--- parser3/src/main/pa_globals.C 2003/04/02 07:42:44 1.152.2.19.2.13 +++ parser3/src/main/pa_globals.C 2017/02/07 22:00:43 1.198 @@ -1,51 +1,53 @@ /** @file Parser: globals. - Copyright (c) 2001-2003 ArtLebedev Group (http://www.artlebedev.com) + Copyright (c) 2001-2017 Art. Lebedev Studio (http://www.artlebedev.com) Author: Alexandr Petrosian (http://paf.design.ru) */ -static const char* IDENT_GLOBALS_C="$Date: 2003/04/02 07:42:44 $"; - #include "pa_config_includes.h" #ifdef XML +#include "libxml/xmlversion.h" #include "libxslt/extensions.h" #include "libxslt/xsltutils.h" extern "C" { #include "libexslt/exslt.h" -}; +} #endif #include "pa_globals.h" -#include "pa_string.h" #include "pa_sapi.h" #include "pa_threads.h" +#include "pa_xml_io.h" +#include "pa_common.h" +#include "pa_symbols.h" +#include "pa_cache_managers.h" + +#include "ltdl.h" +#include "pcre.h" + +volatile const char * IDENT_PA_GLOBALS_C="$Id: pa_globals.C,v 1.198 2017/02/07 22:00:43 moko Exp $" IDENT_PA_GLOBALS_H IDENT_PA_SAPI_H; // defines -#define PA_DEBUG_XML_GC_MEMORY +//#define PA_DEBUG_XML_GC_MEMORY // globals -short hex_value[0x100]; - -#ifdef XML -GdomeDOMImplementation *domimpl; -#endif +short hex_value[0x100]={0}; 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['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; @@ -61,204 +63,168 @@ static void setup_hex_value() { hex_value['f'] = 15; } -#ifdef XML +THREAD_LOCAL Request* thread_request=NULL; + +void pa_register_thread_request(Request& r) { + thread_request=&r; +} +/// retrives request set by pa_set_request function, useful in contextless places [slow] +Request& pa_thread_request() { + return *thread_request; +} -const int MAX_CONCURRENT_XML_GENERIC_ERROR_THREADS=10; + +#ifdef XML class XML_Generic_error_info { -public: - pa_thread_t thread_id; - char buf[MAX_STRING]; +public:/*internal, actually*/ + char buf[MAX_STRING*5]; size_t used; public: XML_Generic_error_info() { - reset(); - } - void reset() { - thread_id=0; buf[used=0]=0; } - const char* getnd_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) { - for(int i=0; ithread_id==thread_id) - return p; + const char* get() { + return used? buf: 0; } - 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; - } +THREAD_LOCAL XML_Generic_error_info* xml_generic_error_info = NULL; - p->thread_id=thread_id; +static void xmlParserGenericErrorFunc(void * /*ctx*/, const char* msg, ...) { + XML_Generic_error_info* p; + + if(!(p=xml_generic_error_info)) // occupy empty one + p=xml_generic_error_info=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; - } + va_list args; + va_start(args, msg); + p->used+=vsnprintf(p->buf+p->used, sizeof(p->buf)-p->used, msg, args); + va_end(args); } bool xmlHaveGenericErrors() { - pa_thread_t thread_id=pa_get_thread_id(); + return xml_generic_error_info!=0; +} - SYNCHRONIZED; // find blocked +const char* xmlGenericErrors() { + if(XML_Generic_error_info *p=xml_generic_error_info) { + xml_generic_error_info=0; + return p->get(); + } - return xml_generic_error_info(thread_id)!