--- parser3/src/main/pa_globals.C 2002/01/21 16:44:49 1.103 +++ parser3/src/main/pa_globals.C 2003/03/28 07:51:38 1.152.2.19.2.8 @@ -1,18 +1,15 @@ /** @file Parser: globals. - Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com) - Author: Alexander Petrosyan (http://paf.design.ru) - - $Id: pa_globals.C,v 1.103 2002/01/21 16:44:49 paf Exp $ + Copyright (c) 2001-2003 ArtLebedev Group (http://www.artlebedev.com) + Author: Alexandr Petrosian (http://paf.design.ru) */ +static const char* IDENT_GLOBALS_C="$Date: 2003/03/28 07:51:38 $"; + #include "pa_config_includes.h" #ifdef XML -//#include "libxml/parser.h" -//#include "libxslt/xslt.h" -//#include "libxslt/libxslt.h" #include "libxslt/extensions.h" #include "libxslt/xsltutils.h" extern "C" { @@ -22,74 +19,14 @@ extern "C" { #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" -#ifdef DB2 -#include "pa_db_manager.h" -#endif - -String *content_type_name; -String *charset_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 *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 *charsets_name; -String *mime_types_name; -String *vfile_mime_type_name; -String *origins_mode_name; - -String *class_path_name; - -String *switch_data_name; -String *case_default_value; - -String *sql_limit_name; -String *sql_offset_name; -String *sql_default_name; - -String *charset_UTF8_name; - -String *hash_default_element_name; - -Hash *untaint_lang_name2enum; +short hex_value[0x100]; +#ifdef XML GdomeDOMImplementation *domimpl; - -Charset *utf8_charset; - -short hex_value[0x100]; +#endif static void setup_hex_value() { memset(hex_value, 0, sizeof(hex_value)); @@ -121,9 +58,25 @@ static void setup_hex_value() { const int MAX_CONCURRENT_XML_GENERIC_ERROR_THREADS=10; -struct XML_Generic_error_info { +class XML_Generic_error_info { +public: pa_thread_t thread_id; - char *message; + char buf[MAX_STRING]; + size_t used; +public: + XML_Generic_error_info() { + reset(); + } + void reset() { + thread_id=0; + buf[used=0]=0; + } + const char* get_and_reset() { + char* result=new(PointerFreeGC) char[used+1]; + memcpy(result, buf, used+1); + reset(); + return result; + } } xml_generic_error_infos[MAX_CONCURRENT_XML_GENERIC_ERROR_THREADS]; XML_Generic_error_info *xml_generic_error_info(pa_thread_t thread_id) { @@ -136,7 +89,7 @@ XML_Generic_error_info *xml_generic_erro } static void -xmlParserGenericErrorFunc(void *ctx, const char *msg, ...) { +xmlParserGenericErrorFunc(void *ctx, const char* msg, ...) { pa_thread_t thread_id=pa_get_thread_id(); // infinitely looking for free slot to fill it @@ -152,16 +105,10 @@ xmlParserGenericErrorFunc(void *ctx, con } 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); + p->used+=vsnprintf(p->buf+p->used, sizeof(p->buf)-p->used, msg, args); va_end(args); break; @@ -176,7 +123,7 @@ bool xmlHaveGenericErrors() { return xml_generic_error_info(thread_id)!=0; } -const char *xmlGenericErrors() { +const char* xmlGenericErrors() { pa_thread_t thread_id=pa_get_thread_id(); SYNCHRONIZED; // find+free blocked @@ -185,14 +132,80 @@ const char *xmlGenericErrors() { if(!p) // no errors for our thread_id registered return 0; - const char *result=p->message; + return p->get_and_reset(); +} + +/** + * 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); +} - // free slot up - memset(p, 0, sizeof(*p)); - // it is up to caller to free it - return result; +/** + * 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 *) { @@ -201,172 +214,107 @@ void pa_globals_destroy(void *) { 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()); + SAPI::abort("pa_globals_destroy failed: %s", e.comment()); } } -void pa_globals_init(Pool& pool) { - pool.register_cleanup(pa_globals_destroy, 0); - #undef NEW - #define NEW new(pool) +#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); + memcpy(result, s, size); + return result; +} +//static void pa_GC_nofree(void *) {} +#endif + +/// @test hint on one should call this for each thread