parser3/src/include/pa_stylesheet_connection.h - diff

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Diff for /parser3/src/include/pa_stylesheet_connection.h between versions 1.19 and 1.33

version 1.19, 2002/01/16 10:28:35	version 1.33, 2003/07/24 11:31:21
Line 1	Line 1
/** @file	/** @file
Parser: Stylesheet connection decl.	Parser: Stylesheet connection decl.

Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com)	Copyright (c) 2001-2003 ArtLebedev Group (http://www.artlebedev.com)
Author: Alexander Petrosyan <paf@design.ru> (http://paf.design.ru)	Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru)

$Id$
*/	*/

#ifndef PA_STYLESHEET_CONNECTION_H	#ifndef PA_STYLESHEET_CONNECTION_H
#define PA_STYLESHEET_CONNECTION_H	#define PA_STYLESHEET_CONNECTION_H

#include "libxslt/libxslt.h"	static const char* IDENT_STYLESHEET_CONNECTION_H="$Date$";

	#include "libxslt/xslt.h"
#include "libxslt/xsltInternals.h"	#include "libxslt/xsltInternals.h"

#include "pa_pool.h"
#include "pa_stylesheet_manager.h"
#include "pa_exception.h"	#include "pa_exception.h"
#include "pa_common.h"	#include "pa_common.h"
	#include "pa_globals.h"

// defines	// defines

Line 25	Line 25
/** Connection with stylesheet:	/** Connection with stylesheet:
remembers time and can figure out that it needs recompilation	remembers time and can figure out that it needs recompilation
*/	*/
class Stylesheet_connection : public Pooled {	class Stylesheet_connection: public PA_Object {

friend class Stylesheet_connection_ptr;	friend class Stylesheet_connection_ptr;

	private:

	const String& ffile_spec;
	xsltStylesheet *fstylesheet;
	time_t time_used;
	time_t prev_disk_time;

public:	public:

Stylesheet_connection(Pool& pool, const String& afile_spec) : Pooled(pool),	Stylesheet_connection(const String& afile_spec):
ffile_spec(afile_spec),	ffile_spec(afile_spec),
prev_disk_time(0),	prev_disk_time(0),
fservices_pool(0),
fstylesheet(0),	fstylesheet(0),
time_used(0), used(0) {	time_used(0), used(0) {}
}

const String& file_spec() { return ffile_spec; }	const String& file_spec() { return ffile_spec; }

void set_services(Pool *aservices_pool) {
fservices_pool=aservices_pool;
}
bool expired(time_t older_dies) {	bool expired(time_t older_dies) {
return !used && time_used<older_dies;	return !used && time_used<older_dies;
}	}
Line 65 public:	Line 67 public:
private:	private:

/// return to cache	/// return to cache
void close() {	void close();
stylesheet_manager->close_connection(ffile_spec, *this);
}

private:	private:

Line 76 private:	Line 76 private:
return now_disk_time>prev_disk_time?now_disk_time:0;	return now_disk_time>prev_disk_time?now_disk_time:0;
}	}

/// @test grab errors
void load(time_t new_disk_time) {	void load(time_t new_disk_time) {
Pool& pool=*fservices_pool;	int saved=xmlDoValidityCheckingDefaultValue;//
	xmlDoValidityCheckingDefaultValue=0;//
xsltStylesheet *nstylesheet;	xsltStylesheet *nstylesheet=
nstylesheet=xsltParseStylesheetFile(BAD_CAST ffile_spec.cstr(String::UL_FILE_SPEC));	xsltParseStylesheetFile(BAD_CAST ffile_spec.cstr(String::L_FILE_SPEC));
	xmlDoValidityCheckingDefaultValue = saved;//
	if(xmlHaveGenericErrors()) {
	GdomeException exc=0;
	throw Exception(&ffile_spec, exc);
	}
if(!nstylesheet)	if(!nstylesheet)
throw Exception(0, 0,	throw Exception("file.missing",
&ffile_spec,	&ffile_spec,
"error compiling. TODO: grab errors");	"stylesheet failed to load");

xsltFreeStylesheet(fstylesheet);	xsltFreeStylesheet(fstylesheet);
fstylesheet=nstylesheet;	fstylesheet=nstylesheet;
Line 95 private:	Line 99 private:
time_t get_disk_time() {	time_t get_disk_time() {
size_t size;	size_t size;
time_t atime, mtime, ctime;	time_t atime, mtime, ctime;
String stamp_file_spec(ffile_spec);	String stamp_file_spec(ffile_spec);
stamp_file_spec << STYLESHEET_FILENAME_STAMP_SUFFIX;	stamp_file_spec << STYLESHEET_FILENAME_STAMP_SUFFIX;
// {file_spec}.stamp modification time OR {file_spec}	// {file_spec}.stamp modification time OR {file_spec}
const String& stat_file_spec=file_readable(stamp_file_spec)?stamp_file_spec:ffile_spec;	const String& stat_file_spec=file_readable(stamp_file_spec)?stamp_file_spec:ffile_spec;
Line 108 private:	Line 112 private:

private: // connection usage methods	private: // connection usage methods

	int used;
void use() {	void use() {
time_used=time(0); // they started to use at this time	time_used=time(0); // they started to use at this time
used++;	used++;
Line 118 private: // connection usage methods	Line 123 private: // connection usage methods
close();	close();
}	}

private: // connection usage data

int used;

private:

const String& ffile_spec;
xsltStylesheet *fstylesheet;
time_t time_used;
time_t prev_disk_time;

private:

Pool *fservices_pool;

private:
void *malloc(size_t size) { return fservices_pool->malloc(size); }
void *calloc(size_t size) { return fservices_pool->calloc(size); }
};	};

/// Auto-object used to track Stylesheet_connection usage	/// Auto-object used to track Stylesheet_connection usage
Line 152 public:	Line 139 public:
Stylesheet_connection* operator->() {	Stylesheet_connection* operator->() {
return fconnection;	return fconnection;
}	}
	/* Stylesheet_connection& operator*() {
	return *fconnection;
	}*/

// copying	// copying
Stylesheet_connection_ptr(const Stylesheet_connection_ptr& src) : fconnection(src.fconnection) {	Stylesheet_connection_ptr(const Stylesheet_connection_ptr& src) : fconnection(src.fconnection) {

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Removed from v.1.19
changed lines
	Added in v.1.33