, STRING_POST_MATCH_NAME);          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 
         defaults_name=NEW String(pool, DEFAULTS_NAME);          xmlLoadExtDtdDefaultValue |= XML_COMPLETE_ATTRS;
         ctype_name=NEW String(pool, CTYPE_NAME);  
         ctype_white_space_name=NEW String(pool, CTYPE_WHITE_SPACE_NAME);          // validate each document after load/create (?)
         ctype_digit_name=NEW String(pool, CTYPE_DIGIT_NAME);          // xmlDoValidityCheckingDefaultValue = 1;
         ctype_hex_digit_name=NEW String(pool, CTYPE_HEX_DIGIT_NAME);  
         ctype_letter_name=NEW String(pool, CTYPE_LETTER_NAME);          // regretfully this not only replaces entities on parse, but also on generate   xmlSubstituteEntitiesDefault(1);
         ctype_word_name=NEW String(pool, CTYPE_WORD_NAME);          // never switched this on xmlIndentTreeOutput=1;
         ctype_lowercase_name=NEW String(pool, CTYPE_LOWERCASE_NAME);  
         mime_types_name=NEW String(pool, MIME_TYPES_NAME);          xmlSetGenericErrorFunc(0, xmlParserGenericErrorFunc);
         vfile_mime_type_name=NEW String(pool, VFILE_MIME_TYPE_NAME);          xsltSetGenericErrorFunc(0, xmlParserGenericErrorFunc);
         origins_mode_name=NEW String(pool, ORIGINS_MODE_NAME);  
   //      FILE *f=fopen("xslt.log", "wt");
         class_path_name=NEW String(pool, CLASS_PATH_NAME);  //      xsltSetGenericDebugFunc(f/*stderr*/, 0);
   
         //^switch ^case          pa_xml_io_init();
         switch_data_name=NEW String(pool, SWITCH_DATA_NAME);  #endif
         case_default_value=NEW String(pool, CASE_DEFAULT_VALUE);  }
   
         // sql  static bool is_dlinited=false;
         sql_limit_name=NEW String(pool, SQL_LIMIT_NAME);  
         sql_offset_name=NEW String(pool, SQL_OFFSET_NAME);  void pa_globals_done() {
         sql_default_name=NEW String(pool, SQL_DEFAULT_NAME);          delete cache_managers;
           cache_managers=0;
         // hash  
         hash_default_element_name=NEW String(pool, HASH_DEFAULT_ELEMENT_NAME);          if(is_dlinited)
                   lt_dlexit();
   }
         // hashes  
         untaint_lang_name2enum=NEW Hash(pool);  void pa_dlinit() {
         #define ULN(var, cstr, LANG) \          if(!is_dlinited){
                 String var(pool, cstr); \                  if(lt_dlinit())
                 untaint_lang_name2enum->put(var, (int)String::UL_##LANG);                          throw Exception(0,0,"preparation for dynamic library loading failed, %s", lt_dlerror());
         ULN(as_is, "as-is", AS_IS);                  is_dlinited=true;
         ULN(file_name, "file-spec", FILE_SPEC);          }
         ULN(http_header, "http-header", HTTP_HEADER);  }
         ULN(mail_header, "mail-header", MAIL_HEADER);  
         ULN(uri, "uri", URI);  #ifdef _MSC_VER
         ULN(table, "table", TABLE);  
         ULN(sql, "sql", SQL);  #ifndef PA_DEBUG_DISABLE_GC
         ULN(js, "js", JS);  
         ULN(xml, "xml", XML);  #define GC_LIB "../../../../win32/gc"
         ULN(html, "html", HTML);  #ifdef _DEBUG
         ULN(user_html, "user-html", USER_HTML);  #pragma comment(lib, GC_LIB "/Debug/gc.lib")
   #else
         // tables  #pragma comment(lib, GC_LIB "/Release/gc.lib")
         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);  
   
         // SQL driver manager  
         SQL_driver_manager=NEW SQL_Driver_manager(pool);  
   
 #ifdef XML  
         // Xerces & Xalan  
   
         // Use the static initializers to initialize the Xalan-C++ and Xerces-C++ platforms.   
         // You must initialize Xerces-C++ once per process  
         XMLPlatformUtils::Initialize();  
         XalanTransformer::initialize();  
   
         // XSLT stylesheet driver manager  
         XSLT_stylesheet_manager=NEW XSLT_Stylesheet_manager(pool);  
 #endif  
 }  
   
 #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
   
   #endif // PA_DEBUG_DISABLE_GC
   
   
   #ifdef XML
   
   #define GNOME_LIBS "../../../../win32/gnome"
   
   #ifdef _DEBUG
   #define LIB_XML GNOME_LIBS "/libxml2-x.x.x/win32/debug/lib/"
   #define LIB_XSLT GNOME_LIBS "/libxslt-x.x.x/win32/debug/lib/"
   #else
   #define LIB_XML GNOME_LIBS "/libxml2-x.x.x/win32/release/lib/"
   #define LIB_XSLT GNOME_LIBS "/libxslt-x.x.x/win32/release/lib/"
   #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
   
   #ifdef LIBEXSLT_STATIC
   #pragma comment(lib, LIB_XSLT "libexslt_a.lib")
   #else
   #pragma comment(lib, LIB_XSLT "libexslt.lib")
   #endif
   
   #endif // XML
   
   #endif // _MSC_VER
Removed from v.1.78  
changed lines
  Added in v.1.196

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