|
|
| version 1.74, 2001/09/17 16:49:15 | version 1.164, 2003/12/11 10:25:52 |
|---|---|
| Line 1 | Line 1 |
| /** @file | /** @file |
| Parser: globals. | Parser: globals. |
| Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com) | Copyright (c) 2001-2003 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 *RCSId="$Id$"; | |
| #if _MSC_VER | static const char * const IDENT_GLOBALS_C="$Date$"; |
| # pragma warning(disable:4291) // disable warning | |
| // "no matching operator delete found; memory will not be freed if initialization throws an exception | #include "pa_config_includes.h" |
| #ifdef XML | |
| #include "libxml/xmlversion.h" | |
| #include "libxslt/extensions.h" | |
| #include "libxslt/xsltutils.h" | |
| extern "C" { | |
| #include "libexslt/exslt.h" | |
| }; | |
| #endif | #endif |
| #include <util/PlatformUtils.hpp> | #include "pcre.h" |
| #include <XalanTransformer/XalanTransformer.hpp> | |
| #include "pa_globals.h" | #include "pa_globals.h" |
| #include "pa_string.h" | #include "pa_string.h" |
| #include "pa_hash.h" | #include "pa_sapi.h" |
| #include "pa_sql_driver_manager.h" | #include "pa_threads.h" |
| #include "pa_xslt_stylesheet_manager.h" | #include "pa_xml_io.h" |
| #include "pa_dictionary.h" | #include "pa_common.h" |
| String *user_html_name; | |
| String *content_type_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 *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; | |
| String *switch_data_name; | |
| String *case_default_value; | |
| String *sql_limit_name; | |
| String *sql_offset_name; | |
| String *sql_default_name; | |
| String *hash_default_element_name; | #include "pa_cache_managers.h" |
| Hash *untaint_lang_name2enum; | // defines |
| Dictionary *default_typo_dict; | //#define PA_DEBUG_XML_GC_MEMORY |
| // globals | |
| short hex_value[0x100]; | short hex_value[0x100]; |
| #ifdef XML | |
| GdomeDOMImplementation *domimpl; | |
| #endif | |
| static void setup_hex_value() { | static void setup_hex_value() { |
| memset(hex_value, 0, sizeof(hex_value)); | memset(hex_value, 0, sizeof(hex_value)); |
| hex_value['0'] = 0; | hex_value['0'] = 0; |
| Line 107 static void setup_hex_value() { | Line 67 static void setup_hex_value() { |
| hex_value['f'] = 15; | hex_value['f'] = 15; |
| } | } |
| void pa_globals_init(Pool& pool) { | |
| #undef NEW | Hash<pa_thread_t, Request*> thread_request; |
| #define NEW new(pool) | void pa_register_thread_request(Request& r) { |
| thread_request.put(pa_get_thread_id(), &r); | |
| } | |
| /// retrives request set by pa_set_request function, useful in contextless places [slow] | |
| Request& pa_thread_request() { | |
| return *thread_request.get(pa_get_thread_id()); | |
| } | |
| #ifdef XML | |
| class XML_Generic_error_info { | |
| public: | |
| char buf[MAX_STRING]; | |
| size_t used; | |
| public: | |
| XML_Generic_error_info() { | |
| reset(); | |
| } | |
| void reset() { | |
| buf[used=0]=0; | |
| } | |
| const char* get_and_reset() { | |
| char* result=new(PointerFreeGC) char[used+1]; | |
| memcpy(result, buf, used+1); | |
| reset(); | |
| return result; | |
| } | |
| }; | |
| Hash<pa_thread_t, XML_Generic_error_info*> xml_generic_error_infos; | |
| static void xmlParserGenericErrorFunc(void * /*ctx*/, const char* msg, ...) { | |
| //_asm int 3; | |
| 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_infos.get(thread_id); | |
| if(!p) // occupy empty one | |
| xml_generic_error_infos.put(thread_id, (p=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); | |
| break; | |
| } | |
| } | |
| bool xmlHaveGenericErrors() { | |
| pa_thread_t thread_id=pa_get_thread_id(); | |
| SYNCHRONIZED; // find blocked | |
| return xml_generic_error_infos.get(thread_id)!=0; | |
| } | |
| const char* xmlGenericErrors() { | |
