parser3/src/include/pa_request.h - diff

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Diff for /parser3/src/include/pa_request.h between versions 1.111 and 1.133.2.1

version 1.111, 2001/11/19 12:17:05	version 1.133.2.1, 2002/05/07 07:23:09
Line 1	Line 1
/** @file	/** @file
Parser: request class decl.	Parser: request class decl.

Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com)	Copyright (c) 2001, 2002 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)

$Id$	$Id$
*/	*/
Line 10	Line 10
#ifndef PA_REQUEST_H	#ifndef PA_REQUEST_H
#define PA_REQUEST_H	#define PA_REQUEST_H

#include "pa_config_includes.h"
#include "pa_pool.h"	#include "pa_pool.h"
#include "pa_hash.h"	#include "pa_hash.h"
#include "pa_wcontext.h"	#include "pa_wcontext.h"
Line 27	Line 26
#include "pa_vcookie.h"	#include "pa_vcookie.h"
#include "pa_sql_driver_manager.h"	#include "pa_sql_driver_manager.h"

	#ifdef RESOURCES_DEBUG
	#include <sys/resource.h>
	#endif

	// consts

	#define MAIN_METHOD_NAME "main"
	const uint ANTI_ENDLESS_EXECUTE_RECOURSION=500;

	// defines

#ifndef NO_STRING_ORIGIN	#ifndef NO_STRING_ORIGIN
# define COMPILE_PARAMS \	# define COMPILE_PARAMS \
const char *source, \	const char *source, \
Line 46	Line 56

class Temp_lang;	class Temp_lang;
class Methoded;	class Methoded;
	class VMethodFrame;

/// Main workhorse.	/// Main workhorse.
class Request : public Pooled {	class Request : public Pooled {
friend class Temp_lang;	friend class Temp_lang;
	friend class Temp_connection;
public:	public:

	#ifdef RESOURCES_DEBUG
	/// measures
	double sql_connect_time;
	double sql_request_time;
	#endif

/// some information from web server	/// some information from web server
class Info {	class Info {
public:	public:
Line 71 public:	Line 89 public:
uchar adefault_lang, ///< all tainted data default untainting lang	uchar adefault_lang, ///< all tainted data default untainting lang
bool status_allowed ///< status class allowed	bool status_allowed ///< status class allowed
);	);
~Request() {}	~Request();

/// global classes	/// global classes
Hash& classes() { return fclasses; }	Hash& classes() { return fclasses; }
Line 90 public:	Line 108 public:

/// executes ops	/// executes ops
void execute(const Array& ops); // execute.C	void execute(const Array& ops); // execute.C
	/// execute ops with anti-recoursion check
	void recoursion_checked_execute(const String *name, const Array& ops) {
	// anti_endless_execute_recoursion
	if(++anti_endless_execute_recoursion==ANTI_ENDLESS_EXECUTE_RECOURSION) {
	anti_endless_execute_recoursion=0; // give @exception a chance
	throw Exception("parser.runtime",
	name,
	"call canceled - endless recursion detected");
	}
	execute(ops); // execute it
	anti_endless_execute_recoursion--;
	}

/// compiles the file, maybe forcing it's class @a name and @a base_class.	/// compiles the file, maybe forcing it's class @a name and @a base_class.
VStateless_class *use_file(	VStateless_class *use_file(
Line 102 public:	Line 132 public:
const char source, const char file,	const char source, const char file,
VStateless_class aclass=0, const String name=0,	VStateless_class aclass=0, const String name=0,
VStateless_class *base_class=0); // core.C	VStateless_class *base_class=0); // core.C

/// processes any code-junction there may be inside of @a value	/// processes any code-junction there may be inside of @a value
Value& process(	StringOrValue process(Value& input_value, bool intercept_string=true); // execute.C
Value& value,	//@{ convinient helpers
const String *name=0,	const String& process_to_string(Value& input_value) {
bool intercept_string=true); // execute.C	return process(input_value, true/intercept_string/).as_string();
	}
	Value& process_to_value(Value& input_value, bool intercept_string=true) {
	return process(input_value, intercept_string).as_value();
	}
	//@}


