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Diff for /parser3/src/main/pa_globals.C between versions 1.2 and 1.152.2.11

version 1.2, 2001/03/14 09:12:05 version 1.152.2.11, 2003/01/31 14:03:54
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 /*  /** @file
         Parser          Parser: globals.
         Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com)  
         Author: Alexander Petrosyan <paf@design.ru> (http://design.ru/paf)  
   
         $Id$          Copyright (c) 2001-2003 ArtLebedev Group (http://www.artlebedev.com)
           Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru)
 */  */
   
   static const char* IDENT_GLOBALS_C="$Date$";
   
   #include "pa_config_includes.h"
   
   #ifdef XML
   #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 "_form.h"  #ifdef XML
 #include "_env.h"  #include "pa_stylesheet_manager.h"
   #endif
 String *exception_method_name;  
   
 String *unnamed_name;  
 String *empty_string;  
   #define DEFAULTS_NAME "DEFAULTS"
 String *auto_method_name;  
 String *main_method_name;  #define MATCH_VAR_NAME "match"
   
 String *root_class_name;  #define EXCEPTION_VAR_NAME "exception"
 String *main_class_name;  #define EXCEPTION_TYPE_PART_NAME "type"
 String *env_class_name;  #define EXCEPTION_SOURCE_PART_NAME "source"
 String *table_class_name;  #define EXCEPTION_COMMENT_PART_NAME "comment"
 String *form_class_name;  #define EXCEPTION_HANDLED_PART_NAME "handled"
   
 Hash *untaint_lang_name2enum;  
   #define DATE_CALENDAR_WEEKNO_NAME "week"
   #define DATE_CALENDAR_WEEKYEAR_NAME "year"
 void globals_init(Pool& pool) {  
         #define NEW_STRING(name, value)  name=new(pool) String(pool); name->APPEND_CONST(value)  #define CONTENT_DISPOSITION_NAME "content-disposition"
         #define LOCAL_STRING(name, value)  String name(pool); name.APPEND_CONST(value)  #define CONTENT_DISPOSITION_VALUE "attachment"
   #define CONTENT_DISPOSITION_FILENAME_NAME "filename"
         // names  
         NEW_STRING(exception_method_name, EXCEPTION_METHOD_NAME);  #define SWITCH_DATA_NAME "SWITCH-DATA"
   
         NEW_STRING(unnamed_name, UNNAMED_NAME);  #define CACHE_DATA_NAME "CACHE-DATA"
         empty_string=new(pool) String(pool);   
   #define SQL_LIMIT_NAME "limit"
         NEW_STRING(auto_method_name, AUTO_METHOD_NAME);  #define SQL_OFFSET_NAME "offset"
         NEW_STRING(main_method_name, MAIN_METHOD_NAME);  #define SQL_DEFAULT_NAME "default"
   #define SQL_DISTINCT_NAME "distinct"
         NEW_STRING(root_class_name, ROOT_CLASS_NAME);  
         NEW_STRING(main_class_name, MAIN_CLASS_NAME);  #define HASH_DEFAULT_ELEMENT_NAME "_default"
         NEW_STRING(table_class_name, TABLE_CLASS_NAME);  
         NEW_STRING(env_class_name, ENV_CLASS_NAME);       #define HTTP_METHOD_NAME  "method"
         NEW_STRING(form_class_name, FORM_CLASS_NAME);     #define HTTP_TIMEOUT_NAME    "timeout"
   #define HTTP_HEADERS_NAME "headers"
         // hashes  #define HTTP_ANY_STATUS_NAME "any-status"
         untaint_lang_name2enum=new(pool) Hash(pool);  #define FILE_STATUS_NAME  "status"
         LOCAL_STRING(as_is, "as-is");    
         untaint_lang_name2enum->put(as_is, (int)String::Untaint_lang::AS_IS);  
         LOCAL_STRING(table, "table");  StringPtr content_disposition_name(new String(CONTENT_DISPOSITION_NAME));
         untaint_lang_name2enum->put(table, (int)String::Untaint_lang::TABLE);  StringPtr content_disposition_value(new String(CONTENT_DISPOSITION_VALUE));
         LOCAL_STRING(sql, "sql");  StringPtr content_disposition_filename_name(new String(CONTENT_DISPOSITION_FILENAME_NAME));
         untaint_lang_name2enum->put(sql, (int)String::Untaint_lang::SQL);  
         LOCAL_STRING(js, "js");  
         untaint_lang_name2enum->put(js, (int)String::Untaint_lang::JS);  StringPtr match_var_name(new String(MATCH_VAR_NAME));
         LOCAL_STRING(html, "html");  
         untaint_lang_name2enum->put(html, (int)String::Untaint_lang::HTML);  StringPtr exception_var_name(new String(EXCEPTION_VAR_NAME));
         LOCAL_STRING(html_typo, "html-typo");  StringPtr exception_type_part_name(new String(EXCEPTION_TYPE_PART_NAME));
         untaint_lang_name2enum->put(html_typo, (int)String::Untaint_lang::HTML_TYPO);  StringPtr exception_source_part_name(new String(EXCEPTION_SOURCE_PART_NAME));
   StringPtr exception_comment_part_name(new String(EXCEPTION_COMMENT_PART_NAME));
         // read-only stateless classes  StringPtr exception_handled_part_name(new String(EXCEPTION_HANDLED_PART_NAME));
         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();  //^switch ^case
         initialize_table_class(pool, *(table_class=new(pool) VStateless_class(pool)));  table_class->freeze();  StringPtr switch_data_name(new String(SWITCH_DATA_NAME));
   
