--- parser3/src/classes/string.C 2001/10/17 15:44:47 1.83 +++ parser3/src/classes/string.C 2003/03/05 11:57:36 1.125.2.13 @@ -1,13 +1,15 @@ /** @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 1.83 2001/10/17 15:44:47 parser Exp $ + Copyright (c) 2001-2003 ArtLebedev Group (http://www.artlebedev.com) + Author: Alexandr Petrosian (http://paf.design.ru) */ +static const char* IDENT_STRING_C="$Date: 2003/03/05 11:57:36 $"; + #include "classes.h" +#include "pa_vmethod_frame.h" + #include "pa_request.h" #include "pa_vdouble.h" #include "pa_vint.h" @@ -16,452 +18,518 @@ #include "pa_string.h" #include "pa_sql_connection.h" #include "pa_dictionary.h" - -// defines - -#define STRING_CLASS_NAME "string" +#include "pa_vmethod_frame.h" // class -class MString : public Methoded { +class MString: public Methoded { public: - MString(Pool& pool); + MString(); public: // Methoded bool used_directly() { return true; } }; +// global variable + +DECLARE_CLASS_VAR(string, new MString, 0); + +// defines for statics + +#define MATCH_VAR_NAME "match" + +// statics + +static StringPtr match_var_name(new String(MATCH_VAR_NAME)); + // methods -static void _length(Request& r, const String& method_name, MethodParams *) { +static void _length(Request& r, StringPtr method_name, MethodParams* ) { Pool& pool=r.pool(); - Value& result=*new(pool) VDouble(pool, r.self->get_string()->size()); - result.set_name(method_name); - r.write_no_lang(result); + double result=GET_SELF(r, VString).string()->size(); + r.write_no_lang(ValuePtr(new VDouble(result))); } -static void _int(Request& r, const String& method_name, MethodParams *params) { +static void _int(Request& r, StringPtr method_name, MethodParams* params) { Pool& pool=r.pool(); - bool convert_problem=false; Exception rethrow_me; + StringPtr self_string=r.get_self()->get_string(&pool); 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(); + ValuePtr default_code=params->count()>0?params->as_junction(0, "default must be int") + :ValuePtr(0); // (default) + try { + if(!self_string || self_string->is_empty()) + throw Exception("parser.runtime", + method_name, + "parameter is empty string, error converting"); + converted=self_string->as_int(); + } catch(...) { // convert problem + if(!default_code) // we have a problem when no default + rethrow; + else + converted=r.process_to_value(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); - r.write_no_lang(result); + r.write_no_lang(ValuePtr(new VInt(converted))); } -static void _double(Request& r, const String& method_name, MethodParams *params) { +static void _double(Request& r, StringPtr method_name, MethodParams* params) { Pool& pool=r.pool(); - bool convert_problem=false; Exception rethrow_me; + StringPtr self_string=GET_SELF(r, VString).string(); 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(); + ValuePtr default_code=params->count()>0?params->as_junction(0, "default must be double") + :ValuePtr(0); // (default) + try { + if(!self_string || self_string->is_empty()) + throw Exception("parser.runtime", + method_name, + "parameter is empty string, error converting"); + converted=self_string->as_double(); + } catch(...) { // convert problem + if(!default_code) // we have a problem when no default + rethrow; + else + converted=r.process_to_value(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); - r.write_no_lang(result); + r.write_no_lang(ValuePtr(new VDouble(converted))); } -/*not static*/void _string_format(Request& r, const String& method_name, MethodParams *params) { +/*not static*/void _string_format(Request& r, StringPtr method_name, MethodParams* params) { Pool& pool=r.pool(); - Value& fmt=params->as_junction(0, "fmt must be code"); + ValuePtr fmt_maybe_code=(*params)[0]; + // for some time due to stupid {} in original design + StringPtr fmt=r.process_to_string(fmt_maybe_code); - Temp_lang temp_lang(r, String::UL_PASS_APPENDED); - char *buf=format(pool, r.self->as_double(), r.process(fmt).as_string().cstr()); + const char *buf=format(pool, r.get_self()->as_double(), fmt->cstr()); - String result(pool); + String result; result.APPEND_CLEAN(buf, 0, - method_name.origin().file, - method_name.origin().line); + method_name->origin().file, + method_name->origin().line); r.write_no_lang(result); } -static void _left(Request& r, const