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| version 1.151, 2007/02/03 18:08:38 | version 1.243, 2019/11/20 20:48:25 |
|---|---|
| Line 1 | Line 1 |
| /** @file | /** @file |
| Parser: @b string parser class. | Parser: @b string parser class. |
| Copyright (c) 2001-2005 ArtLebedev Group (http://www.artlebedev.com) | Copyright (c) 2001-2017 Art. Lebedev Studio (http://www.artlebedev.com) |
| Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru) | Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru) |
| */ | */ |
| static const char * const IDENT_STRING_C="$Date$"; | |
| #include "classes.h" | #include "classes.h" |
| #include "pa_vmethod_frame.h" | #include "pa_vmethod_frame.h" |
| #include "pa_base64.h" | |
| #include "pa_request.h" | #include "pa_request.h" |
| #include "pa_vdouble.h" | #include "pa_vdouble.h" |
| Line 19 static const char * const IDENT_STRING_C | Line 18 static const char * const IDENT_STRING_C |
| #include "pa_sql_connection.h" | #include "pa_sql_connection.h" |
| #include "pa_dictionary.h" | #include "pa_dictionary.h" |
| #include "pa_vmethod_frame.h" | #include "pa_vmethod_frame.h" |
| #include "pa_vregex.h" | |
| #include "pa_charsets.h" | |
| volatile const char * IDENT_STRING_C="$Id$"; | |
| // class | // class |
| class MString: public Methoded { | class MString: public Methoded { |
| public: | public: |
| MString(); | MString(); |
| public: // Methoded | |
| bool used_directly() { return true; } | |
| }; | }; |
| // global variable | // global variable |
| DECLARE_CLASS_VAR(string, new MString, 0); | DECLARE_CLASS_VAR(string, new MString); |
| // void class, inherited from string and thus should be inited afterwards | |
| class MVoid: public Methoded { | |
| public: | |
| MVoid(); | |
| }; | |
| // void global variable should be after string global variable | |
| DECLARE_CLASS_VAR(void, new MVoid); | |
| // defines for statics | // defines for statics |
| #define MATCH_VAR_NAME "match" | #define MATCH_VAR_NAME "match" |
| #define TRIM_START_OPTION "start" | #define TRIM_START_OPTION "left" |
| #define TRIM_END_OPTION "right" | |
| #define TRIM_BOTH_OPTION "both" | #define TRIM_BOTH_OPTION "both" |
| #define TRIM_END_OPTION "end" | |
| #define MODE_APPEND "append" | |
| #define UNESCAPE_MODE_JS "js" | |
| #define UNESCAPE_MODE_URI "uri" | |
| // statics | // statics |
| Line 47 static const String match_var_name(MATCH | Line 64 static const String match_var_name(MATCH |
| // methods | // methods |
| static void _length(Request& r, MethodParams&) { | static void _length(Request& r, MethodParams&) { |
| double result=GET_SELF(r, VString).string().length(); | double result=GET_SELF(r, VString).string().length(r.charsets.source()); |
| r.write_no_lang(*new VDouble(result)); | r.write(*new VDouble(result)); |
| } | } |
| static void _int(Request& r, MethodParams& params) { | static void _int(Request& r, MethodParams& params) { |
| const String& self_string=GET_SELF(r, VString).string(); | const String& self_string=GET_SELF(r, VString).string(); |
| int converted; | int converted; |
| try { | |
| if(self_string.is_empty()) | if(self_string.is_empty()) { |
| throw Exception("parser.runtime", | |
| 0, | |
| "parameter is empty string, error converting"); | |
| converted=self_string.as_int(); | |
| } catch(...) { // convert problem | |
| if(params.count()>0) | if(params.count()>0) |
| converted=params.as_int(0, "default must be int", r); // (default) | converted=params.as_int(0, "default must be int", r); // (default) |
| else | else |
| rethrow; // we have a problem when no default | throw Exception(PARSER_RUNTIME, 0, "unable to convert empty string without default specified"); |
| } else { | |
| try { | |
| converted=self_string.as_int(); | |
| } catch(...) { // convert problem | |
| if(params.count()>0) | |
| converted=params.as_int(0, "default must be int", r); // (default) | |
| else | |
| rethrow; // we have a problem when no default | |
| } | |
| } | } |
| r.write_no_lang(*new VInt(converted)); | |
| r.write(*new VInt(converted)); | |
| } | } |
| static void _double(Request& r, MethodParams& params) { | static void _double(Request& r, MethodParams& params) { |
| const String& self_string=GET_SELF(r, VString).string(); | const String& self_string=GET_SELF(r, VString).string(); |
| double converted; | |
| try { | if(self_string.is_empty()) { |
