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| version 1.26, 2001/04/03 14:38:58 | version 1.35, 2001/04/04 10:50:33 |
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| Line 14 | Line 14 |
| #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 | // global var |
| Line 59 static void _left(Request& r, const Stri | Line 60 static void _left(Request& r, const Stri |
| size_t n=(size_t)r.process(*static_cast<Value *>(params->get(0))).as_double(); | size_t n=(size_t)r.process(*static_cast<Value *>(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&, Array *params) { |
| Line 68 static void _right(Request& r, const Str | Line 69 static void _right(Request& r, const Str |
| size_t n=(size_t)r.process(*static_cast<Value *>(params->get(0))).as_double(); | size_t n=(size_t)r.process(*static_cast<Value *>(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&, Array *params) { |
| Line 78 static void _mid(Request& r, const Strin | Line 79 static void _mid(Request& r, const Strin |
| size_t n=(size_t)r.process(*static_cast<Value *>(params->get(1))).as_double(); | size_t n=(size_t)r.process(*static_cast<Value *>(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, Array *params) { |
| Line 136 static void _rsplit(Request& r, const St | Line 137 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 *) { |
| if(row) | |
| table+=row; | |
| } | |
| 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->append(ai.src->mid(start, finish), String::UL_PASS_APPENDED);//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->append(*(String *)row->get(1/*match* /), String::UL_PASS_APPENDED); | |
| ai.dest->APPEND_CONST(")"); | |
| */ | |
| ai.dest->append(replaced.as_string(), String::UL_PASS_APPENDED); | |
| } | |
| ai.post_match=(String *)row->get(2/*post_match*/); | |
| } else // end | |
| ai.dest->append(*ai.post_match, String::UL_PASS_APPENDED); | |
| } | |
| /** search/replace | |
| ^string.match[regexp][options] | |
| ^string.match[regexp][options]{replacement-code} | |
| */ | |
| static void _match(Request& r, const String& method_name, Array *params) { | static void _match(Request& r, const String& method_name, Array *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=*static_cast<Value *>(params->get(0)); |
| // forcing {this param type} | // forcing [this param type] |
| r.fail_if_junction_(false, regexp, method_name, "regexp must be junction"); | r.fail_if_junction_(true, regexp, method_name, "regexp must not be junction"); |
| const String *options=0; | const String *options=0; |
| if(params->size()>1) { | if(params->size()>1) { |
| Line 153 static void _match(Request& r, const Str | Line 200 static void _match(Request& r, const Str |
| options=&value.as_string(); | 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(&method_name, |
| r.process(regexp).as_string(), options, | regexp.as_string(), options, |
| &table)) { | &table, |
| // matched | search_action, 0)) { |
| if(table->columns()->size()==3 && // just matched[3=pre/match/post], no substrings | // matched |
| table->size()==1) // just one row, not Global search | if(table->columns()->size()==3 && // just matched[3=pre/match/post], no substrings |
| result=new(pool) VBool(pool, true); | table->size()==1) // just one row, not /g_lobal search |
| else // table of match column+substring columns | result=new(pool) VBool(pool, true); |
| result=new(pool) VTable(pool, table); | else // table of pre/match/post+substrings |
| } else // not global & not matched | result=new(pool) VTable(pool, table); |
| result=new(pool) VBool(pool, false); | } else // not matched [not global] |
| result=new(pool) VBool(pool, false); | |
| } else { // replace | |
| Value& replacement_code=*static_cast<Value *>(params->get(2)); | |
| // forcing {this param type} | |
| r.fail_if_junction_(false, replacement_code, | |
| method_name, "replacement code must be junction"); | |
| String& dest=*new(pool) String(pool); | |
| Replace_action_info replace_action_info={ | |
| &r, &method_name, | |
| &src, &dest, | |
| &replacement_code, | |
| &src | |
| }; | |
| src.match(&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 | // initialize |
| Line 202 void initialize_string_class(Pool& pool, | Line 269 void initialize_string_class(Pool& pool, |
| // ^string.rsplit[delim] | // ^string.rsplit[delim] |
| vclass.add_native_method("rsplit", Method::CT_DYNAMIC, _rsplit, 1, 1); | vclass.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} |
| vclass.add_native_method("match", Method::CT_DYNAMIC, _match, 1, 3); | |
| } | } |