parser3/src/classes/string.C - diff

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Diff for /parser3/src/classes/string.C between versions 1.71 and 1.87

version 1.71, 2001/08/28 09:27:42	version 1.87, 2001/10/31 14:01:44
Line 2	Line 2
Parser: @b string parser class.	Parser: @b string parser class.

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

Author: Alexander Petrosyan <paf@design.ru> (http://design.ru/paf)	Author: Alexander Petrosyan <paf@design.ru> (http://design.ru/paf)

	$Id$
*/	*/
static const char *RCSId="$Id$";

#include "classes.h"	#include "classes.h"
#include "pa_request.h"	#include "pa_request.h"
Line 39 static void _length(Request& r, const St	Line 39 static void _length(Request& r, const St
r.write_no_lang(result);	r.write_no_lang(result);
}	}

static void _int(Request& r, const String& method_name, MethodParams *) {	static void _int(Request& r, const String& method_name, MethodParams *params) {
Pool& pool=r.pool();	Pool& pool=r.pool();
Value& result=*new(pool) VInt(pool, r.self->as_int());	int converted;
	Value *default_code=params->size()>0?
	default_code=&params->as_junction(0, "default must be int"):0; // (default)
	try {
	converted=r.self->as_int();
	} catch(...) { // convert problem
	if(!default_code) // we have a problem when no default
	/re/throw;
	else
	converted=r.process(*default_code).as_int();
	}

	Value& result=*new(pool) VInt(pool, converted);
result.set_name(method_name);	result.set_name(method_name);
r.write_no_lang(result);	r.write_no_lang(result);
}	}

static void _double(Request& r, const String& method_name, MethodParams *) {	static void _double(Request& r, const String& method_name, MethodParams *params) {
Pool& pool=r.pool();	Pool& pool=r.pool();
Value& result=*new(pool) VDouble(pool, r.self->as_double());	double converted;
	Value *default_code=params->size()>0?
	default_code=&params->as_junction(0, "default must be double"):0; // (default)
	try {
	converted=r.self->as_double();
	} catch(...) { // convert problem
	if(!default_code) // we have a problem when no default
	/re/throw;
	else
	converted=r.process(*default_code).as_double();
	}

	Value& result=*new(pool) VDouble(pool, converted);
result.set_name(method_name);	result.set_name(method_name);
r.write_no_lang(result);	r.write_no_lang(result);
}	}
Line 59 static void _double(Request& r, const St	Line 83 static void _double(Request& r, const St
Value& fmt=params->as_junction(0, "fmt must be code");	Value& fmt=params->as_junction(0, "fmt must be code");

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(String::UL_UNSPECIFIED));

String result(pool);	String result(pool);
result.APPEND_CLEAN(buf, 0,	result.APPEND_CLEAN(buf, 0,
Line 71 static void _double(Request& r, const St	Line 96 static void _double(Request& r, const St
static void _left(Request& r, const String&, MethodParams *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(params->get(0)).as_double();	size_t n=(size_t)params->as_int(0, "n must be int", r);

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.mid(0, n)));	r.write_assign_lang(*new(pool) VString(string.mid(0, n)));
Line 80 static void _left(Request& r, const Stri	Line 105 static void _left(Request& r, const Stri
static void _right(Request& r, const String&, MethodParams *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(params->get(0)).as_double();	size_t n=(size_t)params->as_int(0, "n must be int", r);

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.mid(string.size()-n, string.size())));	r.write_assign_lang(*new(pool) VString(string.mid(string.size()-n, string.size())));
Line 89 static void _right(Request& r, const Str	Line 114 static void _right(Request& r, const Str
static void _mid(Request& r, const String&, MethodParams *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(params->get(0)).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();

	size_t p=(size_t)params->as_int(0, "p must be int", r);
	size_t n=params->size()>1?
	(size_t)params->as_int(1, "n must be int", r):string.size();

r.write_assign_lang(*new(pool) VString(string.mid(p, p+n)));	r.write_assign_lang(*new(pool) VString(string.mid(p, p+n)));
}	}

Line 160 static void search_action(Table& table,	Line 187 static void search_action(Table& table,
table+=row;	table+=row;
}	}

