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| version 1.71, 2001/08/28 09:27:42 | version 1.82, 2001/10/16 14:49:16 |
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| 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()); | bool convert_problem=false; Exception rethrow_me; |
| int converted; | |
| Value *default_code=params->size()>0? | |
| default_code=¶ms->as_junction(0, "default must be int"):0; // (default) | |
| PTRY { | |
| converted=r.self->as_int(); | |
| } | |
| PCATCH(e) { // convert problem | |
| if(convert_problem=!default_code) { // we have a problem when no default | |
| rethrow_me=e; | |
| converted=0; | |
| } else | |
| converted=r.process(*default_code).as_int(); | |
| } | |
| PEND_CATCH | |
| if(convert_problem) | |
| PTHROW(rethrow_me.type(), rethrow_me.code(), | |
| rethrow_me.problem_source(), | |
| rethrow_me.comment()); | |
| 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()); | bool convert_problem=false; Exception rethrow_me; |
| double converted; | |
| Value *default_code=params->size()>0? | |
| default_code=¶ms->as_junction(0, "default must be double"):0; // (default) | |
| PTRY { | |
| converted=r.self->as_double(); | |
| } | |
| PCATCH(e) { // convert problem | |
| if(convert_problem=!default_code) { // we have a problem when no default | |
| rethrow_me=e; | |
| converted=0; | |
| } else | |
| converted=r.process(*default_code).as_double(); | |
| } | |
| PEND_CATCH | |
| if(convert_problem) | |
| PTHROW(rethrow_me.type(), rethrow_me.code(), | |
| rethrow_me.problem_source(), | |
| rethrow_me.comment()); | |
| 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 71 static void _double(Request& r, const St | Line 111 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 120 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 129 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 p=(size_t)params->as_int(0, "p must be int", r); |
| size_t n=(size_t)r.process(params->get(1)).as_double(); | size_t n=params->size()>1?(size_t)params->as_int(1, "n must be int", r):0; |
| 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(p, p+n))); | r.write_assign_lang(*new(pool) VString(string.mid(p, p+n))); |
| Line 160 static void search_action(Table& table, | Line 200 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 258 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 280 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 296 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 306 public: | Line 347 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) |
| Line 318 const String* sql_result_string(Request& | Line 359 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()) { |
| 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"); | PTHROW(0, 0, |
| &method_name, | |
| "default option must be code"); | |
| } | |
| } else | |
| PTHROW(0, 0, | |
| &method_name, | |
| "options must be hash"); | |
| } else | } else |
| options=0; | options=0; |
| Line 362 static void _sql(Request& r, const Strin | Line 411 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, | PTHROW(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 400 static void _replace(Request& r, const S | Line 441 static void _replace(Request& r, const S |
| 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(); | |
| Value& vfile_name=params->as_no_junction(0, | |
| "file name must not be code"); | |
| const String& src=*static_cast<VString *>(r.self)->get_string(); | |
| // write | |
| file_write(pool, r.absolute(vfile_name.as_string()), | |
| src.cstr(String::UL_AS_IS), src.size(), true); | |
| } | |
| // constructor | // constructor |
| MString::MString(Pool& apool) : Methoded(apool) { | MString::MString(Pool& apool) : Methoded(apool) { |
| Line 410 MString::MString(Pool& apool) : Methoded | Line 464 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 478 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 503 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, 1); | |
| } | } |
| // global variable | // global variable |