xmlSubstituteEntitiesDefault(1); +void pa_globals_init() { // hex value setup_hex_value(); - // names - content_type_name=NEW String(pool, CONTENT_TYPE_NAME); - charset_name=NEW String(pool, CHARSET_NAME); - body_name=NEW String(pool, BODY_NAME); - value_name=NEW String(pool, VALUE_NAME); - expires_name=NEW String(pool, EXPIRES_NAME); - path_name=NEW String(pool, PATH_NAME); - name_name=NEW String(pool, NAME_NAME); - size_name=NEW String(pool, SIZE_NAME); - text_name=NEW String(pool, TEXT_NAME); - - exception_method_name=NEW String(pool, EXCEPTION_METHOD_NAME); - post_process_method_name=NEW String(pool, POST_PROCESS_METHOD_NAME); - - content_disposition_name=NEW String(pool, CONTENT_DISPOSITION_NAME); - content_disposition_filename_name=NEW String(pool, CONTENT_DISPOSITION_FILENAME_NAME); - - unnamed_name=NEW String(pool, UNNAMED_NAME); - - auto_method_name=NEW String(pool, AUTO_METHOD_NAME); - main_method_name=NEW String(pool, MAIN_METHOD_NAME); - - main_class_name=NEW String(pool, MAIN_CLASS_NAME); - - result_var_name=NEW String(pool, RESULT_VAR_NAME); - match_var_name=NEW String(pool, MATCH_VAR_NAME); - string_pre_match_name=NEW String(pool, STRING_PRE_MATCH_NAME); - string_match_name=NEW String(pool, STRING_MATCH_NAME); - string_post_match_name=NEW String(pool, STRING_POST_MATCH_NAME); - - - charsets_name=NEW String(pool, CHARSETS_NAME); - mime_types_name=NEW String(pool, MIME_TYPES_NAME); - vfile_mime_type_name=NEW String(pool, VFILE_MIME_TYPE_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); - case_default_value=NEW String(pool, CASE_DEFAULT_VALUE); - - // 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); - - // charsets - charset_UTF8_name=NEW String(pool, CHARSET_UTF8_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("optimized-html", HTML|String::UL_OPTIMIZE_BIT); - - // charsets - charsets=NEW Charsets(pool); - charsets->put(*charset_UTF8_name, - utf8_charset=NEW Charset(pool, *charset_UTF8_name, 0/*no file=system*/)); - - - // 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 - #ifdef XML + // initializing xml libs - /* First I get a DOMImplementation reference */ + // asking to use GC memory + xmlMemSetup( + /*xmlFreeFunc */GC_free,//pa_GC_nofree + /*xmlMallocFunc */GC_malloc, + /*xmlReallocFunc */GC_realloc, + /*xmlStrdupFunc */pa_GC_strdup); + + /* First 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; - + /* + * 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 - //never added yet xmlLoadExtDtdDefaultValue |= XML_COMPLETE_ATTRS; + 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); - // XSLT stylesheet manager - cache_managers->put(*NEW String(pool, "stylesheet"), - stylesheet_manager=NEW Stylesheet_manager(pool)); + // http://localhost/abc -> $ENV{DOCUMENT_ROOT}/abc | ./abc + xmlRegisterInputCallbacks( + xmlFileMatchLocalhost, xmlFileOpenLocalhost, + pa_xmlFileRead, pa_xmlFileClose); #endif } #if defined(XML) && defined(_MSC_VER) -# define XML_LIBS "/parser3project/win32xml" -# pragma comment(lib, XML_LIBS "/glib/lib/libglib-1.3-11.lib") -# pragma comment(lib, XML_LIBS "/libxml2-2.4.12/win32/dsp/libxml2_so/libxml2.lib") -# pragma comment(lib, XML_LIBS "/libxslt-1.0.9/win32/dsp/libexslt_so/libexslt.lib") -# pragma comment(lib, XML_LIBS "/libxslt-1.0.9/win32/dsp/libxslt_a/libxslt.lib") -# ifdef _DEBUG -# pragma comment(lib, XML_LIBS "/gdome2-0.7.0/win32/dsp/Debug/libgdome.lib") -# else -# pragma comment(lib, XML_LIBS "/gdome2-0.7.0/win32/dsp/Release/libgdome.lib") -# endif -#endif - - -#if defined(DB2) && defined(_MSC_VER) -# define LIBDB2_WIN32_BUILD "/parser3project/win32db/lib" +# define GNOME_LIBS "/parser3project/win32xml/win32/gnome" +# pragma comment(lib, GNOME_LIBS "/glib/lib/libglib-1.3-11.lib") # ifdef _DEBUG -# pragma comment(lib, LIBDB2_WIN32_BUILD "/debug/libdb.lib") +# 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, LIBDB2_WIN32_BUILD "/release/libdb.lib") +# 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