/// used by string: _match / replace_action	#ifndef DOXYGEN
struct Replace_action_info {	struct Replace_action_info {
Request request; const String origin;	Request request; const String origin;
const String src; String dest;	const String src; String dest;
Value *replacement_code;	Value *replacement_code;
const String *post_match;	const String *post_match;
};	};
	#endif
static void replace_action(Table& table, Array *row, int start, int finish,	static void replace_action(Table& table, Array *row, int start, int finish,
void *info) {	void *info) {
Replace_action_info& ai=static_cast<Replace_action_info >(info);	Replace_action_info& ai=static_cast<Replace_action_info >(info);
Line 217 static void _match(Request& r, const Str	Line 245 static void _match(Request& r, const Str
Table *table;	Table *table;
if(params->size()<3) { // search	if(params->size()<3) { // search
bool was_global;	bool was_global;
bool matched=src.match(r.pcre_tables,	bool matched=src.match(r.pcre_tables(),
&method_name,	&method_name,
regexp.as_string(), options,	regexp.as_string(), options,
&table,	&table,
Line 239 static void _match(Request& r, const Str	Line 267 static void _match(Request& r, const Str
&replacement_code,	&replacement_code,
&src	&src
};	};
src.match(r.pcre_tables,	src.match(r.pcre_tables(),
&method_name,	&method_name,
r.process(regexp).as_string(), options,	r.process(regexp).as_string(), options,
&table,	&table,
Line 255 static void change_case(Request& r, cons	Line 283 static void change_case(Request& r, cons
Pool& pool=r.pool();	Pool& pool=r.pool();
const String& src=static_cast<VString >(r.self)->get_string();	const String& src=static_cast<VString >(r.self)->get_string();

r.write_assign_lang(*new(pool) VString(src.change_case(pool, r.pcre_tables,	r.write_assign_lang(*new(pool) VString(src.change_case(pool, r.pcre_tables(),
kind)));	kind)));
}	}
static void _upper(Request& r, const String& method_name, MethodParams *params) {	static void _upper(Request& r, const String& method_name, MethodParams *params) {
Line 279 public:	Line 307 public:

void add_column(void *ptr, size_t size) {	void add_column(void *ptr, size_t size) {
if(got_column)	if(got_column)
PTHROW(0, 0,	throw Exception(0, 0,
&statement_string,	&statement_string,
"result must contain exactly one column");	"result must contain exactly one column");
got_column=true;	got_column=true;
Line 288 public:	Line 316 public:
void add_row() { /* ignore */ }	void add_row() { /* ignore */ }
void add_row_cell(void *ptr, size_t size) {	void add_row_cell(void *ptr, size_t size) {
if(got_cell)	if(got_cell)
PTHROW(0, 0,	throw Exception(0, 0,
&statement_string,	&statement_string,
"result must not contain more then one row");	"result must not contain more then one row");
got_cell=true;	got_cell=true;
Line 306 public:	Line 334 public:
};	};
#endif	#endif
const String* sql_result_string(Request& r, const String& method_name, MethodParams *params,	const String* sql_result_string(Request& r, const String& method_name, MethodParams *params,
Hash *&options) {	Hash & options, Value & default_code) {
Pool& pool=r.pool();	Pool& pool=r.pool();

if(!r.connection)	if(!r.connection)
PTHROW(0, 0,	throw Exception(0, 0,
&method_name,	&method_name,
"without connect");	"without connect");

Line 318 const String* sql_result_string(Request&	Line 346 const String* sql_result_string(Request&

ulong limit=0;	ulong limit=0;
ulong offset=0;	ulong offset=0;
	default_code=0;
if(params->size()>1) {	if(params->size()>1) {
Value& options_param=params->as_no_junction(1, "options must be hash, not code");	Value& voptions=params->as_no_junction(1, "options must be hash, not code");
if(options=options_param.get_hash()) {	if(voptions.is_defined())
if(Value vlimit=(Value )options->get(*sql_limit_name))	if(options=voptions.get_hash(&method_name)) {
limit=(ulong)r.process(*vlimit).as_double();	if(Value vlimit=(Value )options->get(*sql_limit_name))
if(Value voffset=(Value )options->get(*sql_offset_name))	limit=(ulong)r.process(*vlimit).as_double();
offset=(ulong)r.process(*voffset).as_double();	if(Value voffset=(Value )options->get(*sql_offset_name))
} else	offset=(ulong)r.process(*voffset).as_double();
PTHROW(0, 0,	if(default_code=(Value )options->get(sql_default_name)) {
&method_name,	if(!default_code->get_junction())
"options must be hash");	throw Exception(0, 0,
	&method_name,
	"default option must be code");
	}
	} else
	throw Exception(0, 0,
	&method_name,
	"options must be hash");
} else	} else
options=0;	options=0;

Line 337 const String* sql_result_string(Request&	Line 373 const String* sql_result_string(Request&
const char *statement_cstr=	const char *statement_cstr=
statement_string.cstr(String::UL_UNSPECIFIED, r.connection);	statement_string.cstr(String::UL_UNSPECIFIED, r.connection);
String_sql_event_handlers handlers(pool, statement_string, statement_cstr);	String_sql_event_handlers handlers(pool, statement_string, statement_cstr);
bool need_rethrow=false; Exception rethrow_me;	try {
PTRY {
r.connection->query(	r.connection->query(
statement_cstr, offset, limit,	statement_cstr, offset, limit,
handlers);	handlers);
	} catch(const Exception& e) { // query problem
	// give more specific source [were url]
	throw Exception(e.type(), e.code(),
	&statement_string,
	"%s", e.comment());
}	}
PCATCH(e) { // query problem
rethrow_me=e; need_rethrow=true;
}
PEND_CATCH
if(need_rethrow)
PTHROW(rethrow_me.type(), rethrow_me.code(),
&statement_string, // setting more specific source [were url]
rethrow_me.comment());

if(!handlers.got_cell)	if(!handlers.got_cell)
return 0; // no lines, caller should return second param[default value]	return 0; // no lines, caller should return second param[default value]
Line 362 static void _sql(Request& r, const Strin	Line 394 static void _sql(Request& r, const Strin
Pool& pool=r.pool();	Pool& pool=r.pool();

