--- parser3/src/main/pa_globals.C	2003/01/23 17:05:34	1.152.2.2
+++ parser3/src/main/pa_globals.C	2024/11/11 05:28:00	1.216
@@ -1,414 +1,276 @@
 /** @file
 	Parser: globals.
 
-	Copyright (c) 2001, 2003 ArtLebedev Group (http://www.artlebedev.com)
-	Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru)
+	Copyright (c) 2001-2024 Art. Lebedev Studio (http://www.artlebedev.com)
+	Authors: Konstantin Morshnev <moko@design.ru>, Alexandr Petrosian <paf@design.ru>
 */
 
-static const char* IDENT_GLOBALS_C="$Date: 2003/01/23 17:05:34 $";
-
 #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_hash.h"
-#include "pa_sql_driver_manager.h"
-#include "pa_dictionary.h"
-#include "pa_stylesheet_manager.h"
+#include "pa_socks.h"
 #include "pa_sapi.h"
-#include "pa_cache_managers.h"
-#include "pa_charsets.h"
-#include "pa_charset.h"
-#include "pa_threads.h"
-
-#define AUTO_FILE_NAME "auto.p"
-
-#define CONTENT_TYPE_NAME "content-type"
-#define CHARSET_NAME "charset"
-#define BODY_NAME "body"
-#define DOWNLOAD_NAME "download"
-#define VALUE_NAME "value"
-#define EXPIRES_NAME "expires"
-#define PATH_NAME "path"
-#define NAME_NAME "name"
-#define NONAME_DAT "noname.dat"
-#define SIZE_NAME "size"
-#define TEXT_NAME "text"
-
-#define CONF_METHOD_NAME "conf"
-#define AUTO_METHOD_NAME "auto"
-
-#define MAIN_CLASS_NAME "MAIN"
-
-#define DEFAULTS_NAME "DEFAULTS"
-#define CHARSETS_NAME "CHARSETS"
-#define MIME_TYPES_NAME "MIME-TYPES"
-#define ORIGINS_MODE_NAME "ORIGINS"
-
-#define RESULT_VAR_NAME "result"
-#define MATCH_VAR_NAME "match"
-
-#define EXCEPTION_VAR_NAME "exception"
-#define EXCEPTION_TYPE_PART_NAME "type"
-#define EXCEPTION_SOURCE_PART_NAME "source"
-#define EXCEPTION_COMMENT_PART_NAME "comment"
-#define EXCEPTION_HANDLED_PART_NAME "handled"
-
-
-#define DATE_CALENDAR_WEEKNO_NAME "week"
-#define DATE_CALENDAR_WEEKYEAR_NAME "year"
-
-#define CONTENT_DISPOSITION_NAME "content-disposition"
-#define CONTENT_DISPOSITION_VALUE "attachment"
-#define CONTENT_DISPOSITION_FILENAME_NAME "filename"
+#include "pa_xml_io.h"
+#include "pa_common.h"
+#include "pa_symbols.h"
 
-#define SWITCH_DATA_NAME "SWITCH-DATA"
-
-#define CACHE_DATA_NAME "CACHE-DATA"
-
-#define CLASS_PATH_NAME "CLASS_PATH"
+#include "pa_cache_managers.h"
 
-#define SQL_LIMIT_NAME "limit"
-#define SQL_OFFSET_NAME "offset"
-#define SQL_DEFAULT_NAME "default"
-#define SQL_DISTINCT_NAME "distinct"
+#include "ltdl.h"
+#include "pa_vregex.h"
 
-#define CHARSET_UTF8_NAME "UTF-8"
+volatile const char * IDENT_PA_GLOBALS_C="$Id: pa_globals.C,v 1.216 2024/11/11 05:28:00 moko Exp $" IDENT_PA_GLOBALS_H IDENT_PA_SAPI_H;
 
-#define HASH_DEFAULT_ELEMENT_NAME "_default"
+// defines
 
-#define HTTP_METHOD_NAME  "method"
-#define HTTP_TIMEOUT_NAME    "timeout"
-#define HTTP_HEADERS_NAME "headers"
-#define HTTP_ANY_STATUS_NAME "any-status"
-#define FILE_STATUS_NAME  "status"
+//#define PA_DEBUG_XML_GC_MEMORY
 
