parser3/src/classes/string.C - diff

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Diff for /parser3/src/classes/string.C between versions 1.26 and 1.44

version 1.26, 2001/04/03 14:38:58	version 1.44, 2001/05/04 10:42:37
Line 8	Line 8
$Id$	$Id$
*/	*/

	#include "classes.h"
#include "pa_request.h"	#include "pa_request.h"
#include "_string.h"
#include "pa_vdouble.h"	#include "pa_vdouble.h"
#include "pa_vint.h"	#include "pa_vint.h"
#include "pa_vtable.h"	#include "pa_vtable.h"
#include "pa_vbool.h"	#include "pa_vbool.h"
	#include "pa_string.h"

// global var	// defines

VStateless_class *string_class;	#define STRING_CLASS_NAME "string"

	// class

	class MString : public Methoded {
	public:
	MString(Pool& pool);
	public: // Methoded
	bool used_directly() { return false; }
	};

// methods	// methods

static void _length(Request& r, const String&, Array *) {	static void _length(Request& r, const String&, MethodParams *) {
Pool& pool=r.pool();	Pool& pool=r.pool();
Value& value=*new(pool) VDouble(pool, r.self->get_string()->size());	Value& value=*new(pool) VDouble(pool, r.self->get_string()->size());
r.write_no_lang(value);	r.write_no_lang(value);
}	}

static void _int(Request& r, const String&, Array *) {	static void _int(Request& r, const String&, MethodParams *) {
Pool& pool=r.pool();	Pool& pool=r.pool();
Value& value=*new(pool) VInt(pool, (int)r.self->as_double());	Value& value=*new(pool) VInt(pool, (int)r.self->as_double());
r.write_no_lang(value);	r.write_no_lang(value);
}	}

static void _double(Request& r, const String&, Array *) {	static void _double(Request& r, const String&, MethodParams *) {
Pool& pool=r.pool();	Pool& pool=r.pool();
Value& value=*new(pool) VDouble(pool, r.self->as_double());	Value& value=*new(pool) VDouble(pool, r.self->as_double());
r.write_no_lang(value);	r.write_no_lang(value);
}	}

/// ^string.format{format}	/not static/void _string_format(Request& r, const String& method_name, MethodParams *params) {
/not static/void _string_format(Request& r, const String& method_name, Array *params) {
Pool& pool=r.pool();	Pool& pool=r.pool();

Value& fmt=static_cast<Value >(params->get(0));	Value& fmt=params->get_junction(0, "fmt must be code");
// forcing {this param type}
r.fail_if_junction_(false, fmt, method_name, "fmt must be junction");

Temp_lang temp_lang(r, String::UL_PASS_APPENDED);	Temp_lang temp_lang(r, String::UL_PASS_APPENDED);
char *buf=format(pool, r.self->as_double(), r.process(fmt).as_string().cstr());	char *buf=format(pool, r.self->as_double(), r.process(fmt).as_string().cstr());
Line 53 static void _double(Request& r, const St	Line 60 static void _double(Request& r, const St
r.write_no_lang(String(pool, buf));	r.write_no_lang(String(pool, buf));
}	}

static void _left(Request& r, const String&, Array *params) {	static void _left(Request& r, const String&, MethodParams *params) {
Pool& pool=r.pool();	Pool& pool=r.pool();

size_t n=(size_t)r.process(static_cast<Value >(params->get(0))).as_double();	size_t n=(size_t)r.process(params->get(0)).as_double();

const String& string=static_cast<VString >(r.self)->get_string();	const String& string=static_cast<VString >(r.self)->get_string();
r.write_assign_lang(*new(pool) VString(string.piece(0, n)));	r.write_assign_lang(*new(pool) VString(string.mid(0, n)));
}	}

static void _right(Request& r, const String&, Array *params) {	static void _right(Request& r, const String&, MethodParams *params) {
Pool& pool=r.pool();	Pool& pool=r.pool();

size_t n=(size_t)r.process(static_cast<Value >(params->get(0))).as_double();	size_t n=(size_t)r.process(params->get(0)).as_double();

const String& string=static_cast<VString >(r.self)->get_string();	const String& string=static_cast<VString >(r.self)->get_string();
r.write_assign_lang(*new(pool) VString(string.piece(string.size()-n, string.size())));	r.write_assign_lang(*new(pool) VString(string.mid(string.size()-n, string.size())));
}	}

static void _mid(Request& r, const String&, Array *params) {	static void _mid(Request& r, const String&, MethodParams *params) {
Pool& pool=r.pool();	Pool& pool=r.pool();

size_t p=(size_t)r.process(static_cast<Value >(params->get(0))).as_double();	size_t p=(size_t)r.process(params->get(0)).as_double();
size_t n=(size_t)r.process(static_cast<Value >(params->get(1))).as_double();	size_t n=(size_t)r.process(params->get(1)).as_double();

const String& string=static_cast<VString >(r.self)->get_string();	const String& string=static_cast<VString >(r.self)->get_string();
r.write_assign_lang(*new(pool) VString(string.piece(p, p+n)));	r.write_assign_lang(*new(pool) VString(string.mid(p, p+n)));
}	}

static void _pos(Request& r, const String& method_name, Array *params) {	static void _pos(Request& r, const String& method_name, MethodParams *params) {
Pool& pool=r.pool();	Pool& pool=r.pool();