| if(self_string.is_empty()) | |
| throw Exception("parser.runtime", | |
| 0, | |
| "parameter is empty string, error converting"); | |
| converted=self_string.as_double(); | |
| } catch(...) { // convert problem | |
| if(params.count()>0) | if(params.count()>0) |
| converted=params.as_double(0, "default must be double", r); // (default) | r.write(*new VDouble(params.as_double(0, "default must be double", r))); // (default) |
| else | else |
| rethrow; // we have a problem when no default | throw Exception(PARSER_RUNTIME, 0, "unable to convert empty string without default specified"); |
| } else { | |
| try { | |
| r.write(*new VDouble(self_string.as_double())); | |
| } catch(...) { // convert problem | |
| if(params.count()>0) | |
| r.write(*new VDouble(params.as_double(0, "default must be double", r))); // (default) | |
| else | |
| rethrow; // we have a problem when no default | |
| } | |
| } | } |
| r.write_no_lang(*new VDouble(converted)); | |
| } | } |
| static void _bool(Request& r, MethodParams& params) { | static void _bool(Request& r, MethodParams& params) { |
| const String& self_string=GET_SELF(r, VString).string(); | const String& self_string=GET_SELF(r, VString).string(); |
| bool converted; | bool converted; |
| try { | const char *str=self_string.cstr(); |
| if(self_string.is_empty()) | |
| throw Exception("parser.runtime", | if(self_string.is_empty()) { |
| 0, | |
| "parameter is empty string, error converting"); | |
| converted=self_string.as_bool(); | |
| } catch(...) { // convert problem | |
| if(params.count()>0) | if(params.count()>0) |
| converted=params.as_bool(0, "default must be bool", r); // (default) | converted=params.as_bool(0, "default must be bool", r); // (default) |
| else | else |
| rethrow; // we have a problem when no default | throw Exception(PARSER_RUNTIME, 0, "unable to convert empty string without default specified"); |
| } else if( (str[0]=='T' || str[0]=='t') && (str[1]=='R' || str[1]=='r') && (str[2]=='U' || str[2]=='u') && | |
| (str[3]=='E' || str[3]=='e') && str[4]==0 ) { // "true" | |
| converted=true; | |
| } else if( (str[0]=='F' || str[0]=='f') && (str[1]=='A' || str[1]=='a') && (str[2]=='L' || str[2]=='l') && | |
| (str[3]=='S' || str[3]=='s') && (str[4]=='E' || str[4]=='e') && str[5]==0 ) { // "false" | |
| converted=false; | |
| } else { | |
| try { | |
| converted=self_string.as_bool(); | |
| } catch(...) { // convert problem | |
| if(params.count()>0) | |
| converted=params.as_bool(0, "default must be bool", r); // (default) | |
| else | |
| rethrow; // we have a problem when no default | |
| } | |
| } | } |
| r.write_no_lang(*new VBool(converted)); | r.write(VBool::get(converted)); |
| } | } |
| /*not static*/void _string_format(Request& r, MethodParams& params) { | /*not static*/void _string_format(Request& r, MethodParams& params) { |
| Line 113 static void _bool(Request& r, MethodPara | Line 147 static void _bool(Request& r, MethodPara |
| // for some time due to stupid {} in original design | // for some time due to stupid {} in original design |
| const String& fmt=r.process_to_string(fmt_maybe_code); | const String& fmt=r.process_to_string(fmt_maybe_code); |
| const char* buf=format(r.get_self().as_double(), fmt.cstrm()); | const char* buf=format(r.get_self().as_double(), fmt.trim().cstrm()); |
| r.write_no_lang(String(buf)); | r.write(String(buf)); |
| } | } |
| static void _left(Request& r, MethodParams& params) { | static void _left(Request& r, MethodParams& params) { |
| ssize_t sn=params.as_int(0, "n must be int", r); | ssize_t sn=params.as_int(0, "n must be int", r); |
| if(sn<0) | |
| throw Exception("parser.runtime", | |
| 0, | |
| "n(%d) must be >=0", sn); | |
| size_t n=(size_t)sn; | |
| const String& string=GET_SELF(r, VString).string(); | const String& string=GET_SELF(r, VString).string(); |
| r.write_assign_lang(string.mid(0, n)); | r.write(sn<0 ? string : string.mid(r.charsets.source(), 0, (size_t)sn)); |
| } | } |
| static void _right(Request& r, MethodParams& params) { | static void _right(Request& r, MethodParams& params) { |
| ssize_t sn=(size_t)params.as_int(0, "n must be int", r); | ssize_t sn=params.as_int(0, "n must be int", r); |
| if(sn<0) | if(sn>0){ |
| throw Exception("parser.runtime", | size_t n=(size_t)sn; |
| 0, | const String& string=GET_SELF(r, VString).string(); |
| "n(%d) must be >=0", sn); | size_t length=string.length(r.charsets.source()); |