	#define DEFINE_DUAL(modification) \
	void write_##modification##_lang(StringOrValue dual) { \
	if(const String *string=dual.get_string()) \
	write_##modification##_lang(*string); \
	else \
	write_##modification##_lang(*dual.get_value()); \
	}
	#define DEFINE_DUAL_CHECKED(modification) \
	void write_##modification##_lang(StringOrValue dual, const String *origin) { \
	if(const String *string=dual.get_string()) \
	write_##modification##_lang(*string); \
	else \
	write_##modification##_lang(*dual.get_value(), origin); \
	}

/// appending, sure of clean string inside	/// appending, sure of clean string inside
void write_no_lang(const String& astring) {	void write_no_lang(const String& astring) {
wcontext->write(astring,	wcontext->write(astring,
String::UL_CLEAN \| flang&String::UL_OPTIMIZE_BIT);	String::UL_CLEAN \| flang&String::UL_OPTIMIZE_BIT);
}	}
	/// appending sure value, that would be converted to clean string
	void write_no_lang(Value& avalue) {
	if(wcontext->get_in_expression())
	wcontext->write(avalue);
	else
	wcontext->write(avalue,
	String::UL_CLEAN \| flang&String::UL_OPTIMIZE_BIT);
	}
	//DEFINE_DUAL(no)

/// appending string, passing language built into string being written	/// appending string, passing language built into string being written
void write_pass_lang(const String& astring) {	void write_pass_lang(const String& astring) {
wcontext->write(astring, String::UL_PASS_APPENDED);	wcontext->write(astring, String::UL_PASS_APPENDED);
}	}
	/// appending possible string, passing language built into string being written
	void write_pass_lang(Value& avalue) {
	wcontext->write(avalue, String::UL_PASS_APPENDED);
	}
	DEFINE_DUAL(pass)

/// appending possible string, assigning untaint language	/// appending possible string, assigning untaint language
void write_assign_lang(Value& avalue) {	void write_assign_lang(Value& avalue) {
wcontext->write(avalue, flang);	wcontext->write(avalue, flang);
}	}
	/// appending possible string, assigning untaint language
	void write_assign_lang(Value& avalue, const String *origin) {
	wcontext->write(avalue, flang, origin);
	}
/// appending string, assigning untaint language	/// appending string, assigning untaint language
void write_assign_lang(const String& astring) {	void write_assign_lang(const String& astring) {
wcontext->write(astring, flang);	wcontext->write(astring, flang);
}	}
/// appending possible string, passing language built into string being written	DEFINE_DUAL(assign)
void write_pass_lang(Value& avalue) {	DEFINE_DUAL_CHECKED(assign)
wcontext->write(avalue, String::UL_PASS_APPENDED);
}
/// appending sure value, that would be converted to clean string
void write_no_lang(Value& avalue) {
wcontext->write(avalue,
String::UL_CLEAN \| flang&String::UL_OPTIMIZE_BIT);
}
/// appending sure value, not VString
void write_expr_result(Value& avalue) {
wcontext->write(avalue);
}

/// returns relative to @a path path to @a file	/// returns relative to @a path path to @a file
const String& relative(const char *apath, const String& relative_name);	const String& relative(const char *apath, const String& relative_name);
Line 148 public:	Line 209 public:
/// returns the mime type of 'user_file_name_cstr'	/// returns the mime type of 'user_file_name_cstr'
const String& mime_type_of(const char *user_file_name_cstr);	const String& mime_type_of(const char *user_file_name_cstr);

/// PCRE character tables	/// returns current SQL connection if any
const unsigned char *pcre_tables();	SQL_Connection connection(const String source) {
	if(!fconnection && source)
	throw Exception("parser.runtime",
	source,
	"outside of 'connect' operator");

	return fconnection;
	}

	bool origins_mode() {
	return main_class->get_element(*origins_mode_name)!=0; // $ORIGINS mode
	}

public:	public:

Line 158 public:	Line 230 public:
/// user's post data	/// user's post data
char *post_data; size_t post_size;	char *post_data; size_t post_size;

	/// name of 'main' method
	const String main_method_name;

/// operators are methods of this class	/// operators are methods of this class
Methoded& OP;	Methoded& OP;
/// $env:fields	/// $env:fields
Line 175 public:	Line 250 public:
/// $cookie:elements	/// $cookie:elements
VCookie cookie;	VCookie cookie;