-String content_type_name(CONTENT_TYPE_NAME);
-String charset_name(CHARSET_NAME);
-String body_name(BODY_NAME);
-String download_name(DOWNLOAD_NAME);
-String value_name(VALUE_NAME);
-String expires_name(EXPIRES_NAME);
-String path_name(PATH_NAME);
-String name_name(NAME_NAME);
-String size_name(SIZE_NAME);
-String text_name(TEXT_NAME);
+// globals
 
-String content_disposition_name(CONTENT_DISPOSITION_NAME);
-String content_disposition_value(CONTENT_DISPOSITION_VALUE);
-String content_disposition_filename_name(CONTENT_DISPOSITION_FILENAME_NAME);
+short hex_value[0x100] = {
+	  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
+	  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
+	  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
+	  0,  1,  2,  3,  4,  5,  6,  7,  8,  9,  0,  0,  0,  0,  0,  0,
+	  0, 10, 11, 12, 13, 14, 15,  0,  0,  0,  0,  0,  0,  0,  0,  0,
+	  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
+	  0, 10, 11, 12, 13, 14, 15,  0,  0,  0,  0,  0,  0,  0,  0,  0,
+};
 
-String conf_method_name(CONF_METHOD_NAME);
-String auto_method_name(AUTO_METHOD_NAME);
+THREAD_LOCAL Request* thread_request=NULL; // every TLS should be referenced elsewhere, or GC will collect it
 
-String main_class_name(MAIN_CLASS_NAME);
+void pa_register_thread_request(Request& r) {
+	thread_request=&r;
+}
 
-String result_var_name(RESULT_VAR_NAME);
-String match_var_name(MATCH_VAR_NAME);
+/// retrives request set by pa_set_request function, useful in contextless places [slow]
+Request& pa_thread_request() {
+	if(!thread_request)
+		throw Exception(0, 0, "request is not initialized");
+	return *thread_request;
+}
 
-String exception_var_name(EXCEPTION_VAR_NAME);
-String exception_type_part_name(EXCEPTION_TYPE_PART_NAME);
-String exception_source_part_name(EXCEPTION_SOURCE_PART_NAME);
-String exception_comment_part_name(EXCEPTION_COMMENT_PART_NAME);
-String exception_handled_part_name(EXCEPTION_HANDLED_PART_NAME);
 
-String charsets_name(CHARSETS_NAME);
-String mime_types_name(MIME_TYPES_NAME);
-String vfile_mime_type_name(VFILE_MIME_TYPE_NAME);
-String origins_mode_name(ORIGINS_MODE_NAME);
+#ifdef XML
 
-String class_path_name(CLASS_PATH_NAME);
+class XML_Generic_error_info {
+public:/*internal, actually*/
+	char buf[MAX_STRING*5];
+	size_t used;
+public:
+	XML_Generic_error_info() {
+		buf[used=0]=0;
+	}
+	const char* get() {
+		return used? buf: 0;
+	}
+};
 
-//^switch ^case
-String switch_data_name(SWITCH_DATA_NAME);
+THREAD_LOCAL XML_Generic_error_info* xml_generic_error_info = NULL;
 
-//^cache
-String cache_data_name(CACHE_DATA_NAME);
+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);
+}
 
-// sql
-String sql_limit_name(SQL_LIMIT_NAME);
-String sql_offset_name(SQL_OFFSET_NAME);
-String sql_default_name(SQL_DEFAULT_NAME);
-String sql_distinct_name(SQL_DISTINCT_NAME);
+bool xmlHaveGenericErrors() {
+	return xml_generic_error_info!=0;
+}
 
-// charsets
-String charset_UTF8_name(CHARSET_UTF8_NAME);
+const char* xmlGenericErrors() {
+	if(XML_Generic_error_info *p=xml_generic_error_info) {
+		xml_generic_error_info=0;
+		return p->get();
+	}
 
-// hash
-String hash_default_element_name(HASH_DEFAULT_ELEMENT_NAME);
+	return 0; // no errors for our thread_id registered
+}
 
-// http
-String http_method_name(HTTP_METHOD_NAME);
-String http_timeout_name(HTTP_TIMEOUT_NAME);
-String http_headers_name(HTTP_HEADERS_NAME);
-String http_any_status_name(HTTP_ANY_STATUS_NAME);
-String file_status_name(FILE_STATUS_NAME);
+#endif // XML
 
+#ifdef XML
 
-Table date_calendar_table_template;
+static char *pa_GC_strdup(const char *s) {
+	if(!s)
+		return 0;
 
-Charset utf8_charset;
+	size_t size=strlen(s)+1;
+	char *result=(char *)GC_MALLOC_ATOMIC(size);
 