| size_t n=(size_t)sn; | r.write(n<length ? string.mid(r.charsets.source(), length-n, length, length) : string); |
| } | |
| const String& string=GET_SELF(r, VString).string(); | |
| size_t length=string.length(); | |
| r.write_assign_lang(n<length?string.mid(length-n, string.length()):string); | |
| } | } |
| static void _mid(Request& r, MethodParams& params) { | static void _mid(Request& r, MethodParams& params) { |
| Line 149 static void _mid(Request& r, MethodParam | Line 173 static void _mid(Request& r, MethodParam |
| ssize_t sbegin=params.as_int(0, "p must be int", r); | ssize_t sbegin=params.as_int(0, "p must be int", r); |
| if(sbegin<0) | if(sbegin<0) |
| throw Exception("parser.runtime", | throw Exception(PARSER_RUNTIME, 0, "p(%d) must be >=0", sbegin); |
| 0, | |
| "p(%d) must be >=0", sbegin); | |
| size_t begin=(size_t)sbegin; | size_t begin=(size_t)sbegin; |
| size_t end; | size_t end; |
| size_t length=0; | |
| if(params.count()>1) { | if(params.count()>1) { |
| ssize_t sn=params.as_int(1, "n must be int", r); | ssize_t sn=params.as_int(1, "n must be int", r); |
| if(sn<0) | if(sn<0) |
| throw Exception("parser.runtime", | throw Exception(PARSER_RUNTIME, 0, "n(%d) must be >=0", sn); |
| 0, | |
| "n(%d) must be >=0", sn); | |
| end=begin+(size_t)sn; | end=begin+(size_t)sn; |
| } else | } else { |
| end=string.length(); | length=string.length(r.charsets.source()); |
| end=length; | |
| r.write_assign_lang(string.mid(begin, end)); | } |
| r.write(string.mid(r.charsets.source(), begin, end, length)); | |
| } | } |
| static void _pos(Request& r, MethodParams& params) { | static void _pos(Request& r, MethodParams& params) { |
| Value& substr=params.as_no_junction(0, "substr must not be code"); | Value& substr=params.as_no_junction(0, "substr must not be code"); |
| const String& string=GET_SELF(r, VString).string(); | const String& string=GET_SELF(r, VString).string(); |
| r.write_assign_lang(*new VInt((int)string.pos(substr.as_string()))); | ssize_t offset=0; |
| if(params.count()>1){ | |
| offset=params.as_int(1, "n must be int", r); | |
| if(offset<0) | |
| throw Exception(PARSER_RUNTIME, 0, "n(%d) must be >=0", offset); | |
| } | |
| r.write(*new VInt((int)string.pos(r.charsets.source(), substr.as_string(), (size_t)offset))); | |
| } | } |
| static void split_list(MethodParams& params, int paramIndex, | static void split_list(MethodParams& params, int paramIndex, const String& string, ArrayString& result) { |
| const String& string, | |
| ArrayString& result) { | |
| Value& delim_value=params.as_no_junction(paramIndex, "delimiter must not be code"); | Value& delim_value=params.as_no_junction(paramIndex, "delimiter must not be code"); |
| string.split(result, 0, delim_value.as_string()); | |
| size_t pos_after=0; | |
| string.split(result, pos_after, delim_value.as_string()); | |
| } | } |
| #define SPLIT_LEFT 0x0001 | #define SPLIT_LEFT 0x0001 |
| Line 209 static int split_options(const String* o | Line 235 static int split_options(const String* o |
| if(options->pos(o->keyL)!=STRING_NOT_FOUND | if(options->pos(o->keyL)!=STRING_NOT_FOUND |
| || (o->keyU && options->pos(o->keyU)!=STRING_NOT_FOUND)) { | || (o->keyU && options->pos(o->keyU)!=STRING_NOT_FOUND)) { |
| if(result & o->checkBit) | if(result & o->checkBit) |
| throw Exception("parser.runtime", | throw Exception(PARSER_RUNTIME, options, "conflicting split options"); |
| options, | |
| "conflicting split options"); | |
| result |= o->setBit; | result |= o->setBit; |
| } | } |
| } | } |
| Line 219 static int split_options(const String* o | Line 243 static int split_options(const String* o |
| return result; | return result; |
| } | } |
| static Table& split_vertical(ArrayString& pieces, bool right) { | static Table& split_vertical(ArrayString& pieces, bool right, const String* column_name) { |
| Table::columns_type columns(new ArrayString); | Table::columns_type columns(new ArrayString); |
| *columns+=new String("piece"); | *columns+=column_name; |
| Table& table=*new Table(columns, pieces.count()); | Table& table=*new Table(columns, pieces.count()); |
| if(right) { // right | if(right) { // right |
| Line 257 static Table& split_horizontal(ArrayStri | Line 281 static Table& split_horizontal(ArrayStri |
| return table; | return table; |
| } | } |