Hash *options;	Hash *options;
const String *string=sql_result_string(r, method_name, params, options);	Value *default_code;
	const String *string=sql_result_string(r, method_name, params, options, default_code);
if(!string) {	if(!string) {
if(options) {	if(default_code) {
if(Value vdefault=(Value )options->get(*sql_default_name)) {	string=r.process(*default_code).get_string();
if(!vdefault->get_junction())	if(!string)
PTHROW(0, 0,	string=new(pool) String(pool);
&method_name,
"default option must be code");
string=r.process(*vdefault).get_string();
if(!string)
string=empty_string;
} else
PTHROW(0, 0,
&method_name,
"produced no result, but no default option specified");
} else	} else
PTHROW(0, 0,	throw Exception(0, 0,
&method_name,	&method_name,
"produced no result, but no options (no default) specified");	"produced no result, but no default option specified");
}	}
VString& result=new(pool) VString(string);	VString& result=new(pool) VString(string);
result.set_name(method_name);	result.set_name(method_name);
Line 393 static void _replace(Request& r, const S	Line 417 static void _replace(Request& r, const S

Table *table=params->as_no_junction(0, "parameter must not be code").get_table();	Table *table=params->as_no_junction(0, "parameter must not be code").get_table();
if(!table)	if(!table)
PTHROW(0, 0,	throw Exception(0, 0,
&method_name,	&method_name,
"parameter must be table");	"parameter must be table");

Dictionary dict(*table);	Dictionary dict(*table);
r.write_assign_lang(*new(pool) VString(src.replace(pool, dict)));	r.write_assign_lang(*new(pool) VString(src.replace(pool, dict)));
}	}

	static void _save(Request& r, const String& method_name, MethodParams *params) {
	Pool& pool=r.pool();
	const String& file_name=params->as_string(params->size()-1,
	"file name must be string");

	const String& src=static_cast<VString >(r.self)->get_string();

	bool do_append=false;
	if(params->size()>1) {
	const String& mode=params->as_string(0, "mode must be string");
	if(mode=="append")
	do_append=true;
	else
	throw Exception(0, 0,
	&mode,
	"unknown mode, must be 'append'");
	}

	// write
	file_write(pool, r.absolute(file_name),
	src.cstr(), src.size(), true, do_append);
	}

// constructor	// constructor

MString::MString(Pool& apool) : Methoded(apool) {	MString::MString(Pool& apool) : Methoded(apool) {
Line 410 MString::MString(Pool& apool) : Methoded	Line 458 MString::MString(Pool& apool) : Methoded
add_native_method("length", Method::CT_DYNAMIC, _length, 0, 0);	add_native_method("length", Method::CT_DYNAMIC, _length, 0, 0);

// ^string.int[]	// ^string.int[]
add_native_method("int", Method::CT_DYNAMIC, _int, 0, 0);	// ^string.int(default)
	add_native_method("int", Method::CT_DYNAMIC, _int, 0, 1);
// ^string.double[]	// ^string.double[]
add_native_method("double", Method::CT_DYNAMIC, _double, 0, 0);	// ^string.double(default)
	add_native_method("double", Method::CT_DYNAMIC, _double, 0, 1);

// ^string.format{format}	// ^string.format{format}
add_native_method("format", Method::CT_DYNAMIC, _string_format, 1, 1);	add_native_method("format", Method::CT_DYNAMIC, _string_format, 1, 1);
Line 423 MString::MString(Pool& apool) : Methoded	Line 472 MString::MString(Pool& apool) : Methoded
// ^string.right(n)	// ^string.right(n)
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)
add_native_method("mid", Method::CT_DYNAMIC, _mid, 2, 2);	add_native_method("mid", Method::CT_DYNAMIC, _mid, 1, 2);

// ^string.pos[substr]	// ^string.pos[substr]
add_native_method("pos", Method::CT_DYNAMIC, _pos, 1, 1);	add_native_method("pos", Method::CT_DYNAMIC, _pos, 1, 1);
Line 448 MString::MString(Pool& apool) : Methoded	Line 497 MString::MString(Pool& apool) : Methoded

// ^string.replace[table]	// ^string.replace[table]
add_native_method("replace", Method::CT_DYNAMIC, _replace, 1, 1);	add_native_method("replace", Method::CT_DYNAMIC, _replace, 1, 1);

	// ^string.save[file]
	add_native_method("save", Method::CT_DYNAMIC, _save, 1, 2);
}	}

// global variable	// global variable

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Removed from v.1.71
changed lines
	Added in v.1.87