-short hex_value[0x100];
+	if(!result)
+		pa_fail_alloc("duplicate XML string",size);
 
-#ifdef XML
-GdomeDOMImplementation *domimpl;
+	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
-
-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['9'] = 9;
-	hex_value['A'] = 10;
-	hex_value['B'] = 11;
-	hex_value['C'] = 12;
-	hex_value['D'] = 13;
-	hex_value['E'] = 14;
-	hex_value['F'] = 15;
-	hex_value['a'] = 10;
-	hex_value['b'] = 11;
-	hex_value['c'] = 12;
-	hex_value['d'] = 13;
-	hex_value['e'] = 14;
-	hex_value['f'] = 15;
+	return result;
 }
 
-#ifdef XML
+#ifdef PA_DEBUG_XML_GC_MEMORY
 
-const int MAX_CONCURRENT_XML_GENERIC_ERROR_THREADS=10;
+static void* pa_gc_malloc_log(size_t size){
+	void *p=GC_MALLOC(size);
+        fprintf(stderr, "pa_gc_malloc_log(%d)=0x%p\n", size, p);
+	return p;
+        
+}
 
-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* pa_gc_malloc_atomic_log(size_t size){
+	void *p=GC_MALLOC_ATOMIC(size);
+        fprintf(stderr, "pa_gc_malloc_atomic_log(%d)=0x%p\n", size, p);
+	return p;
 }
 
-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);
+static void* pa_gc_realloc_log(void *ptr, size_t size){
+	void *p=GC_REALLOC(ptr, size);
+        fprintf(stderr, "pa_gc_realloc_log(0x%p, %d)=0x%p\n", ptr, size, p);
+	return p;
+}
 
-		break;
-	}
+static void pa_gc_free_log(void *p){
+        fprintf(stderr, "pa_gc_free_log(0x%p)\n", p);
+        GC_FREE(p);
 }
 
-bool xmlHaveGenericErrors() {
-    pa_thread_t thread_id=pa_get_thread_id();
+#else
 
-	SYNCHRONIZED;  // find blocked
+inline void *check(void *result, const char *where, size_t size) {
+	if(!result)
+		pa_fail_alloc(where, size);
+	return result;
+}
 
-	return xml_generic_error_info(thread_id)!=0;
+static void* pa_gc_malloc_nonull(size_t size) { 
+	return check(GC_MALLOC(size), "allocate XML compsite memory", size);
 }
 
-const char *xmlGenericErrors() {
-    pa_thread_t thread_id=pa_get_thread_id();
+static void* pa_gc_malloc_atomic_nonull(size_t size) { 
+	return check(GC_MALLOC_ATOMIC(size), "allocate XML atomic memory", size);
+}
 
-	SYNCHRONIZED;  // find+free blocked
+static void* pa_gc_realloc_nonull(void* ptr, size_t size) { 
+	return check(GC_REALLOC(ptr, size), "reallocate XML memory", size);
+}
 
-	XML_Generic_error_info *p=xml_generic_error_info(thread_id);
-	if(!p) // no errors for our thread_id registered
-		return 0;
+static void pa_gc_free_maybeignore(void* ptr) {
+	GC_FREE(ptr);
+}
 
-	const char *result=p->message;
+#endif
 
-	// free slot up 
-	memset(p, 0, sizeof(*p));
+#endif // XML
 
-	// it is up to caller to free it
-	return result;
-}
+#ifdef HAVE_PCRE2
+pcre2_general_context* VRegex::fgen_ctxt;
 
-/**
- * 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);
+static void* pa_pcre_malloc(size_t size, void *ptr){
+	return pa_malloc(size);
 }
 
-
-/**
- * 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);
+static void pa_pcre_free(void *ptr, void *tag){
+	pa_free(ptr);
 }
+#endif
 
-/**
- * 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));
+
+void pa_CORD_oom_fn(void) {
+	pa_fail_alloc("expand string", 0);
 }
 
 /**
- * xmlFileClose:
- * @context:  the I/O context
- *
- * Close an I/O channel
- */
-static int
-pa_xmlFileClose (void * context) {
-    return ( ( fclose((FILE *) context) == EOF ) ? -1 : 0 );
-}
+	@todo gc: libltdl: substitute lt_dlmalloc & co
+*/
+static void gc_substitute_memory_management_functions() {
+	// in libxml & libxslt
+#ifdef XML
+	// asking to use GC memory
+#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
 
