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| version 1.4, 2001/03/14 17:09:17 | version 1.163, 2003/12/01 14:20:44 |
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| Line 1 | Line 1 |
| /* | /** @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 * const IDENT_GLOBALS_C="$Date$"; | |
| #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 | |
| #include "pcre.h" | |
| #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 "pa_xml_io.h" |
| #include "_form.h" | #include "pa_common.h" |
| #include "_env.h" | |
| // defines | |
| Service_funcs service_funcs; | |
| //#define PA_DEBUG_XML_GC_MEMORY | |
| String *exception_method_name; | |
| // globals | |
| String *unnamed_name; | |
| String *empty_string; | short hex_value[0x100]; |
| String *auto_method_name; | #ifdef XML |
| String *main_method_name; | GdomeDOMImplementation *domimpl; |
| #endif | |
| String *root_class_name; | |
| String *main_class_name; | static void setup_hex_value() { |
| String *env_class_name; | memset(hex_value, 0, sizeof(hex_value)); |
| String *table_class_name; | hex_value['0'] = 0; |
| String *form_class_name; | hex_value['1'] = 1; |
| hex_value['2'] = 2; | |
| String *limits_name; | hex_value['3'] = 3; |
| String *post_max_size_name; | hex_value['4'] = 4; |
| hex_value['5'] = 5; | |
| Hash *untaint_lang_name2enum; | hex_value['6'] = 6; |
| hex_value['7'] = 7; | |
| hex_value['8'] = 8; | |
| void globals_init(Pool& pool) { | hex_value['9'] = 9; |
| #define NEW_STRING(name, value) name=new(pool) String(pool); name->APPEND_CONST(value) | hex_value['A'] = 10; |
| #define LOCAL_STRING(name, value) String name(pool); name.APPEND_CONST(value) | hex_value['B'] = 11; |
| hex_value['C'] = 12; | |
| // names | hex_value['D'] = 13; |
| NEW_STRING(exception_method_name, EXCEPTION_METHOD_NAME); | hex_value['E'] = 14; |
| hex_value['F'] = 15; | |
| NEW_STRING(unnamed_name, UNNAMED_NAME); | hex_value['a'] = 10; |
| empty_string=new(pool) String(pool); | hex_value['b'] = 11; |
| hex_value['c'] = 12; | |
| NEW_STRING(auto_method_name, AUTO_METHOD_NAME); | hex_value['d'] = 13; |
| NEW_STRING(main_method_name, MAIN_METHOD_NAME); | hex_value['e'] = 14; |
| hex_value['f'] = 15; | |
| NEW_STRING(root_class_name, ROOT_CLASS_NAME); | } |
| NEW_STRING(main_class_name, MAIN_CLASS_NAME); | |
| NEW_STRING(table_class_name, TABLE_CLASS_NAME); | |
| NEW_STRING(env_class_name, ENV_CLASS_NAME); | Hash<pa_thread_t, Request*> thread_request; |
| NEW_STRING(form_class_name, FORM_CLASS_NAME); | void pa_register_thread_request(Request& r) { |
| thread_request.put(pa_get_thread_id(), &r); | |
| NEW_STRING(limits_name, LIMITS_NAME); | } |
| NEW_STRING(post_max_size_name, POST_MAX_SIZE_NAME); | /// retrives request set by pa_set_request function, useful in contextless places [slow] |
| Request& pa_thread_request() { | |
| // hashes | return *thread_request.get(pa_get_thread_id()); |
| untaint_lang_name2enum=new(pool) Hash(pool); | } |
| LOCAL_STRING(as_is, "as-is"); | |
| untaint_lang_name2enum->put(as_is, (int)String::Untaint_lang::AS_IS); | #ifdef XML |
| LOCAL_STRING(table, "table"); | |
| untaint_lang_name2enum->put(table, (int)String::Untaint_lang::TABLE); | class XML_Generic_error_info { |
| LOCAL_STRING(sql, "sql"); | public: |
| untaint_lang_name2enum->put(sql, (int)String::Untaint_lang::SQL); | char buf[MAX_STRING]; |
| LOCAL_STRING(js, "js"); | size_t used; |
| untaint_lang_name2enum->put(js, (int)String::Untaint_lang::JS); | public: |
| LOCAL_STRING(html, "html"); | XML_Generic_error_info() { |
| untaint_lang_name2enum->put(html, (int)String::Untaint_lang::HTML); | reset(); |
| LOCAL_STRING(html_typo, "html-typo"); | } |
| untaint_lang_name2enum->put(html_typo, (int)String::Untaint_lang::HTML_TYPO); | void reset() { |
| buf[used=0]=0; | |
| // read-only stateless classes | } |
| initialize_string_class(pool, *(string_class=new(pool) VStateless_class(pool))); string_class->freeze(); | const char* get_and_reset() { |
| initialize_double_class(pool, *(double_class=new(pool) VStateless_class(pool))); double_class->freeze(); | char* result=new(PointerFreeGC) char[used+1]; |
| initialize_int_class(pool, *(int_class=new(pool) VStateless_class(pool))); int_class->freeze(); | memcpy(result, buf, used+1); |
| initialize_table_class(pool, *(table_class=new(pool) VStateless_class(pool))); table_class->freeze(); | reset(); |
| return result; | |
| // read-only stateless base classes | } |
| 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(); | |
| 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() { | |
| // in various libraries | |
| gc_substitute_memory_management_functions(); | |
| // hex value | |
| setup_hex_value(); | |
| #ifdef XML | |
| // initializing xml libs | |
| /* 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; | |
| /* | |
| * 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 |