--- parser3/src/main/pa_globals.C	2002/01/23 09:47:02	1.105
+++ parser3/src/main/pa_globals.C	2002/03/05 07:48:06	1.118
@@ -1,18 +1,15 @@
 /** @file
 	Parser: globals.
 
-	Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com)
-	Author: Alexander Petrosyan <paf@design.ru> (http://paf.design.ru)
+	Copyright (c) 2001, 2002 ArtLebedev Group (http://www.artlebedev.com)
+	Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru)
 
-	$Id: pa_globals.C,v 1.105 2002/01/23 09:47:02 paf Exp $
+	$Id: pa_globals.C,v 1.118 2002/03/05 07:48:06 paf Exp $
 */
 
 #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" {
@@ -32,10 +29,6 @@ extern "C" {
 #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;
@@ -85,12 +78,14 @@ String *hash_default_element_name;
 
 Hash *untaint_lang_name2enum;
 
-GdomeDOMImplementation *domimpl;
-
 Charset *utf8_charset;
 
 short hex_value[0x100];
 
+#ifdef XML
+GdomeDOMImplementation *domimpl;
+#endif
+
 static void setup_hex_value() {
 	memset(hex_value, 0, sizeof(hex_value));
 	hex_value['0'] = 0;	
@@ -193,6 +188,93 @@ const char *xmlGenericErrors() {
 	// it is up to caller to free it
 	return result;
 }
+
+/**
+ * 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);
+}
+
+
+/**
+ * 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
+xmlFileRead (void * context, char * buffer, int len) {
+    return(fread(&buffer[0], 1,  len, (FILE *) context));
+}
+
+/**
+ * xmlFileWrite:
+ * @context:  the I/O context
+ * @buffer:  where to drop data
+ * @len:  number of bytes to write
+ *
+ * Write @len bytes from @buffer to the I/O channel.
+ *
+ * Returns the number of bytes written
+ */
+static int
+xmlFileWrite (void * context, const char * buffer, int len) {
+    return(fwrite(&buffer[0], 1,  len, (FILE *) context));
+}
+
+/**
+ * xmlFileClose:
+ * @context:  the I/O context
+ *
+ * Close an I/O channel
+ */
+static int
+xmlFileClose (void * context) {
+    return ( ( fclose((FILE *) context) == EOF ) ? -1 : 0 );
+}
+
 #endif
 
 void pa_globals_destroy(void *) {
@@ -211,7 +293,7 @@ void pa_globals_destroy(void *) {
 	}
 }
 
-/// @test // replace entities on load. WARNING: in sources there is a 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(Pool& pool) {
 	pool.register_cleanup(pa_globals_destroy, 0);
 
@@ -304,12 +386,6 @@ void pa_globals_init(Pool& pool) {
 	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
 
@@ -332,6 +408,15 @@ void pa_globals_init(Pool& pool) {
 	 * 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;
@@ -348,6 +433,11 @@ void pa_globals_init(Pool& pool) {
 //	FILE *f=fopen("y:\\xslt.log", "wt");
 //	xsltSetGenericDebugFunc(f/*stderr*/, 0);
 
+	// http://localhost/abc -> $ENV{DOCUMENT_ROOT}/abc | ./abc
+	xmlRegisterInputCallbacks(
+		xmlFileMatchLocalhost, xmlFileOpenLocalhost,
+		xmlFileRead, xmlFileClose);
+
 	// XSLT stylesheet manager
 	cache_managers->put(*NEW String(pool, "stylesheet"), 
 		stylesheet_manager=NEW Stylesheet_manager(pool));
@@ -357,22 +447,15 @@ void pa_globals_init(Pool& pool) {
 #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"
 #	ifdef _DEBUG
-#		pragma comment(lib, LIBDB2_WIN32_BUILD "/debug/libdb.lib")
+#		pragma comment(lib, XML_LIBS "/libxml2-x.x.x/win32/dsp/libxml2_so_debug/libxml2.lib")
+#		pragma comment(lib, XML_LIBS "/libxslt-x.x.x/win32/dsp/libexslt_so_debug/libexslt.lib")
+#		pragma comment(lib, XML_LIBS "/libxslt-x.x.x/win32/dsp/libxslt_so_debug/libxslt.lib")
+#		pragma comment(lib, XML_LIBS "/gdome2-x.x.x/win32/dsp/Debug/libgdome.lib")
 #	else
-#		pragma comment(lib, LIBDB2_WIN32_BUILD "/release/libdb.lib")
+#		pragma comment(lib, XML_LIBS "/libxml2-x.x.x/win32/dsp/libxml2_so_release/libxml2.lib")
+#		pragma comment(lib, XML_LIBS "/libxslt-x.x.x/win32/dsp/libexslt_so_release/libexslt.lib")
+#		pragma comment(lib, XML_LIBS "/libxslt-x.x.x/win32/dsp/libxslt_so_release/libxslt.lib")
+#		pragma comment(lib, XML_LIBS "/gdome2-x.x.x/win32/dsp/Release/libgdome.lib")
 #	endif
 #endif