parser3/src/classes/hashfile.C - diff

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Diff for /parser3/src/classes/hashfile.C between versions 1.29 and 1.45

version 1.29, 2003/11/07 13:59:21	version 1.45, 2009/05/05 10:06:57
Line 1	Line 1
/** @file	/** @file
Parser: @b hashfile parser class.	Parser: @b hashfile parser class.

Copyright (c) 2001-2003 ArtLebedev Group (http://www.artlebedev.com)	Copyright (c) 2001-2009 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)
*/	*/

	static const char * const IDENT="$Id$";
static const char* IDENT="$Id$";

#include "classes.h"	#include "classes.h"

Line 19 static const char* IDENT="$Id$";	Line 18 static const char* IDENT="$Id$";

class MHashfile : public Methoded {	class MHashfile : public Methoded {
public: // VStateless_class	public: // VStateless_class
Value *create_new_value(Pool& apool) { return new VHashfile(apool); }	Value *create_new_value(Pool& apool, HashStringValue&) { return new VHashfile(apool); }

public:	public:
MHashfile();	MHashfile();
Line 31 public: // Methoded	Line 30 public: // Methoded

DECLARE_CLASS_VAR(hashfile, new MHashfile, 0);	DECLARE_CLASS_VAR(hashfile, new MHashfile, 0);

	// externs

	extern String cycle_data_name;

	// defines for statics

	#define OPEN_DATA_NAME "HASHFILE-OPEN-DATA"

// methods	// methods

	typedef Hash<const String::Body, bool> HashStringBool;

static void _open(Request& r, MethodParams& params) {	static void _open(Request& r, MethodParams& params) {
	HashStringBool* file_list=static_cast<HashStringBool*>(r.classes_conf.get(OPEN_DATA_NAME));
	if(!file_list) {
	file_list=new HashStringBool();
	r.classes_conf.put(OPEN_DATA_NAME, file_list);
	}

	const String& file_spec=r.absolute(params.as_string(0, FILE_NAME_MUST_BE_STRING));
	if(file_list->get(file_spec))
	throw Exception(PARSER_RUNTIME,
	0,
	"this hashfile is already opened, use existing variable");
	file_list->put(file_spec, true);

VHashfile& self=GET_SELF(r, VHashfile);	VHashfile& self=GET_SELF(r, VHashfile);
	self.open(file_spec);
self.open(r.absolute(params.as_string(0, "filename must be string")));
}	}

static void _hash(Request& r, MethodParams& params) {	static void _hash(Request& r, MethodParams&) {
VHashfile& self=GET_SELF(r, VHashfile);	VHashfile& self=GET_SELF(r, VHashfile);

// write out result	// write out result
Line 50 static void _hash(Request& r, MethodPara	Line 71 static void _hash(Request& r, MethodPara
static void _delete(Request& r, MethodParams& params) {	static void _delete(Request& r, MethodParams& params) {
VHashfile& self=GET_SELF(r, VHashfile);	VHashfile& self=GET_SELF(r, VHashfile);

	if(!params.count()) {
	// ^hashfile.delete[] asked to delete hashfile itself
	self.delete_files();
	return;
	}
// key	// key
const String &key=params.as_string(0, "key must be string");	const String &key=params.as_string(0, "key must be string");
// remove	// remove
Line 58 static void _delete(Request& r, MethodPa	Line 84 static void _delete(Request& r, MethodPa

static void _clear(Request& r, MethodParams&) {	static void _clear(Request& r, MethodParams&) {
VHashfile& self=GET_SELF(r, VHashfile);	VHashfile& self=GET_SELF(r, VHashfile);
self.clear();	self.delete_files();
}	}

#ifndef DOXYGEN	#ifndef DOXYGEN
Line 75 struct Foreach_info {	Line 101 struct Foreach_info {
bool need_delim;	bool need_delim;
};	};
#endif	#endif
static void one_foreach_cycle(const String::Body key, const String& value, void* ainfo) {	static bool one_foreach_cycle(
	const String::Body key,
	const String& value,
	void* ainfo) {
Foreach_info& info=static_cast<Foreach_info>(ainfo);	Foreach_info& info=static_cast<Foreach_info>(ainfo);
info.vkey->set_string(*new String(key, String::L_TAINTED));	if(info.key_var_name){
info.vvalue->set_string(value);	info.vkey->set_string(*new String(key, String::L_TAINTED));
info.var_context->put_element(*info.key_var_name, info.vkey, false);	info.var_context->put_element(info.var_context, info.key_var_name, info.vkey, false);
info.var_context->put_element(*info.value_var_name, info.vvalue, false);	}
	if(info.value_var_name){
	info.vvalue->set_string(value);
	info.var_context->put_element(info.var_context, info.value_var_name, info.vvalue, false);
	}