Value& substr=static_cast<Value >(params->get(0));	Value& substr=params->get_no_junction(0, "substr must not be code");
// forcing [this param type]
r.fail_if_junction_(true, substr, method_name, "substr must not be junction");

const String& string=static_cast<VString >(r.self)->get_string();	const String& string=static_cast<VString >(r.self)->get_string();
r.write_assign_lang(*new(pool) VInt(pool, string.pos(substr.as_string())));	r.write_assign_lang(*new(pool) VInt(pool, string.pos(substr.as_string())));
}	}

static void split_list(Request& r, const String& method_name, Array *params,	static void split_list(Request& r, const String& method_name, MethodParams *params,
const String& string,	const String& string,
Array& result) {	Array& result) {
Pool& pool=r.pool();	Pool& pool=r.pool();

Value& delim_value=static_cast<Value >(params->get(0));	Value& delim_value=params->get_no_junction(0, "delimiter must not be code");
// forcing [this param type]
r.fail_if_junction_(true, delim_value, method_name, "delimiter must not be junction");

string.split(result, 0, delim_value.as_string(), String::UL_CLEAN, -1);	string.split(result, 0, delim_value.as_string(), String::UL_CLEAN, -1);
}	}

static void _lsplit(Request& r, const String& method_name, Array *params) {	static void _lsplit(Request& r, const String& method_name, MethodParams *params) {
Pool& pool=r.pool();	Pool& pool=r.pool();
const String& string=static_cast<VString >(r.self)->get_string();	const String& string=static_cast<VString >(r.self)->get_string();

Line 118 static void _lsplit(Request& r, const St	Line 121 static void _lsplit(Request& r, const St
r.write_no_lang(*new(pool) VTable(pool, &table));	r.write_no_lang(*new(pool) VTable(pool, &table));
}	}

static void _rsplit(Request& r, const String& method_name, Array *params) {	static void _rsplit(Request& r, const String& method_name, MethodParams *params) {
Pool& pool=r.pool();	Pool& pool=r.pool();
const String& string=static_cast<VString >(r.self)->get_string();	const String& string=static_cast<VString >(r.self)->get_string();

Line 136 static void _rsplit(Request& r, const St	Line 139 static void _rsplit(Request& r, const St
r.write_no_lang(*new(pool) VTable(pool, &table));	r.write_no_lang(*new(pool) VTable(pool, &table));
}	}

/// ^string.match{regexp}[options]	static void search_action(Table& table, Array row, int, int, void ) {
static void _match(Request& r, const String& method_name, Array *params) {	if(row)
	table+=row;
	}

	/// used by string: _match / replace_action
	struct Replace_action_info {
	Request request; const String origin;
	const String src; String dest;
	Value *replacement_code;
	const String *post_match;
	};
	static void replace_action(Table& table, Array *row, int start, int finish,
	void *info) {
	Replace_action_info& ai=static_cast<Replace_action_info >(info);
	if(row) { // begin&middle
	// piece from last match['start'] to beginning of this match['finish']
	if(start!=finish)
	*ai.dest << ai.src->mid(start, finish);//ai.dest->APPEND_CONST("-");
	// store found parts in one-record Vtable
	if(table.size()) // middle
	table.put(0, row);
	else // begin
	table+=row;
	{ // execute 'replacement_code' in 'table' context
	VTable& vtable=*new(table.pool()) VTable(table.pool(), &table);
	vtable.set_name(*ai.origin);

	Junction *junction=ai.replacement_code->get_junction();
	junction->rcontext=junction->root=&vtable;
	Value& replaced=ai.request->process(*ai.replacement_code, ai.origin, false);

	/*
	ai.dest->APPEND_CONST("(");
	ai.dest << (String )row->get(1/match* /);
	ai.dest->APPEND_CONST(")");
	*/
	*ai.dest << replaced.as_string();
	}
	ai.post_match=(String )row->get(2/post_match*/);
	} else // end
	ai.dest << ai.post_match;
	}

	/** search/replace
	^string.match[regexp][options]
	^string.match[regexp][options]{replacement-code}
	*/
	static void _match(Request& r, const String& method_name, MethodParams *params) {
Pool& pool=r.pool();	Pool& pool=r.pool();
const String& string=static_cast<VString >(r.self)->get_string();	const String& src=static_cast<VString >(r.self)->get_string();

Value& regexp=static_cast<Value >(params->get(0));	Value& regexp=params->get_no_junction(0, "regexp must not be code");
// forcing {this param type}
r.fail_if_junction_(false, regexp, method_name, "regexp must be junction");

const String *options=0;	const String *options=
if(params->size()>1) {	params->size()>1?
Value& value=static_cast<Value >(params->get(1));	&params->get_no_junction(1, "options must not be code").as_string():0;
// forcing {this param type}
r.fail_if_junction_(true, value, method_name, "options must not be junction");
options=&value.as_string();
}

