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Diff for /parser3/src/main/pa_globals.C between versions 1.17 and 1.138

version 1.17, 2001/03/19 20:07:38 version 1.138, 2002/08/19 09:26:53
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: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru)
   */
   
         Author: Alexander Petrosyan <paf@design.ru> (http://design.ru/paf)  static const char* IDENT_GLOBALS_C="$Date$";
   
         $Id$  #include "pa_config_includes.h"
 */  
   
 #include "pa_globals.h"  #ifdef XML
 #include "_string.h"  #include "libxslt/extensions.h"
 #include "_double.h"  #include "libxslt/xsltutils.h"
 #include "_int.h"  extern "C" {
 #include "_table.h"  #include "libexslt/exslt.h"
 #include "_form.h"  };
 #include "_env.h"  #endif
 #include "_request.h"  
 #include "_response.h"  
 #include "_cookie.h"  
   
 Service_funcs service_funcs;  #include "pa_globals.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_sapi.h"
   #include "pa_cache_managers.h"
   #include "pa_charsets.h"
   #include "pa_charset.h"
   #include "pa_threads.h"
   
 String *content_type_name;  String *content_type_name;
   String *charset_name;
 String *body_name;  String *body_name;
 String *value_name;  String *value_name;
 String *expires_name;  String *expires_name;
Line 30  String *name_name; Line 39  String *name_name;
 String *size_name;  String *size_name;
 String *text_name;  String *text_name;
   
 String *exception_method_name;  String *content_disposition_name;
   String *content_disposition_filename_name;
 String *unnamed_name;  
 String *empty_string;  
   
   String *conf_method_name;
 String *auto_method_name;  String *auto_method_name;
 String *main_method_name;  
   
 String *root_class_name;  
 String *main_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;  String *result_var_name;
   String *match_var_name;
   
   String *exception_var_name;
   String *exception_type_part_name;
   String *exception_source_part_name;
   String *exception_comment_part_name;
   String *exception_handled_part_name;
   
   String *charsets_name;
   String *mime_types_name;
   String *vfile_mime_type_name;
   String *origins_mode_name;
   
   String *class_path_name;
   
 String *limits_name;  String *switch_data_name;
 String *post_max_size_name;  
   
 String *defaults_name;  String *cache_data_name;
   
   String *sql_limit_name;
   String *sql_offset_name;
   String *sql_default_name;
   
   String *charset_UTF8_name;
   
   String *hash_default_element_name;
   
   Table *string_match_table_template;
   
   Table *date_calendar_table_template;
   
 Hash *untaint_lang_name2enum;  Hash *untaint_lang_name2enum;
   
   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() {
         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 87  static void setup_hex_value() { Line 115  static void setup_hex_value() {
         hex_value['f'] = 15;          hex_value['f'] = 15;
 }  }
   
 void globals_init(Pool& pool) {  #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 *) {
           try {
   #ifdef XML
                   GdomeException exc;
                   gdome_di_unref (domimpl, &exc);
   #endif
                   if(cache_managers)
                           cache_managers->~Cache_managers();
   
                   charsets->~Charsets();
                   
           } 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(Pool& pool) {
           pool.register_cleanup(pa_globals_destroy, 0);
   
           #undef NEW
           #define NEW new(pool)
   
         // hex value          // hex value
         setup_hex_value();          setup_hex_value();
   
         // names          // names
         content_type_name=new(pool) String(pool, CONTENT_TYPE_NAME);          content_type_name=NEW String(pool, CONTENT_TYPE_NAME);
         body_name=new(pool) String(pool, BODY_NAME);          charset_name=NEW String(pool, CHARSET_NAME);
         value_name=new(pool) String(pool, VALUE_NAME);          body_name=NEW String(pool, BODY_NAME);
         expires_name=new(pool) String(pool, EXPIRES_NAME);          value_name=NEW String(pool, VALUE_NAME);
         path_name=new(pool) String(pool, PATH_NAME);          expires_name=NEW String(pool, EXPIRES_NAME);
         name_name=new(pool) String(pool, NAME_NAME);          path_name=NEW String(pool, PATH_NAME);
         size_name=new(pool) String(pool, SIZE_NAME);          name_name=NEW String(pool, NAME_NAME);
         text_name=new(pool) String(pool, TEXT_NAME);          size_name=NEW String(pool, SIZE_NAME);
           text_name=NEW String(pool, TEXT_NAME);
         exception_method_name=new(pool) String(pool, EXCEPTION_METHOD_NAME);  
           content_disposition_name=NEW String(pool, CONTENT_DISPOSITION_NAME);
         unnamed_name=new(pool) String(pool, UNNAMED_NAME);          content_disposition_filename_name=NEW String(pool, CONTENT_DISPOSITION_FILENAME_NAME);
         empty_string=new(pool) String(pool);   
           conf_method_name=NEW String(pool, CONF_METHOD_NAME);
         auto_method_name=new(pool) String(pool, AUTO_METHOD_NAME);          auto_method_name=NEW String(pool, AUTO_METHOD_NAME);
         main_method_name=new(pool) String(pool, MAIN_METHOD_NAME);  
           main_class_name=NEW String(pool, MAIN_CLASS_NAME);
         root_class_name=new(pool) String(pool, ROOT_CLASS_NAME);  
         main_class_name=new(pool) String(pool, MAIN_CLASS_NAME);          result_var_name=NEW String(pool, RESULT_VAR_NAME);
         table_class_name=new(pool) String(pool, TABLE_CLASS_NAME);          match_var_name=NEW String(pool, MATCH_VAR_NAME);
         env_class_name=new(pool) String(pool, ENV_CLASS_NAME);    
         form_class_name=new(pool) String(pool, FORM_CLASS_NAME);                  exception_var_name=NEW String(pool, EXCEPTION_VAR_NAME);
         request_class_name=new(pool) String(pool, REQUEST_CLASS_NAME);            exception_type_part_name=NEW String(pool, EXCEPTION_TYPE_PART_NAME);
         response_class_name=new(pool) String(pool, RESPONSE_CLASS_NAME);          exception_source_part_name=NEW String(pool, EXCEPTION_SOURCE_PART_NAME);
         cookie_class_name=new(pool) String(pool, COOKIE_CLASS_NAME);          exception_comment_part_name=NEW String(pool, EXCEPTION_COMMENT_PART_NAME);
           exception_handled_part_name=NEW String(pool, EXCEPTION_HANDLED_PART_NAME);
   