-void pa_globals_destroy(void *) {
-	try {
-#ifdef XML
-		GdomeException exc;
-		gdome_di_unref (domimpl, &exc);
+	// pcre
+#ifdef HAVE_PCRE2
+	VRegex::fgen_ctxt=pcre2_general_context_create(pa_pcre_malloc, pa_pcre_free, NULL);
+#else
+	pcre_malloc=pa_malloc;
+	pcre_free=pa_free;
 #endif
-		if(cache_managers)
-			cache_managers->~Cache_managers();
 
-		charsets->~Charsets();
-		
-	} catch(const Exception& e) {
-		SAPI::die("pa_globals_destroy failed: %s", e.comment());
-	}
+	// cord
+	CORD_oom_fn=pa_CORD_oom_fn;
 }
 
-
-/// @test hint on one should call this for each thread xmlSubstituteEntitiesDefault(1);
+/**
+	@test hint on one should call this for each thread xmlSubstituteEntitiesDefault(1);
+*/
 void pa_globals_init() {
 
-	// hex value
-	setup_hex_value();
+#ifndef PA_DEBUG_DISABLE_GC
+	// Dont collect unless explicitly requested. This is quicker (~30% ),
+	// but less memory-efficient(~8%), so deciding for speed.
+	GC_disable();
+	// as we log allocation errors, we don't need default gc warnings (without timestamp and URI)
+	GC_set_warn_proc(GC_ignore_warn_proc);
+#endif
 
-	// 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);
-	}
+	// init socks
+	pa_socks_init();
 
-	// charsets
-	charsets=NEW Charsets(pool);
-	charsets->put(*charset_UTF8_name, 
-		utf8_charset=NEW Charset(pool, *charset_UTF8_name, 0/*no file=system*/));
+	// global variables
+	cache_managers=new Cache_managers;
 
+	// in various libraries
+	gc_substitute_memory_management_functions();
 
-	// 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 SYMBOLS_CACHING
+	// symbols cache
+	Symbols::init();
+#endif
 
 #ifdef XML
 	// initializing xml libs
 
-	/* First I 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.
-	*/
+	// 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
@@ -424,43 +286,96 @@ void pa_globals_init() {
 	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;
+	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;
 
-	memset(xml_generic_error_infos, 0, sizeof(xml_generic_error_infos));
 	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);
-
-	// XSLT stylesheet manager
-	cache_managers->put(*NEW String(pool, "stylesheet"), 
-		stylesheet_manager=NEW Stylesheet_manager(pool));
+	pa_xml_io_init();
 #endif
+
+	// init *_class variables
+	methoded_array();
 }
 
-#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
+static bool is_dlinited=false;
+
+void pa_globals_done() {
+	delete cache_managers;
+	cache_managers=0;
+
+	if(is_dlinited)
+		lt_dlexit();
+
+	pa_socks_done();
+}
+
+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
+
+#define PREFIX "../../../../win32/"
+
+#ifdef _DEBUG
+#define CONFIGURATION "Debug"
+#else
+#define CONFIGURATION "Release"
+#endif
+
+#ifdef _WIN64
+#define PLATFORM_64 "x64/"
+#define PLATFORM_32 ""
+#else
+#define PLATFORM_64 ""
+#define PLATFORM_32 "win32/"
 #endif
+
+#pragma comment(lib, PREFIX "pcre/" PLATFORM_64 CONFIGURATION "/pcre.lib")
+
+#ifndef PA_DEBUG_DISABLE_GC
+
+#pragma comment(lib, PREFIX "gc/" PLATFORM_64 CONFIGURATION "/gc.lib")
+
+#endif // PA_DEBUG_DISABLE_GC
+
+
+#ifdef XML
+
+#define GNOME_LIBS PREFIX "gnome"
+
+#define LIB_XML PREFIX "gnome/libxml2-x.x.x/" PLATFORM_64 PLATFORM_32 CONFIGURATION "/lib/"
+#define LIB_XSLT PREFIX "gnome/libxslt-x.x.x/" PLATFORM_64 PLATFORM_32 CONFIGURATION "/lib/"
+
+#ifdef XML_STATIC
+#pragma comment(lib, LIB_XML "libxml2_a.lib")
+#pragma comment(lib, LIB_XSLT "libxslt_a.lib")
+#pragma comment(lib, LIB_XSLT "libexslt_a.lib")
+#else
+#pragma comment(lib, LIB_XML "libxml2.lib")
+#pragma comment(lib, LIB_XSLT "libxslt.lib")
+#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")
+#endif
+
+#endif // _MSC_VER