         // read-only stateless base classes  //^cache
         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();  StringPtr cache_data_name(new String(CACHE_DATA_NAME));
         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();  
   // sql
   StringPtr sql_limit_name(new String(SQL_LIMIT_NAME));
   StringPtr sql_offset_name(new String(SQL_OFFSET_NAME));
   StringPtr sql_default_name(new String(SQL_DEFAULT_NAME));
   StringPtr sql_distinct_name(new String(SQL_DISTINCT_NAME));
   
   // hash
   StringPtr hash_default_element_name(new String(HASH_DEFAULT_ELEMENT_NAME));
   
   // http
   StringPtr http_method_name(new String(HTTP_METHOD_NAME));
   StringPtr http_timeout_name(new String(HTTP_TIMEOUT_NAME));
   StringPtr http_headers_name(new String(HTTP_HEADERS_NAME));
   StringPtr http_any_status_name(new String(HTTP_ANY_STATUS_NAME));
   StringPtr file_status_name(new String(FILE_STATUS_NAME));
   
   short hex_value[0x100];
   
   #ifdef XML
   GdomeDOMImplementation *domimpl;
   #endif
   
   static void setup_hex_value() {
           memset(hex_value, 0, sizeof(hex_value));
           hex_value['0'] = 0;     
           hex_value['1'] = 1;     
           hex_value['2'] = 2;     
           hex_value['3'] = 3;     
           hex_value['4'] = 4;     
           hex_value['5'] = 5;     
           hex_value['6'] = 6;     
           hex_value['7'] = 7;     
           hex_value['8'] = 8;     
           hex_value['9'] = 9;
           hex_value['A'] = 10;
           hex_value['B'] = 11;
           hex_value['C'] = 12;
           hex_value['D'] = 13;
           hex_value['E'] = 14;
           hex_value['F'] = 15;
           hex_value['a'] = 10;
           hex_value['b'] = 11;
           hex_value['c'] = 12;
           hex_value['d'] = 13;
           hex_value['e'] = 14;
           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
   pa_xmlFileRead (void * context, char * buffer, int len) {
       return(fread(&buffer[0], 1,  len, (FILE *) context));
   }
   
   /**
    * xmlFileClose:
    * @context:  the I/O context
    *
    * Close an I/O channel
    */
   static int
   pa_xmlFileClose (void * context) {
       return ( ( fclose((FILE *) context) == EOF ) ? -1 : 0 );
   }
   
   #endif
   
   void pa_globals_destroy(void *) {
           try {
   #ifdef XML
                   GdomeException exc;
                   gdome_di_unref (domimpl, &exc);
   #endif
           } catch(const Exception& e) {
                   SAPI::die("pa_globals_destroy failed: %s", e.comment());
           }
   }
   
   
   /// @test hint on one should call this for each thread xmlSubstituteEntitiesDefault(1);
   void pa_globals_init() {
   
           // hex value
           setup_hex_value();
   
   #ifdef XML
           // initializing xml libs
   
           /* First I get a DOMImplementation reference */
           domimpl = gdome_di_mkref ();
       /*
        * Register the EXSLT extensions and the test module
        */
       exsltRegisterAll();
       xsltRegisterTestModule();
       xmlDefaultSAXHandlerInit();
       /*
        * disable CDATA from being built in the document tree
        */
       // 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 
       xmlLoadExtDtdDefaultValue |= XML_COMPLETE_ATTRS;
   
           // validate each document after load/create (?)
           //xmlDoValidityCheckingDefaultValue = 1;
   
   //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,
                   pa_xmlFileRead, pa_xmlFileClose);
   
           // XSLT stylesheet manager
           cache_managers->put(*NEW String(pool, "stylesheet"), 
                   stylesheet_manager=NEW Stylesheet_manager(pool));
   #endif
   }
   
   #if defined(XML) && defined(_MSC_VER)
   #       define GNOME_LIBS "/parser3project/win32xml/win32/gnome"
   #       pragma comment(lib, GNOME_LIBS "/glib/lib/libglib-1.3-11.lib")
   #       ifdef _DEBUG
   #               pragma comment(lib, GNOME_LIBS "/libxml2-x.x.x/win32/dsp/libxml2_so_debug/libxml2.lib")
   #               pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/dsp/libexslt_so_debug/libexslt.lib")
   #               pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/dsp/libxslt_so_debug/libxslt.lib")
   #               pragma comment(lib, GNOME_LIBS "/gdome2-x.x.x/win32/dsp/Debug/libgdome.lib")
   #       else
   #               pragma comment(lib, GNOME_LIBS "/libxml2-x.x.x/win32/dsp/libxml2_so_release/libxml2.lib")
   #               pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/dsp/libexslt_so_release/libexslt.lib")
   #               pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/dsp/libxslt_so_release/libxslt.lib")
   #               pragma comment(lib, GNOME_LIBS "/gdome2-x.x.x/win32/dsp/Release/libgdome.lib")
   #       endif
   #endif
Removed from v.1.2  
changed lines
  Added in v.1.152.2.11

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