| pa_thread_t thread_id=pa_get_thread_id(); | |
| SYNCHRONIZED; // find+free blocked | |
| if(XML_Generic_error_info *p=xml_generic_error_infos.get(thread_id)) | |
| return p->get_and_reset(); | |
| return 0; // no errors for our thread_id registered | |
| } | |
| #endif | |
| void pa_globals_destroy(void *) { | |
| try { | |
| #ifdef XML | |
| GdomeException exc; | |
| gdome_di_unref (domimpl, &exc); | |
| // uncomment SAPI::abort below if adding potential-throw code here | |
| #endif | |
| } catch(const Exception& e) { | |
| // SAPI::abort("pa_globals_destroy failed: %s", e.comment()); | |
| } | |
| } | |
| #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); | |
| if(!result) | |
| SAPI::abort("out of memory (while duplicating XML string [size=%d])", size); | |
| memcpy(result, s, size); | |
| return result; | |
| } | |
| #ifdef PA_DEBUG_XML_GC_MEMORY | |
| void *pa_look_for[]={(void*)0x8abe000,(void*)0x0,(void*)0x0,(void*)0x0, | |
| (void*)0x0,(void*)0x0,(void*)0x0,(void*)0x0}; | |
| bool pa_looked(void*p) { | |
| for(int i=0; i<8; i++) | |
| if(pa_look_for[i]==p) | |
| return true; | |
| return false; | |
| } | |
| 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); | |
| // if(pa_looked(p)) | |
| // fprintf(stderr,"catched debug malloc(%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); | |
| // if(pa_looked(p)) | |
| // fprintf(stderr,"catched debug malloc atomic(%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); | |
| // if(pa_looked(p)) | |
| // fprintf(stderr,"catched debug realloc(%d)=0x%p\n", size, p); | |
| return p; | |
| } | |
| //static void pa_gc_free_ignore(void *){} | |
| static void pa_gc_free_log(void *p){ | |
| fprintf(stderr, "pa_gc_free_log(0x%p)\n", p); | |
| // if(pa_looked(p)) | |
| // fprintf(stderr,"catched debug free(0x%p)\n", p); | |
| pa_gc_free(p); | |
| } | |
| #else | |
| inline void *check(void *result, const char *where, size_t size) { | |
| if(!result) | |
| SAPI::abort("out of memory (while %s [size=%d])", where, size); | |
| return result; | |
| } | |
| static void* pa_gc_malloc_nonull(size_t size) { | |
| return check(pa_gc_malloc(size), "allocating XML compsite memory", size); | |
| } | |
| static void* pa_gc_malloc_atomic_nonull(size_t size) { | |
| return check(pa_gc_malloc_atomic(size), "allocating XML atomic memory", size); | |
| } | |
| static void* pa_gc_realloc_nonull(void* ptr, size_t size) { | |
| return check(pa_gc_realloc(ptr, size), "reallocating XML memory", size); | |
| } | |
| #endif | |
| #endif | |
| void pa_CORD_oom_fn(void) { | |
| SAPI::abort("out of memory (while expanding string)"); | |
| } | |
| /** | |
| @todo gc: libltdl: substitute lt_dlmalloc & co | |
| */ | |
| static void gc_substitute_memory_management_functions() { | |
| // in libxml & libxslt | |
| #ifdef XML | |
| // asking to use GC memory | |
| #if LIBXML_VERSION >= 20507 | |
| #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, | |
| /*xmlMallocFunc */pa_gc_malloc_nonull, | |
| /*xmlMallocFunc */pa_gc_malloc_atomic_nonull, | |
| /*xmlReallocFunc */pa_gc_realloc_nonull, | |
| /*xmlStrdupFunc */pa_GC_strdup); | |
| #endif | |
| #else | |
| xmlMemSetup( | |
| /*xmlFreeFunc */pa_gc_free, | |
| /*xmlMallocFunc */pa_gc_malloc, | |
| /*xmlReallocFunc */pa_gc_realloc, | |
| /*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); | |
| 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); | |
| empty_string=NEW String(pool); | |
| 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); | |
| defaults_name=NEW String(pool, DEFAULTS_NAME); | |
| ctype_name=NEW String(pool, CTYPE_NAME); | |
| ctype_white_space_name=NEW String(pool, CTYPE_WHITE_SPACE_NAME); | |
| ctype_digit_name=NEW String(pool, CTYPE_DIGIT_NAME); | |
| ctype_hex_digit_name=NEW String(pool, CTYPE_HEX_DIGIT_NAME); | |
