parser3/src/include/pa_stylesheet_connection.h - diff

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Diff for /parser3/src/include/pa_stylesheet_connection.h between versions 1.26 and 1.32.2.4

version 1.26, 2002/02/08 08:30:14	version 1.32.2.4, 2003/03/06 15:32:37
Line 1	Line 1
/** @file	/** @file
Parser: Stylesheet connection decl.	Parser: Stylesheet connection decl.

Copyright (c) 2001, 2002 ArtLebedev Group (http://www.artlebedev.com)	Copyright (c) 2001-2003 ArtLebedev Group (http://www.artlebedev.com)
Author: Alexandr Petrosian <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

	static const char* IDENT_STYLESHEET_CONNECTION_H="$Date$";

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

Line 17	Line 17
#include "pa_stylesheet_manager.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 26
/** 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 {
	private:

friend class Stylesheet_connection_ptr;	StringPtr 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(StringPtr 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) {}
}

const String& file_spec() { return ffile_spec; }	StringPtr 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 references()==1/!used/ && time_used<older_dies;
}	}
time_t get_time_used() { return time_used; }	time_t get_time_used() { return time_used; }

Line 66 private:	Line 66 private:

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

private:	private:
Line 77 private:	Line 77 private:
}	}

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=
xsltParseStylesheetFile(BAD_CAST ffile_spec.cstr(String::UL_FILE_SPEC));	xsltParseStylesheetFile(BAD_CAST ffile_spec->cstr(String::UL_FILE_SPEC).get());
if(!nstylesheet \|\| xmlHaveGenericErrors()) {	xmlDoValidityCheckingDefaultValue = saved;//
	if(xmlHaveGenericErrors()) {
GdomeException exc=0;	GdomeException exc=0;
throw Exception(0, 0,	throw Exception(ffile_spec, exc);
&ffile_spec,
exc);
}	}
	if(!nstylesheet)
	throw Exception("file.missing",
	ffile_spec,
	"stylesheet failed to load");

xsltFreeStylesheet(fstylesheet);	xsltFreeStylesheet(fstylesheet);
fstylesheet=nstylesheet;	fstylesheet=nstylesheet;
Line 96 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);	StringPtr 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;	StringPtr stat_file_spec=file_readable(stamp_file_spec)?stamp_file_spec:ffile_spec;
file_stat(stat_file_spec,	file_stat(stat_file_spec,
size,	size,
atime, mtime, ctime,	atime, mtime, ctime,
Line 107 private:	Line 110 private:
return mtime;	return mtime;
}	}

private: // connection usage methods	void touch() {

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++;
}	}
void unuse() {
used--;
if(!used)
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	DECLARE_OBJECT_PTR(Stylesheet_connection);
class Stylesheet_connection_ptr {
Stylesheet_connection *fconnection;
public:
explicit Stylesheet_connection_ptr(Stylesheet_connection *aconnection) :
fconnection(aconnection) {
fconnection->use();
}
~Stylesheet_connection_ptr() {
fconnection->unuse();
}
Stylesheet_connection* operator->() {
return fconnection;
}

// copying
Stylesheet_connection_ptr(const Stylesheet_connection_ptr& src) : fconnection(src.fconnection) {
fconnection->use();
}
Stylesheet_connection_ptr& operator =(const Stylesheet_connection_ptr& src) {
// may do without this=src check
fconnection->unuse();
fconnection=src.fconnection;
fconnection->use();

return *this;
}
};

#endif	#endif

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Removed from v.1.26
changed lines
	Added in v.1.32.2.4