String&, MethodParams *params) { - Pool& pool=r.pool(); - +static void _left(Request& r, StringPtr /*method_name*/, MethodParams* params) { size_t n=(size_t)params->as_int(0, "n must be int", r); - const String& string=*static_cast(r.self)->get_string(); - r.write_assign_lang(*new(pool) VString(string.mid(0, n))); + StringPtr string=GET_SELF(r, VString).string(); + r.write_assign_lang(*string->mid(0, n)); } -static void _right(Request& r, const String&, MethodParams *params) { - Pool& pool=r.pool(); - +static void _right(Request& r, StringPtr /*method_name*/, MethodParams* params) { size_t n=(size_t)params->as_int(0, "n must be int", r); - const String& string=*static_cast(r.self)->get_string(); - r.write_assign_lang(*new(pool) VString(string.mid(string.size()-n, string.size()))); + StringPtr string=GET_SELF(r, VString).string(); + r.write_assign_lang(*string->mid(string->size()-n, string->size())); } -static void _mid(Request& r, const String&, MethodParams *params) { - Pool& pool=r.pool(); - - const String& string=*static_cast(r.self)->get_string(); +static void _mid(Request& r, StringPtr /*method_name*/, MethodParams* params) { + StringPtr string=GET_SELF(r, VString).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(); + size_t p=(size_t)max(0, params->as_int(0, "p must be int", r)); + size_t n=params->count()>1? + (size_t)max(0, 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(*string->mid(p, p+n)); } -static void _pos(Request& r, const String& method_name, MethodParams *params) { +static void _pos(Request& r, StringPtr method_name, MethodParams* params) { Pool& pool=r.pool(); - - Value& substr=params->as_no_junction(0, "substr must not be code"); + ValuePtr substr=params->as_no_junction(0, "substr must not be code"); - const String& string=*static_cast(r.self)->get_string(); - r.write_assign_lang(*new(pool) VInt(pool, string.pos(substr.as_string()))); + StringPtr string=GET_SELF(r, VString).string(); + r.write_assign_lang(ValuePtr(new VInt(string->pos(*substr->as_string(&pool))))); } -static void split_list(Request& r, const String& method_name, MethodParams *params, - const String& string, - Array& result) { - Value& delim_value=params->as_no_junction(0, "delimiter must not be code"); +static void split_list(Request& r, StringPtr method_name, + MethodParams* params, int paramIndex, + String& string, + ArrayString& result) { + Pool& pool=r.pool(); + ValuePtr delim_value=params->as_no_junction(paramIndex, "delimiter must not be code"); + + string.split(result, 0, *delim_value->as_string(&pool)); +} + +#define SPLIT_LEFT 0x0001 +#define SPLIT_RIGHT 0x0010 +#define SPLIT_HORIZONTAL 0x0100 +#define SPLIT_VERTICAL 0x1000 + +static int split_options(StringPtr options) { + struct Split_option { + const char* keyL; + const char* keyU; + int setBit; + int checkBit; + } split_option[]={ + {"l", "L", SPLIT_LEFT, SPLIT_RIGHT}, // 0xVHRL + {"r", "R", SPLIT_RIGHT, SPLIT_LEFT}, + {"h", "H", SPLIT_HORIZONTAL, SPLIT_VERTICAL}, + {"v", "V", SPLIT_VERTICAL, SPLIT_HORIZONTAL}, + {0} + }; + + int result=0; + if(options) { + for(Split_option *o=split_option; o->keyL; o++) + if(options->pos(o->keyL)>=0 + || (o->keyU && options->pos(o->keyU)>=0)) { + if(result & o->checkBit) + throw Exception("parser.runtime", + options, + "conflicting split options"); + result |= o->setBit; + } + } + + return result; +} + +static TablePtr split_vertical(Request& r, StringPtr string, ArrayString& pieces, bool right) { + Pool& pool=r.pool(); + + Table::columns_type columns(new ArrayString); + *columns+=StringPtr(new String("piece")); + + TablePtr table(new Table(string, columns, pieces.count())); + if(right) { // right + for(int i=pieces.count(); --i>=0; ) { + Table::element_type row(new ArrayString); + *row+=pieces[i]; + *table+=row; + } + } else { // left + Array_iterator i(pieces); + while(i.has_next()) { + Table::element_type row(new ArrayString); + *row+=i.next(); + *table+=row; + } + } - string.split(result, 0, delim_value.as_string()); + return table; } -static void _lsplit(Request& r, const String& method_name, MethodParams *params) { +static TablePtr split_horizontal(Request& r, StringPtr string, ArrayString& pieces, bool right) { Pool& pool=r.pool(); - const String& string=*static_cast(r.self)->get_string(); - - Array