	Value *result;
Temp_lang temp_lang(r, String::UL_PASS_APPENDED);	Temp_lang temp_lang(r, String::UL_PASS_APPENDED);
Table *table;	Table *table;
Value *result;	if(params->size()<3) { // search
if(string.match(&method_name,	if(src.match(r.pcre_tables,
r.process(regexp).as_string(), options,	&method_name,
&table)) {	regexp.as_string(), options,
// matched	&table,
if(table->columns()->size()==3 && // just matched[3=pre/match/post], no substrings	search_action, 0)) {
table->size()==1) // just one row, not Global search	// matched
result=new(pool) VBool(pool, true);	if(table->columns()->size()==3 && // just matched[3=pre/match/post], no substrings
else // table of match column+substring columns	table->size()==1) // just one row, not /g_lobal search
result=new(pool) VTable(pool, table);	result=new(pool) VBool(pool, true);
} else // not global & not matched	else // table of pre/match/post+substrings
result=new(pool) VBool(pool, false);	result=new(pool) VTable(pool, table);
	} else // not matched [not global]
	result=new(pool) VBool(pool, false);
	} else { // replace
	Value& replacement_code=params->get_junction(2, "replacement code must be code");

	String& dest=*new(pool) String(pool);
	Replace_action_info replace_action_info={
	&r, &method_name,
	&src, &dest,
	&replacement_code,
	&src
	};
	src.match(r.pcre_tables,
	&method_name,
	r.process(regexp).as_string(), options,
	&table,
	replace_action, &replace_action_info);
	result=new(pool) VString(dest);
	}
result->set_name(method_name);	result->set_name(method_name);
r.write_no_lang(*result);	r.write_assign_lang(*result);
}	}

// initialize	// constructor

	MString::MString(Pool& apool) : Methoded(apool) {
	set_name(*NEW String(pool(), STRING_CLASS_NAME));


void initialize_string_class(Pool& pool, VStateless_class& vclass) {
// ^string.length[]	// ^string.length[]
vclass.add_native_method("length", Method::CT_DYNAMIC, _length, 0, 0);	add_native_method("length", Method::CT_DYNAMIC, _length, 0, 0);

// ^string.int[]	// ^string.int[]
vclass.add_native_method("int", Method::CT_DYNAMIC, _int, 0, 0);	add_native_method("int", Method::CT_DYNAMIC, _int, 0, 0);

// ^string.double[]	// ^string.double[]
vclass.add_native_method("double", Method::CT_DYNAMIC, _double, 0, 0);	add_native_method("double", Method::CT_DYNAMIC, _double, 0, 0);

// ^string.format{format}	// ^string.format{format}
vclass.add_native_method("format", Method::CT_DYNAMIC, _string_format, 1, 1);	add_native_method("format", Method::CT_DYNAMIC, _string_format, 1, 1);

// ^string.left(n)	// ^string.left(n)
vclass.add_native_method("left", Method::CT_DYNAMIC, _left, 1, 1);	add_native_method("left", Method::CT_DYNAMIC, _left, 1, 1);
// ^string.right(n)	// ^string.right(n)
vclass.add_native_method("right", Method::CT_DYNAMIC, _right, 1, 1);	add_native_method("right", Method::CT_DYNAMIC, _right, 1, 1);
// ^string.mid(p;n)	// ^string.mid(p;n)
vclass.add_native_method("mid", Method::CT_DYNAMIC, _mid, 2, 2);	add_native_method("mid", Method::CT_DYNAMIC, _mid, 2, 2);

// ^string.pos[substr]	// ^string.pos[substr]
vclass.add_native_method("pos", Method::CT_DYNAMIC, _pos, 1, 1);	add_native_method("pos", Method::CT_DYNAMIC, _pos, 1, 1);

// ^string.lsplit[delim]	// ^string.lsplit[delim]
vclass.add_native_method("lsplit", Method::CT_DYNAMIC, _lsplit, 1, 1);	add_native_method("lsplit", Method::CT_DYNAMIC, _lsplit, 1, 1);
// ^string.rsplit[delim]	// ^string.rsplit[delim]
vclass.add_native_method("rsplit", Method::CT_DYNAMIC, _rsplit, 1, 1);	add_native_method("rsplit", Method::CT_DYNAMIC, _rsplit, 1, 1);

// ^string.match{regexp}[options]	// ^string.match[regexp][options]
vclass.add_native_method("match", Method::CT_DYNAMIC, _match, 1, 2);	// ^string.match[regexp][options]{replacement-code}
	add_native_method("match", Method::CT_DYNAMIC, _match, 1, 3);
}	}

	// global variable

	Methoded *string_class;

	// creator

	Methoded *MString_create(Pool& pool) {
	return string_class=new(pool) MString(pool);
	}

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Removed from v.1.26
changed lines
	Added in v.1.44