| ctype_letter_name=NEW String(pool, CTYPE_LETTER_NAME); | |
| ctype_word_name=NEW String(pool, CTYPE_WORD_NAME); | |
| ctype_lowercase_name=NEW String(pool, CTYPE_LOWERCASE_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); | |
| // hash | |
| hash_default_element_name=NEW String(pool, HASH_DEFAULT_ELEMENT_NAME); | |
| // hashes | |
| untaint_lang_name2enum=NEW Hash(pool); | |
| #define ULN(var, cstr, LANG) \ | |
| String var(pool, cstr); \ | |
| untaint_lang_name2enum->put(var, (int)String::UL_##LANG); | |
| ULN(as_is, "as-is", AS_IS); | |
| 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); | |
| ULN(table, "table", TABLE); | |
| ULN(sql, "sql", SQL); | |
| ULN(js, "js", JS); | |
| ULN(xml, "xml", XML); | |
| ULN(html, "html", HTML); | |
| ULN(user_html, "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("<", "<"); | |
| DT_ROW(">", ">"); | |
| DT_ROW("\"", """); | |
| DT_ROW("&", "&"); | |
| 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); | |
| // 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 | /* First get a DOMImplementation reference */ |
| XSLT_stylesheet_manager=NEW XSLT_Stylesheet_manager(pool); | 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; | |
| xmlSetGenericErrorFunc(0, xmlParserGenericErrorFunc); | |
| xsltSetGenericErrorFunc(0, xmlParserGenericErrorFunc); | |
| // FILE *f=fopen("y:\\xslt.log", "wt"); | |
| // xsltSetGenericDebugFunc(f/*stderr*/, 0); | |
| pa_xml_io_init(); | |
| #endif | |
| } | } |
| #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 | |
| # define GNOME_LIBS "../../../../win32/gnome" | |
| # pragma comment(lib, GNOME_LIBS "/glib/lib/libglib-1.3-11.lib") | |
| # ifdef _DEBUG | |
| # ifdef LIBXML_STATIC | |
| # pragma comment(lib, GNOME_LIBS "/gnome-xml/win32/binaries-debug/libxml2_a.lib") | |
| # else | |
| # pragma comment(lib, GNOME_LIBS "/gnome-xml/win32/binaries-debug/libxml2.lib") | |
| # endif | |
| # ifdef LIBXSLT_STATIC | |
| # pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/dsp/libxslt_DebugStatic/libxslt.lib") | |
| # else | |
| # pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/dsp/libxslt_DebugDynamic/libxslt.lib") | |
| # endif | |
| # ifdef LIBEXSLT_STATIC | |
| # pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/dsp/libexslt_DebugStatic/libexslt.lib") | |
| # else | |
| # pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/dsp/libexslt_DebugDynamic/libexslt.lib") | |
| # endif | |
| # ifdef LIBGDOME_STATIC | |
| # pragma comment(lib, GNOME_LIBS "/gdome2-x.x.x/win32/dsp/libgdome_DebugStatic/libgdome.lib") | |
| # else | |
| # pragma comment(lib, GNOME_LIBS "/gdome2-x.x.x/win32/dsp/libgdome_DebugDynamic/libgdome.lib") | |
| # endif | |
| #else | |
| # ifdef LIBXML_STATIC | |
| # pragma comment(lib, GNOME_LIBS "/gnome-xml/win32/binaries-release/libxml2_a.lib") | |
| # else | |
| # pragma comment(lib, GNOME_LIBS "/gnome-xml/win32/binaries-release/libxml2.lib") | |
| # endif | |
| # ifdef LIBXSLT_STATIC | |
| # pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/dsp/libxslt_ReleaseStatic/libxslt.lib") | |
| # else | |
| # pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/dsp/libxslt_ReleaseDynamic/libxslt.lib") | |
| # endif | |
| # ifdef LIBEXSLT_STATIC | |
| # pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/dsp/libexslt_ReleaseStatic/libexslt.lib") | |
| # else | |
| # pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/dsp/libexslt_ReleaseDynamic/libexslt.lib") | |
| # endif | |
| # ifdef LIBGDOME_STATIC | |
| # pragma comment(lib, GNOME_LIBS "/gdome2-x.x.x/win32/dsp/libgdome_ReleaseStatic/libgdome.lib") | |
| # else | |
| # pragma comment(lib, GNOME_LIBS "/gdome2-x.x.x/win32/dsp/libgdome_ReleaseDynamic/libgdome.lib") | |
| # endif | |
| # endif | |
| #endif | |
| #endif |