=0; + return 0; // no errors for our thread_id registered } -const char* xmlGenericErrors() { - pa_thread_t thread_id=pa_get_thread_id(); +#endif // XML - SYNCHRONIZED; // find+free blocked +#ifdef XML - XML_Generic_error_info *p=xml_generic_error_info(thread_id); - if(!p) // no errors for our thread_id registered +static char *pa_GC_strdup(const char *s) { + if(!s) return 0; - return p->getnd_reset(); -} + size_t size=strlen(s)+1; + char *result=(char *)pa_gc_malloc_atomic(size); -/** - * 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); + if(!result) + pa_fail_alloc("duplicate XML string",size); + + memcpy(result, s, size); +#ifdef PA_DEBUG_XML_GC_MEMORY + fprintf(stderr, "pa_GC_strdup(%p=%s, length=%d)=0x%p\n", s, s, size, result); +#endif + return result; } +#ifdef PA_DEBUG_XML_GC_MEMORY -/** - * 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]); +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); + return p; + +} -#ifdef WIN32 - fd = fopen(path, "rb"); -#else - fd = fopen(path, "r"); -#endif /* WIN32 */ - return((void *) fd); +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); + return p; } -/** - * 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)); +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); + return p; } -/** - * xmlFileClose: - * @context: the I/O context - * - * Close an I/O channel - */ -static int -pa_xmlFileClose (void * context) { - return ( ( fclose((FILE *) context) == EOF ) ? -1 : 0 ); +static void pa_gc_free_log(void *p){ + fprintf(stderr, "pa_gc_free_log(0x%p)\n", p); + pa_gc_free(p); } -#endif +#else -void pa_globals_destroy(void *) { - try { -#ifdef XML - GdomeException exc; - gdome_di_unref (domimpl, &exc); -#endif - } catch(const Exception& e) { - SAPI::abort("pa_globals_destroy failed: %s", e.comment()); - } +inline void *check(void *result, const char *where, size_t size) { + if(!result) + pa_fail_alloc(where, size); + return result; } +static void* pa_gc_malloc_nonull(size_t size) { + return check(pa_gc_malloc(size), "allocate XML compsite memory", size); +} -#ifdef XML -static char *pa_GC_strdup(const char *s) { - if(!s) - return 0; +static void* pa_gc_malloc_atomic_nonull(size_t size) { + return check(pa_gc_malloc_atomic(size), "allocate XML atomic memory", size); +} - size_t size=strlen(s)+1; - char *result=(char *)GC_malloc_atomic(size); - memcpy(result, s, size); - return result; +static void* pa_gc_realloc_nonull(void* ptr, size_t size) { + return check(pa_gc_realloc(ptr, size), "reallocate XML memory", size); } + +static void pa_gc_free_maybeignore(void* ptr) { + pa_gc_free(ptr); +} + #endif +#endif // XML + void pa_CORD_oom_fn(void) { - SAPI::abort("out of memory (while expanding string)"); + pa_fail_alloc("expand string", 0); } /** - @todo gc: pcre: substitute pcre_malloc &co @todo gc: libltdl: substitute lt_dlmalloc & co - @todo gc: figure out how to substitute glib memory allocator */ -static gc_substitute_memory_management_functions() { +static void gc_substitute_memory_management_functions() { // in libxml & libxslt #ifdef XML // asking to use GC memory - xmlMemSetup( - /*xmlFreeFunc */pa_gc_free, - /*xmlMallocFunc */pa_gc_malloc, - /*xmlReallocFunc */pa_gc_realloc, +#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_maybeignore, + /*xmlMallocFunc */pa_gc_malloc_nonull, + /*xmlMallocFunc */pa_gc_malloc_atomic_nonull, + /*xmlReallocFunc */pa_gc_realloc_nonull, /*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; } @@ -266,33 +232,33 @@ static gc_substitute_memory_management_f @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 setup_hex_value(); +#ifdef SYMBOLS_CACHING + // symbols cache + Symbols::init(); +#endif + #ifdef XML // initializing xml libs - /* First get a DOMImplementation reference */ - domimpl = gdome_di_mkref (); - /* - * Register the EXSLT extensions and the test module - */ + // Register the EXSLT extensions and the test module exsltRegisterAll(); xsltRegisterTestModule(); xmlDefaultSAXHandlerInit(); - /* - * disable CDATA from being built in the document tree - */ + + // 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. - */ + // 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 @@ -311,89 +277,89 @@ void pa_globals_init() { xmlLoadExtDtdDefaultValue |= XML_COMPLETE_ATTRS; // validate each document after load/create (?) - //xmlDoValidityCheckingDefaultValue = 1; + // xmlDoValidityCheckingDefaultValue = 1; -//regretfully this not only replaces entities on parse, but also on generate xmlSubstituteEntitiesDefault(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"); + +// FILE *f=fopen("xslt.log", "wt"); // xsltSetGenericDebugFunc(f/*stderr*/, 0); - // http://localhost/abc -> $ENV{DOCUMENT_ROOT}/abc | ./abc - xmlRegisterInputCallbacks( - xmlFileMatchLocalhost, xmlFileOpenLocalhost, - pa_xmlFileRead, pa_xmlFileClose); + pa_xml_io_init(); #endif } +static bool is_dlinited=false; + +void pa_globals_done() { + delete cache_managers; + cache_managers=0; + + if(is_dlinited) + lt_dlexit(); +} + +void pa_dlinit() { + if(!is_dlinited){ + if(lt_dlinit()) + throw Exception(0,0,"preparation for dynamic library loading failed, %s", lt_dlerror()); + is_dlinited=true; + } +} + #ifdef _MSC_VER #ifndef PA_DEBUG_DISABLE_GC -# define GC_LIB "/parser3project/win32/gc" -# ifdef _DEBUG -# pragma comment(lib, GC_LIB "/Debug/gc.lib") -# else -# pragma comment(lib, GC_LIB "/Release/gc.lib") -# endif +#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 // PA_DEBUG_DISABLE_GC + + #ifdef XML -# define GNOME_LIBS "/parser3project/win32xml/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/dsp/libxml2_DebugStatic/libxml2.lib") -# else -# pragma comment(lib, GNOME_LIBS "/gnome-xml/win32/dsp/libxml2_DebugDynamic/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 +#define GNOME_LIBS "../../../../win32/gnome" + +#ifdef _DEBUG +#define LIB_XML GNOME_LIBS "/libxml2-x.x.x/win32/debug/lib/" +#define LIB_XSLT GNOME_LIBS "/libxslt-x.x.x/win32/debug/lib/" #else +#define LIB_XML GNOME_LIBS "/libxml2-x.x.x/win32/release/lib/" +#define LIB_XSLT GNOME_LIBS "/libxslt-x.x.x/win32/release/lib/" +#endif -# ifdef LIBXML_STATIC -# pragma comment(lib, GNOME_LIBS "/gnome-xml/win32/dsp/libxml2_ReleaseStatic/libxml2.lib") -# else -# pragma comment(lib, GNOME_LIBS "/gnome-xml/win32/dsp/lixml2_ReleaseDynamic/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 +#ifdef LIBXML_STATIC +#pragma comment(lib, LIB_XML "libxml2_a.lib") +#else +#pragma comment(lib, LIB_XML "libxml2.lib") +#endif -# endif +#ifdef LIBXSLT_STATIC +#pragma comment(lib, LIB_XSLT "libxslt_a.lib") +#else +#pragma comment(lib, LIB_XSLT "libxslt.lib") #endif +#ifdef LIBEXSLT_STATIC +#pragma comment(lib, LIB_XSLT "libexslt_a.lib") +#else +#pragma comment(lib, LIB_XSLT "libexslt.lib") #endif + +#endif // XML + +// defines for VS2015 to link with gc/xml libs compiled in the previous VS versions +#if _MSC_VER >= 1900 +#pragma comment(lib,"legacy_stdio_definitions.lib") +extern "C" { FILE _iob[3] = { *stdin, *stdout, *stderr }; } +#endif + +#endif // _MSC_VER