	//@{ request processing status
	/// execution stack
	Stack stack;
/// contexts	/// contexts
Value self, root, *rcontext;	Value self, root, *rcontext;
/// contexts	/// contexts
WContext *wcontext;	WContext *wcontext;
	/// exception stack trace
	Stack exception_trace;
	//@}

/// 'MAIN' class conglomerat	/// 'MAIN' class conglomerat
VStateless_class *main_class;	VStateless_class *main_class;

/// connection
SQL_Connection *connection;

/// classes configured data	/// classes configured data
Hash classes_conf;	Hash classes_conf;

Line 197 private: // core data	Line 275 private: // core data
/// already used files to avoid cyclic uses	/// already used files to avoid cyclic uses
Hash used_files;	Hash used_files;

/// execution stack
Stack stack;

/** endless execute(execute(... preventing counter	/** endless execute(execute(... preventing counter
@see ANTI_ENDLESS_EXECUTE_RECOURSION	@see ANTI_ENDLESS_EXECUTE_RECOURSION
*/	*/
uint anti_endless_execute_recoursion;	uint anti_endless_execute_recoursion;

/// charset->pcre_tables
Hash CTYPE;

/// stack trace
Stack trace;

private: // compile.C	private: // compile.C

VStateless_class& real_compile(COMPILE_PARAMS);	VStateless_class& real_compile(COMPILE_PARAMS);

private: // execute.C	private: // execute.C

const String *execute_method(Value& aself,	const String *execute_method(Value& aself, const Method& method,
const Method& method, bool return_cstr=true);	bool return_cstr);
const String *execute_virtual_method(Value& aself,	const String& execute_method(VMethodFrame& amethodFrame, const Method& method);
const String& method_name, bool return_cstr=true);	const String *execute_virtual_method(Value& aself, const String& method_name);
const String *execute_nonvirtual_method(VStateless_class& aclass,	const String *execute_nonvirtual_method(VStateless_class& aclass,
const String& method_name, bool return_cstr=true);	const String& method_name,
	bool return_cstr);

Value *get_element();	Value get_element(const String & remember_name, bool can_call_operator);

private: // lang&raw

uchar flang;

private: // defaults	private: // defaults

Line 251 private: // lang manipulation	Line 317 private: // lang manipulation
flang=alang;	flang=alang;
}	}

	private: // lang&raw

	uchar flang;


	private: // connection manipulation

	SQL_Connection set_connection(SQL_Connection aconnection) {
	SQL_Connection *result=fconnection;
	fconnection=aconnection;
	return result;
	}
	void restore_connection(SQL_Connection *aconnection) {
	fconnection=aconnection;
	}

private:	private:

	/// connection
	SQL_Connection *fconnection;

void output_result(const VFile& body_file, bool header_only);	void output_result(const VFile& body_file, bool header_only);
};	};

Line 270 public:	Line 355 public:
}	}
};	};

	/// Auto-object used for temporary changing Request::fconnection.
	class Temp_connection {
	Request& frequest;
	SQL_Connection *saved_connection;
	public:
	Temp_connection(Request& arequest, SQL_Connection *aconnection) :
	frequest(arequest),
	saved_connection(arequest.set_connection(aconnection)) {
	}
	~Temp_connection() {
	frequest.restore_connection(saved_connection);
	}
	};

/**	/**
@b method parameters passed in this array.	@b method parameters passed in this array.
contains handy typecast ad junction/not junction ensurers	contains handy typecast ad junction/not junction ensurers
Line 316 private:	Line 415 private:
Value& get_as(int index, bool as_junction, const char *msg) {	Value& get_as(int index, bool as_junction, const char *msg) {
Value& result=get(index);	Value& result=get(index);
if((result.get_junction()!=0) ^ as_junction)	if((result.get_junction()!=0) ^ as_junction)
throw Exception(0, 0,	throw Exception("parser.runtime",
&fmethod_name,	&fmethod_name,
"%s (parameter #%d)", msg, 1+index);	"%s (parameter #%d)", msg, 1+index);

Line 324 private:	Line 423 private:
}	}

Value& get_processed(int index, const char *msg, Request& r) {	Value& get_processed(int index, const char *msg, Request& r) {
return r.process(as_junction(index, msg),	return r.process_to_value(as_junction(index, msg), 0/no name/);
0/no name/,
false/don't intercept string/);
}	}

private:	private:

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Removed from v.1.111
changed lines
	Added in v.1.133.2.1