StringOrValue sv_processed=info.r->process(*info.body_code);	StringOrValue sv_processed=info.r->process(*info.body_code);
	Request::Skip lskip=info.r->get_skip(); info.r->set_skip(Request::SKIP_NOTHING);

const String* s_processed=sv_processed.get_string();	const String* s_processed=sv_processed.get_string();
if(info.delim_maybe_code && s_processed && s_processed->length()) { // delimiter set and we have body	if(info.delim_maybe_code && s_processed && !s_processed->is_empty()) { // delimiter set and we have body
if(info.need_delim) // need delim & iteration produced string?	if(info.need_delim) // need delim & iteration produced string?
info.r->write_pass_lang(info.r->process(*info.delim_maybe_code));	info.r->write_pass_lang(info.r->process(*info.delim_maybe_code));
info.need_delim=true;	else
	info.need_delim=true;
}	}

info.r->write_pass_lang(sv_processed);	info.r->write_pass_lang(sv_processed);

	return lskip==Request::SKIP_BREAK;
}	}
static void _foreach(Request& r, MethodParams& params) {	static void _foreach(Request& r, MethodParams& params) {
VHashfile& self=GET_SELF(r, VHashfile);	Temp_hash_value<const String::Body, void*>
	cycle_data_setter(r.classes_conf, cycle_data_name, /any not null flag/&r);

Foreach_info info;	const String& key_var_name=params.as_string(0, "key-var name must be string");
	const String& value_var_name=params.as_string(1, "value-var name must be string");
info.r=&r;
info.key_var_name=&params.as_string(0, "key-var name must be string");
info.value_var_name=&params.as_string(1, "value-var name must be string");
info.body_code=&params.as_junction(2, "body must be code");
info.delim_maybe_code=params.count()>3?params.get(3):0;

info.var_context=info.body_code->get_junction()->wcontext;
info.vkey=new VString;
info.vvalue=new VString;

info.need_delim=false;	Foreach_info info={
	&r,
	key_var_name.is_empty()? 0 : &key_var_name,
	value_var_name.is_empty()? 0 : &value_var_name,
	&params.as_junction(2, "body must be code"),
	/delimiter/params.count()>3 ? params.get(3) : 0,
	/var_context/r.get_method_frame()->caller(),
	/vkey=/new VString,
	/vvalue=/new VString,
	false
	};

	VHashfile& self=GET_SELF(r, VHashfile);
self.for_each(one_foreach_cycle, &info);	self.for_each(one_foreach_cycle, &info);
}	}

	static bool one_cleanup_cycle(const String::Body, const String&, void*) {
	return false;
	}
	static void _cleanup(Request& r, MethodParams&) {
	VHashfile& self=GET_SELF(r, VHashfile);

	self.for_each(one_cleanup_cycle, 0);
	}

	static void _release(Request& r, MethodParams&) {
	VHashfile& self=GET_SELF(r, VHashfile);
	self.close();
	}

// constructor	// constructor

MHashfile::MHashfile(): Methoded("hashfile") {	MHashfile::MHashfile(): Methoded("hashfile") {
// ^hashfile::open[db_home;filename]	// ^hashfile::open[filename]
add_native_method("open", Method::CT_DYNAMIC, _open, 1, 1);	add_native_method("open", Method::CT_DYNAMIC, _open, 1, 1);
// ^hash[]	// ^hashfile.hash[]
add_native_method("hash", Method::CT_DYNAMIC, _hash, 0, 0);	add_native_method("hash", Method::CT_DYNAMIC, _hash, 0, 0);
// ^hashfile.delete[key]	// ^hashfile.delete[key]
add_native_method("delete", Method::CT_DYNAMIC, _delete, 1, 1);	add_native_method("delete", Method::CT_DYNAMIC, _delete, 0, 1);
// ^hashfile.clear[]	// ^hashfile.clear[] -- for backward compatibility. use .delete[] instead.
add_native_method("clear", Method::CT_DYNAMIC, _clear, 0, 0);	add_native_method("clear", Method::CT_DYNAMIC, _clear, 0, 0);
	// ^hashfile.release[]
	add_native_method("release", Method::CT_DYNAMIC, _release, 0, 0);
	// ^hashfile.cleanup[]
	add_native_method("cleanup", Method::CT_DYNAMIC, _cleanup, 0, 0);
	add_native_method("defecate", Method::CT_DYNAMIC, _cleanup, 0, 0);
// ^hashfile.foreach[key;value]{code}[delim]	// ^hashfile.foreach[key;value]{code}[delim]
add_native_method("foreach", Method::CT_DYNAMIC, _foreach, 2+1, 2+1+1);	add_native_method("foreach", Method::CT_DYNAMIC, _foreach, 2+1, 2+1+1);
}	}

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Removed from v.1.29
changed lines
	Added in v.1.45