pieces(pool); - split_list(r, method_name, params, string, pieces); - - Array& columns=*new(pool) Array(pool); - columns+=new(pool) String(pool, "piece"); - Table& table=*new(pool) Table(pool, &string, - &columns, pieces.size()); - Array_iter i(pieces); - while(i.has_next()) { - Array& row=*new(pool) Array(pool); - row+=i.next(); - table+=&row; + TablePtr table(new Table(string, Table::columns_type(0) /* nameless */)); + Table::element_type row(new ArrayString(pieces.count())); + if(right) { // right + for(int i=pieces.count(); --i>=0; ) { + *row+=pieces[i]; + } + } else { // left + Array_iterator i(pieces); + while(i.has_next()) { + *row+=i.next(); + } } - r.write_no_lang(*new(pool) VTable(pool, &table)); + *table+=row; + + return table; } -static void _rsplit(Request& r, const String& method_name, MethodParams *params) { +static void split_with_options(Request& r, StringPtr method_name, MethodParams* params, + int bits) { Pool& pool=r.pool(); - const String& string=*static_cast(r.self)->get_string(); - - Array pieces(pool); - split_list(r, method_name, params, string, pieces); + StringPtr string=GET_SELF(r, VString).string(); - Array& columns=*new(pool) Array(pool); - columns+=new(pool) String(pool, "piece"); + ArrayString pieces; + split_list(r, method_name, params, 0, *string, pieces); - Table& table=*new(pool) Table(pool, &string, - &columns, pieces.size()); - for(int i=pieces.size(); --i>=0; ) { - Array& row=*new(pool) Array(pool); - row+=pieces.get(i); - table+=&row; + if(!bits) { + StringPtr options(0); + if(params->count()>1) { + options=params->as_string(1, "options must not be code"); + } + bits=split_options(options); } - r.write_no_lang(*new(pool) VTable(pool, &table)); + bool right=(bits & SPLIT_RIGHT) != 0; + bool horizontal=(bits & SPLIT_HORIZONTAL) !=0; + TablePtr table=horizontal?split_horizontal(r, string, pieces, right) + :split_vertical(r, string, pieces, right); + + r.write_no_lang(ValuePtr(new VTable(table))); +} +static void _split(Request& r, StringPtr method_name, MethodParams* params) { + split_with_options(r, method_name, params, 0 /* maybe-determine from param #2 */); +} +static void _lsplit(Request& r, StringPtr method_name, MethodParams* params) { + split_with_options(r, method_name, params, SPLIT_LEFT); +} +static void _rsplit(Request& r, StringPtr method_name, MethodParams* params) { + split_with_options(r, method_name, params, SPLIT_RIGHT); } -static void search_action(Table& table, Array *row, int, int, void *) { +static void search_action(TablePtr table, Table::element_type row, int, int, int, int, void *) { if(row) - table+=row; + *table+=row; } #ifndef DOXYGEN struct Replace_action_info { - Request *request; const String *origin; - const String *src; String *dest; - Value *replacement_code; - const String *post_match; + Request *request; + StringPtr origin; + StringPtr src; String* dest; + VTablePtr vtable; + ValuePtr replacement_code; }; #endif -static void replace_action(Table& table, Array *row, int start, int finish, - void *info) { +/// @todo they can do $global[$result] there, getting pointer to later-invalid local var, kill this +static void replace_action(TablePtr table, ArrayStringPtr row, + int prestart, int prefinish, + int poststart, int postfinish, + void *info) { Replace_action_info& ai=*static_cast(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("-"); + // piece from last match['prestart'] to beginning of this match['prefinish'] + if(prestart!=prefinish) + *ai.dest << ai.src->mid(prestart, prefinish);//ai.dest->APPEND_CONST("-"); // store found parts in one-record VTable - if(table.size()) // middle - table.put(0, row); + if(table->count()) // middle + table->put(0, row); else // begin - table+=row; + *table+=row; { // execute 'replacement_code' in 'table' context - VTable& vtable=*new(table.pool()) VTable(table.pool(), &table); - vtable.set_name(*ai.origin); + ai.vtable->set_table(table); - Junction *junction=ai.replacement_code->get_junction(); - Value *saved_match_var_value=junction->root->get_element(*match_var_name); - junction->root->put_element(*match_var_name, &vtable); - Value& replaced=ai.request->process(*ai.replacement_code, ai.origin, false); - junction->root->put_element(*match_var_name, saved_match_var_value); - - /* - ai.dest->APPEND_CONST("("); - *ai.dest << *(String *)row->get(1/*match* /); - ai.dest->APPEND_CONST(")"); - */ - *ai.dest << replaced.as_string(); + *ai.dest << ai.request->process_to_string(ai.replacement_code); } - ai.post_match=(String *)row->get(2/*post_match*/); } else // end - *ai.dest << *ai.post_match; + *ai.dest << ai.src->mid(poststart, postfinish); } /// @todo use pcre:study somehow -static void _match(Request& r, const String& method_name, MethodParams *params) { +static void _match(Request& r, StringPtr method_name, MethodParams* params) { Pool& pool=r.pool(); - const String& src=*static_cast(r.self)->get_string(); + ValuePtr regexp=params->as_no_junction(0, "regexp must not be code"); - Value& regexp=params->as_no_junction(0, "regexp must not be code"); + StringPtr options= + params->count()>1? + params->as_no_junction(1, "options must not be code")->as_string(&pool):StringPtr(0); - const String *options= - params->size()>1? - ¶ms->as_no_junction(1, "options must not be code").as_string():0; - - Value *result; Temp_lang temp_lang(r, String::UL_PASS_APPENDED); - Table *table; - if(params->size()<3) { // search + StringPtr src=GET_SELF(r, VString).string(); + if(params->count()<3) { // search bool was_global; - bool matched=src.match(r.pcre_tables(), - &method_name, - regexp.as_string(), options, - &table, + TablePtr table=src->match(r.charsets.source(), + method_name, + *regexp->as_string(&pool), options, search_action, 0, &was_global); + ValuePtr result; // matched // not (just matched[3=pre/match/post], no substrings) or Global search - if(table->columns()->size()>3 || was_global) - result=new(pool) VTable(pool, table); // table of pre/match/post+substrings + if(was_global || (table && table->columns()->count()>3)) + result=ValuePtr(new VTable(table/*TODO: clone this when table would be stacked!*/)); // table of pre/match/post+substrings else - result=new(pool) VBool(pool, matched); + result=ValuePtr(new VBool(table)); + r.write_assign_lang(result); } else { // replace - Value& replacement_code=params->as_junction(2, "replacement code must be code"); + ValuePtr replacement_code=params->as_junction(2, "replacement param 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); + String result; + VTablePtr vtable(new VTable); + Replace_action_info info; + info.request=&r; + info.origin=method_name; + info.src=src; + info.dest=&result; + info.vtable=vtable; + info.replacement_code=replacement_code; + Temp_value_element temp_match_var( + *replacement_code->get_junction()->method_frame, + match_var_name, vtable); + src->match(r.charsets.source(), + method_name, + *r.process_to_string(regexp), options, + replace_action, &info); + r.write_assign_lang(result); } - result->set_name(method_name); - r.write_assign_lang(*result); } -static void change_case(Request& r, const String& method_name, MethodParams *params, +static void change_case(Request& r, StringPtr method_name, MethodParams* params, String::Change_case_kind kind) { Pool& pool=r.pool(); - const String& src=*static_cast(r.self)->get_string(); + StringPtr src=GET_SELF(r, VString).string(); - r.write_assign_lang(*new(pool) VString(src.change_case(pool, r.pcre_tables(), - kind))); + r.write_assign_lang(*src->change_case(pool, r.charsets.source(), kind)); } -static void _upper(Request& r, const String& method_name, MethodParams *params) { +static void _upper(Request& r, StringPtr method_name, MethodParams* params) { change_case(r, method_name, params, String::CC_UPPER); } -static void _lower(Request& r, const String& method_name, MethodParams *params) { +static void _lower(Request& r, StringPtr method_name, MethodParams* params) { change_case(r, method_name, params, String::CC_LOWER); } #ifndef DOXYGEN -class String_sql_event_handlers : public SQL_Driver_query_event_handlers { +class String_sql_event_handlers: public SQL_Driver_query_event_handlers { + //Pool& pool; + StringPtr statement_string; const char* statement_cstr; + bool got_column; public: - String_sql_event_handlers(Pool& apool, - const String& astatement_string, const char *astatement_cstr) : - pool(apool), + bool got_cell; + StringPtr result; +public: + String_sql_event_handlers(//Pool& apool, + StringPtr astatement_string, const char* astatement_cstr): + //pool(apool), statement_string(astatement_string), statement_cstr(astatement_cstr), - got_column(false), got_cell(false) { - result=new(pool) String(pool); - } + result(new