--- parser3/src/classes/string.C 2001/03/29 15:36:14 1.16 +++ parser3/src/classes/string.C 2001/04/03 14:38:58 1.26 @@ -1,15 +1,19 @@ -/* - Parser +/** @file + Parser: @b string parser class. + Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com) + Author: Alexander Petrosyan (http://design.ru/paf) - $Id: string.C,v 1.16 2001/03/29 15:36:14 paf Exp $ + $Id: string.C,v 1.26 2001/04/03 14:38:58 paf Exp $ */ #include "pa_request.h" #include "_string.h" #include "pa_vdouble.h" #include "pa_vint.h" +#include "pa_vtable.h" +#include "pa_vbool.h" // global var @@ -35,19 +39,21 @@ static void _double(Request& r, const St r.write_no_lang(value); } -void _string_format(Request& r, const String& method_name, Array *params) { +/// ^string.format{format} +/*not static*/void _string_format(Request& r, const String& method_name, Array *params) { Pool& pool=r.pool(); Value& fmt=*static_cast(params->get(0)); - // forcing ^format[this param type] - r.fail_if_junction_(true, fmt, method_name, "fmt must not be junction"); + // forcing {this param type} + r.fail_if_junction_(false, fmt, method_name, "fmt must be junction"); - char *buf=format(pool, r.self->as_double(), fmt.as_string().cstr()); + Temp_lang temp_lang(r, String::UL_PASS_APPENDED); + char *buf=format(pool, r.self->as_double(), r.process(fmt).as_string().cstr()); r.write_no_lang(String(pool, buf)); } -void _left(Request& r, const String&, Array *params) { +static void _left(Request& r, const String&, Array *params) { Pool& pool=r.pool(); size_t n=(size_t)r.process(*static_cast(params->get(0))).as_double(); @@ -56,7 +62,7 @@ void _left(Request& r, const String&, Ar r.write_assign_lang(*new(pool) VString(string.piece(0, n))); } -void _right(Request& r, const String&, Array *params) { +static void _right(Request& r, const String&, Array *params) { Pool& pool=r.pool(); size_t n=(size_t)r.process(*static_cast(params->get(0))).as_double(); @@ -65,7 +71,7 @@ void _right(Request& r, const String&, A r.write_assign_lang(*new(pool) VString(string.piece(string.size()-n, string.size()))); } -void _mid(Request& r, const String&, Array *params) { +static void _mid(Request& r, const String&, Array *params) { Pool& pool=r.pool(); size_t p=(size_t)r.process(*static_cast(params->get(0))).as_double(); @@ -75,40 +81,128 @@ void _mid(Request& r, const String&, Arr r.write_assign_lang(*new(pool) VString(string.piece(p, p+n))); } -void _pos(Request& r, const String& method_name, Array *params) { +static void _pos(Request& r, const String& method_name, Array *params) { Pool& pool=r.pool(); Value& substr=*static_cast(params->get(0)); - // forcing ^pos[this param type] + // forcing [this param type] r.fail_if_junction_(true, substr, method_name, "substr must not be junction"); const String& string=*static_cast(r.self)->get_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, + const String& string, + Array& result) { + Pool& pool=r.pool(); + + Value& delim_value=*static_cast(params->get(0)); + // 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); +} + +static void _lsplit(Request& r, const String& method_name, Array *params) { + Pool& pool=r.pool(); + const String& string=*static_cast(r.self)->get_string(); + + Array& row=*new(pool) Array(pool); + split_list(r, method_name, params, string, row); + + Table& table=*new(pool) Table(pool, &string, + 0/*nameless*/, 1/*row preallocate(and only)*/); + table+=&row; + + r.write_no_lang(*new(pool) VTable(pool, &table)); +} + +static void _rsplit(Request& r, const String& method_name, Array *params) { + Pool& pool=r.pool(); + const String& string=*static_cast(r.self)->get_string(); + + Array list(pool); + split_list(r, method_name, params, string, list); + + Array& row=*new(pool) Array(pool); + for(int i=list.size(); --i>=0; ) + row+=list.get(i); + + Table& table=*new(pool) Table(pool, &string, + 0/*nameless*/, 1/*row preallocate(and only)*/); + table+=&row; + + r.write_no_lang(*new(pool) VTable(pool, &table)); +} + +/// ^string.match{regexp}[options] +static void _match(Request& r, const String& method_name, Array *params) { + Pool& pool=r.pool(); + const String& string=*static_cast(r.self)->get_string(); + + Value& regexp=*static_cast(params->get(0)); + // forcing {this param type} + r.fail_if_junction_(false, regexp, method_name, "regexp must be junction"); + + const String *options=0; + if(params->size()>1) { + Value& value=*static_cast(params->get(1)); + // forcing {this param type} + r.fail_if_junction_(true, value, method_name, "options must not be junction"); + options=&value.as_string(); + } + + Temp_lang temp_lang(r, String::UL_PASS_APPENDED); + Table *table; + Value *result; + if(string.match(&method_name, + r.process(regexp).as_string(), options, + &table)) { + // matched + if(table->columns()->size()==3 && // just matched[3=pre/match/post], no substrings + table->size()==1) // just one row, not Global search + result=new(pool) VBool(pool, true); + else // table of match column+substring columns + result=new(pool) VTable(pool, table); + } else // not global & not matched + result=new(pool) VBool(pool, false); + + result->set_name(method_name); + r.write_no_lang(*result); +} + // initialize void initialize_string_class(Pool& pool, VStateless_class& vclass) { // ^string.length[] - vclass.add_native_method("length", _length, 0, 0); + vclass.add_native_method("length", Method::CT_DYNAMIC, _length, 0, 0); // ^string.int[] - vclass.add_native_method("int", _int, 0, 0); + vclass.add_native_method("int", Method::CT_DYNAMIC, _int, 0, 0); // ^string.double[] - vclass.add_native_method("double", _double, 0, 0); + vclass.add_native_method("double", Method::CT_DYNAMIC, _double, 0, 0); - // ^string.format[] - vclass.add_native_method("format", _string_format, 1, 1); + // ^string.format{format} + vclass.add_native_method("format", Method::CT_DYNAMIC, _string_format, 1, 1); // ^string.left(n) - vclass.add_native_method("left", _left, 1, 1); + vclass.add_native_method("left", Method::CT_DYNAMIC, _left, 1, 1); // ^string.right(n) - vclass.add_native_method("right", _right, 1, 1); + vclass.add_native_method("right", Method::CT_DYNAMIC, _right, 1, 1); // ^string.mid(p;n) - vclass.add_native_method("mid", _mid, 2, 2); + vclass.add_native_method("mid", Method::CT_DYNAMIC, _mid, 2, 2); // ^string.pos[substr] - vclass.add_native_method("pos", _pos, 1, 1); + vclass.add_native_method("pos", Method::CT_DYNAMIC, _pos, 1, 1); + + // ^string.lsplit[delim] + vclass.add_native_method("lsplit", Method::CT_DYNAMIC, _lsplit, 1, 1); + // ^string.rsplit[delim] + vclass.add_native_method("rsplit", Method::CT_DYNAMIC, _rsplit, 1, 1); + + // ^string.match{regexp}[options] + vclass.add_native_method("match", Method::CT_DYNAMIC, _match, 1, 2); }