           charsets_name=NEW String(pool, CHARSETS_NAME);
           mime_types_name=NEW String(pool, MIME_TYPES_NAME);
           origins_mode_name=NEW String(pool, ORIGINS_MODE_NAME);
   
           class_path_name=NEW String(pool, CLASS_PATH_NAME);
   
           //^switch ^case
           switch_data_name=NEW String(pool, SWITCH_DATA_NAME);
   
           //^cache
           cache_data_name=NEW String(pool, CACHE_DATA_NAME);
   
           // 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);
   
         result_var_name=new(pool) String(pool, RESULT_VAR_NAME);          // charsets
           charset_UTF8_name=NEW String(pool, CHARSET_UTF8_NAME);
   
           // hash
           hash_default_element_name=NEW String(pool, HASH_DEFAULT_ELEMENT_NAME);
   
         limits_name=new(pool) String(pool, LIMITS_NAME);          // hashes
         post_max_size_name=new(pool) String(pool, POST_MAX_SIZE_NAME);          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("optimized-html", HTML|String::UL_OPTIMIZE_BIT);
   
           // string_match_table_template
           {
                   Array *columns=NEW Array(pool);
                   *columns+=NEW String(pool, STRING_PRE_MATCH_NAME);
                   *columns+=NEW String(pool, STRING_MATCH_NAME);
                   *columns+=NEW String(pool, STRING_POST_MATCH_NAME);
                   for(int i=1; i<=MAX_STRING_MATCH_TABLE_COLUMNS; i++) {
                           char *column=(char *)pool.malloc(MAX_NUMBER);
                           snprintf(column, MAX_NUMBER, "%d", i);
                           *columns+=NEW String(pool, column); // .i column name
                   }
                   string_match_table_template=NEW Table(pool, 0, columns);
           }
   
         defaults_name=new(pool) String(pool, DEFAULTS_NAME);          // date_calendar_table_template
           {
                   Array *columns=NEW Array(pool);
                   for(int i=0; i<=6; i++) {
                           char *column=(char *)pool.malloc(MAX_NUMBER);
                           snprintf(column, MAX_NUMBER, "%d", i);
                           *columns+=NEW String(pool, column); // .i column name
                   }
                   *columns+=NEW String(pool, DATE_CALENDAR_WEEKNO_NAME);
                   *columns+=NEW String(pool, DATE_CALENDAR_WEEKYEAR_NAME);
                   date_calendar_table_template=NEW Table(pool, 0, columns);
           }
   
         // hashes          // charsets
         untaint_lang_name2enum=new(pool) Hash(pool);          charsets=NEW Charsets(pool);
         String as_is(pool, "as-is");            charsets->put(*charset_UTF8_name, 
         untaint_lang_name2enum->put(as_is, (int)String::Untaint_lang::AS_IS);                  utf8_charset=NEW Charset(pool, *charset_UTF8_name, 0/*no file=system*/));
         String header(pool, "header");    
         untaint_lang_name2enum->put(header, (int)String::Untaint_lang::HEADER);  
         String uri(pool, "uri");            // Status registration, must be initialized before all registrants
         untaint_lang_name2enum->put(uri, (int)String::Untaint_lang::URI);          cache_managers=NEW Cache_managers(pool);
         String table(pool, "table");  
         untaint_lang_name2enum->put(table, (int)String::Untaint_lang::TABLE);          // SQL driver manager
         String sql(pool, "sql");          cache_managers->put(*NEW String(pool, "sql"), 
         untaint_lang_name2enum->put(sql, (int)String::Untaint_lang::SQL);                  SQL_driver_manager=NEW SQL_Driver_manager(pool));
         String js(pool, "js");  
         untaint_lang_name2enum->put(js, (int)String::Untaint_lang::JS);  #ifdef XML
         String html(pool, "html");          // initializing xml libs
         untaint_lang_name2enum->put(html, (int)String::Untaint_lang::HTML);  
         String html_typo(pool, "html-typo");          /* First I get a DOMImplementation reference */
         untaint_lang_name2enum->put(html_typo, (int)String::Untaint_lang::HTML_TYPO);          domimpl = gdome_di_mkref ();
       /*
         // read-only stateless classes       * Register the EXSLT extensions and the test module
         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();      exsltRegisterAll();
         initialize_int_class(pool, *(int_class=new(pool) VStateless_class(pool)));  int_class->freeze();      xsltRegisterTestModule();
         initialize_table_class(pool, *(table_class=new(pool) VStateless_class(pool)));  table_class->freeze();      xmlDefaultSAXHandlerInit();
       /*
         // read-only stateless base classes       * disable CDATA from being built in the document tree
         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();      // never added yet  xmlDefaultSAXHandler.cdataBlock = NULL;
         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();           * 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,
                   xmlFileRead, 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.1.17  
changed lines
  Added in v.1.138

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