String) {} - void add_column(void *ptr, size_t size) { - if(got_column) - PTHROW(0, 0, - &statement_string, + bool add_column(SQL_Error& error, void *ptr, size_t size) { + if(got_column) { + error=SQL_Error("parser.runtime", + //statement_string, "result must contain exactly one column"); + return true; + } got_column=true; + return false; } - void before_rows() { /* ignore */ } - void add_row() { /* ignore */ } - void add_row_cell(void *ptr, size_t size) { - if(got_cell) - PTHROW(0, 0, - &statement_string, + bool before_rows(SQL_Error& /*error*/ ) { /* ignore */ return false; } + bool add_row(SQL_Error& /*error*/) { /* ignore */ return false; } + bool add_row_cell(SQL_Error& error, void *ptr, size_t size) { + if(got_cell) { + error=SQL_Error("parser.runtime", + //statement_string, "result must not contain more then one row"); - got_cell=true; + return true; + } - result->APPEND_TAINTED((const char *)ptr, size, statement_cstr, 0); + try { + got_cell=true; + result->APPEND_TAINTED((const char* )ptr, size, statement_cstr, 0); + return false; + } catch(...) { + error=SQL_Error("exception occured in String_sql_event_handlers::add_row_cell"); + return true; + } } - -private: - Pool& pool; - const String& statement_string; const char *statement_cstr; - bool got_column; -public: - bool got_cell; - String *result; }; #endif -const String* sql_result_string(Request& r, const String& method_name, MethodParams *params, - Hash *& options, Value *& default_code) { +extern StringPtr sql_limit_name; +extern StringPtr sql_offset_name; +extern StringPtr sql_default_name; +extern StringPtr sql_distinct_name; +StringPtr sql_result_string(Request& r, StringPtr method_name, MethodParams* params, + HashStringValue*& options, ValuePtr& default_code) { Pool& pool=r.pool(); - if(!r.connection) - PTHROW(0, 0, - &method_name, - "without connect"); - - Value& statement=params->as_junction(0, "statement must be code"); + ValuePtr statement=params->as_junction(0, "statement must be code"); ulong limit=0; ulong offset=0; - default_code=0; - if(params->size()>1) { - Value& voptions=params->as_no_junction(1, "options must be hash, not code"); - if(voptions.is_defined()) - if(options=voptions.get_hash()) { - if(Value *vlimit=(Value *)options->get(*sql_limit_name)) - limit=(ulong)r.process(*vlimit).as_double(); - if(Value *voffset=(Value *)options->get(*sql_offset_name)) - offset=(ulong)r.process(*voffset).as_double(); - if(default_code=(Value *)options->get(*sql_default_name)) { - if(!default_code->get_junction()) - PTHROW(0, 0, - &method_name, + default_code=ValuePtr(0); + if(params->count()>1) { + ValuePtr voptions=params->as_no_junction(1, "options must be hash, not code"); + if(!voptions->is_string()) + if(options=voptions->get_hash(method_name)) { + if(ValuePtr vlimit=options->get(sql_limit_name)) + limit=(ulong)r.process_to_value(vlimit)->as_double(); + if(ValuePtr voffset=options->get(sql_offset_name)) + offset=(ulong)r.process_to_value(voffset)->as_double(); + if(default_code=options->get(sql_default_name)) { + if(JunctionPtr default_junction=default_code->get_junction()) + ;//default_junction->change_context(statement.get_junction()); + else + throw Exception("parser.runtime", + method_name, "default option must be code"); } } else - PTHROW(0, 0, - &method_name, + throw Exception("parser.runtime", + method_name, "options must be hash"); } else options=0; Temp_lang temp_lang(r, String::UL_SQL); - const String& statement_string=r.process(statement).as_string(); - const char *statement_cstr= - statement_string.cstr(String::UL_UNSPECIFIED, r.connection); - String_sql_event_handlers handlers(pool, statement_string, statement_cstr); - bool need_rethrow=false; Exception rethrow_me; - PTRY { - r.connection->query( - statement_cstr, offset, limit, - handlers); - } - 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()); + StringPtr statement_string=r.process_to_string(statement); + const char* statement_cstr= + statement_string->cstr(pool, String::UL_UNSPECIFIED, r.connection(method_name)); + String_sql_event_handlers handlers(statement_string, statement_cstr); + r.connection(method_name)->query( + statement_cstr, offset, limit, + handlers, + statement_string); if(!handlers.got_cell) - return 0; // no lines, caller should return second param[default value] + return StringPtr(0); // no lines, caller should return second param[default value] return handlers.result; } -static void _sql(Request& r, const String& method_name, MethodParams *params) { +static void _sql(Request& r, StringPtr method_name, MethodParams* params) { Pool& pool=r.pool(); - Hash *options; - Value *default_code; - const String *string=sql_result_string(r, method_name, params, options, default_code); + HashStringValue* options; + ValuePtr default_code; + StringPtr string=sql_result_string(r, method_name, params, options, default_code); if(!string) { if(default_code) { - string=r.process(*default_code).get_string(); + string=r.process_to_string(default_code); if(!string) - string=new(pool) String(pool); + string=StringPtr(new String); } else - PTHROW(0, 0, - &method_name, + throw Exception("parser.runtime", + method_name, "produced no result, but no default option specified"); } - VString& result=*new(pool) VString(*string); - result.set_name(method_name); - r.write_assign_lang(result); + + r.write_assign_lang(*string); } -static void _replace(Request& r, const String& method_name, MethodParams *params) { +static void _replace(Request& r, StringPtr method_name, MethodParams* params) { Pool& pool=r.pool(); - const String& src=*static_cast(r.self)->get_string(); + StringPtr src=GET_SELF(r, VString).string(); - 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) - PTHROW(0, 0, - &method_name, + throw Exception("parser.runtime", + method_name, "parameter must be table"); - Dictionary dict(*table); - 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(r.self)->get_string(); + TablePtr tp(table); + Dictionary dict2(tp, 1/*am not sure why using the =default parameter causes compile errors in replace*/ ); + r.write_assign_lang(*src->replace(pool, dict2)); +} + +static void _save(Request& r, StringPtr method_name, MethodParams* params) { + StringPtr file_name=params->as_string(params->count()-1, + "file name must be string"); + + StringPtr src=GET_SELF(r, VString).string(); + + bool do_append=false; + if(params->count()>1) { + StringPtr mode=params->as_string(0, "mode must be string"); + if(*mode=="append") + do_append=true; + else + throw Exception("parser.runtime", + mode, + "unknown mode, must be 'append'"); + } // write - file_write(pool, r.absolute(vfile_name.as_string()), - src.cstr(String::UL_AS_IS), src.size(), true); + CharPtr buf=src->cstr(String::UL_UNSPECIFIED, r.connection(StringPtr(0)/*no error if none*/)); + file_write(r.absolute(file_name), + buf, strlen(buf), true, do_append); } -// constructor +static void _normalize(Request& r, StringPtr method_name, MethodParams* /*params*/) { + StringPtr src=GET_SELF(r, VString).string(); -MString::MString(Pool& apool) : Methoded(apool) { - set_name(*NEW String(pool(), STRING_CLASS_NAME)); + r.write_assign_lang(*src->join_chains(r.pool())); +} +// constructor +MString::MString(): Methoded("string") { // ^string.length[] add_native_method("length", Method::CT_DYNAMIC, _length, 0, 0); @@ -485,11 +553,15 @@ MString::MString(Pool& apool) : Methoded // ^string.pos[substr] add_native_method("pos", Method::CT_DYNAMIC, _pos, 1, 1); - // ^string.lsplit[delim] - add_native_method("lsplit", Method::CT_DYNAMIC, _lsplit, 1, 1); - // ^string.rsplit[delim] - add_native_method("rsplit", Method::CT_DYNAMIC, _rsplit, 1, 1); - + // ^string.split[delim] + // ^string.split[delim][options] + add_native_method("split", Method::CT_DYNAMIC, _split, 1, 2); + // old names for backward compatibility + // ^string.lsplit[delim] + add_native_method("lsplit", Method::CT_DYNAMIC, _lsplit, 1, 1); + // ^string.rsplit[delim] + add_native_method("rsplit", Method::CT_DYNAMIC, _rsplit, 1, 1); + // ^string.match[regexp][options] // ^string.match[regexp][options]{replacement-code} add_native_method("match", Method::CT_DYNAMIC, _match, 1, 3); @@ -507,15 +579,8 @@ MString::MString(Pool& apool) : Methoded 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 + add_native_method("save", Method::CT_DYNAMIC, _save, 1, 2); -Methoded *string_class; - -// creator - -Methoded *MString_create(Pool& pool) { - return string_class=new(pool) MString(pool); -} + // ^string.normalize[] + add_native_method("normalize", Method::CT_DYNAMIC, _normalize, 0, 0); +}