| static void split_with_options(Request& r, MethodParams& params, | static void split_with_options(Request& r, MethodParams& params, int bits) { |
| int bits) { | |
| const String& string=GET_SELF(r, VString).string(); | const String& string=GET_SELF(r, VString).string(); |
| size_t params_count=params.count(); | |
| ArrayString pieces; | ArrayString pieces; |
| split_list(params, 0, string, pieces); | split_list(params, 0, string, pieces); |
| if(!bits) { | if(!bits) { |
| const String* options=0; | const String* options=0; |
| if(params.count()>1) | if(params_count>1) |
| options=¶ms.as_string(1, "options must not be code"); | options=¶ms.as_string(1, OPTIONS_MUST_NOT_BE_CODE); |
| bits=split_options(options); | bits=split_options(options); |
| } | } |
| bool right=(bits & SPLIT_RIGHT) != 0; | bool right=(bits & SPLIT_RIGHT) != 0; |
| bool horizontal=(bits & SPLIT_HORIZONTAL) !=0; | bool horizontal=(bits & SPLIT_HORIZONTAL) !=0; |
| Table& table=horizontal?split_horizontal(pieces, right) | |
| :split_vertical(pieces, right); | |
| r.write_no_lang(*new VTable(&table)); | const String* column_name=0; |
| if(params_count>2){ | |
| column_name=¶ms.as_string(2, COLUMN_NAME_MUST_BE_STRING); | |
| if (horizontal && !column_name->is_empty()) | |
| throw Exception(PARSER_RUNTIME, column_name, "column name can't be specified with horisontal split"); | |
| } | |
| if(!column_name || column_name->is_empty()) | |
| column_name=new String("piece"); | |
| Table& table=horizontal?split_horizontal(pieces, right):split_vertical(pieces, right, column_name); | |
| r.write(*new VTable(&table)); | |
| } | } |
| static void _split(Request& r, MethodParams& params) { | static void _split(Request& r, MethodParams& params) { |
| split_with_options(r, params, 0 /* maybe-determine from param #2 */); | split_with_options(r, params, 0 /* maybe-determine from param #2 */); |
| Line 296 static void search_action(Table& table, | Line 328 static void search_action(Table& table, |
| #ifndef DOXYGEN | #ifndef DOXYGEN |
| struct Replace_action_info { | struct Replace_action_info { |
| Request* request; | Request* request; |
| const String* src; String* dest; | const String* src; |
| String* dest; | |
| VTable* vtable; | VTable* vtable; |
| Value* replacement_code; | Value* replacement_code; |
| }; | }; |
| #endif | #endif |
| /// @todo they can do $global[$result] there, getting pointer to later-invalid local var, kill this | /// @todo they can do $global[$result] there, getting pointer to later-invalid local var, kill this |
| static void replace_action(Table& table, ArrayString* row, | static void replace_action(Table& table, ArrayString* row, int prestart, int prefinish, int poststart, int postfinish, void *info) { |
| int prestart, int prefinish, | |
| int poststart, int postfinish, | |
| void *info) { | |
| Replace_action_info& ai=*static_cast<Replace_action_info *>(info); | Replace_action_info& ai=*static_cast<Replace_action_info *>(info); |
| if(row) { // begin&middle | if(row) { // begin&middle |
| // piece from last match['prestart'] to beginning of this match['prefinish'] | // piece from last match['prestart'] to beginning of this match['prefinish'] |
| Line 317 static void replace_action(Table& table, | Line 347 static void replace_action(Table& table, |
| table.put(0, row); | table.put(0, row); |
| else // begin | else // begin |
| table+=row; | table+=row; |
| { // execute 'replacement_code' in 'table' context | |
| ai.vtable->set_table(table); | |
| *ai.dest << ai.request->process_to_string(*ai.replacement_code); | { // execute 'replacement_code' in 'table' context |
| if(ai.replacement_code){ | |
| ai.vtable->set_table(table); | |
| *ai.dest << ai.request->process_to_string(*ai.replacement_code); | |
| } | |
| } | } |
| } else // end | } else // end |
| *ai.dest << ai.src->mid(poststart, postfinish); | *ai.dest << ai.src->mid(poststart, postfinish); |
| } | } |
| /// @todo use pcre:study somehow | |
| static void _match(Request& r, MethodParams& params) { | static void _match(Request& r, MethodParams& params) { |
| size_t params_count=params.count(); | |
| Value& regexp=params.as_no_junction(0, "regexp must not be code"); | Value& regexp=params.as_no_junction(0, "regexp must not be code"); |
| Value* options=(params_count>1)?¶ms.as_no_junction(1, OPTIONS_MUST_NOT_BE_CODE):0; | |
| const String* options= | VRegex* vregex; |
| params.count()>1? | VRegexCleaner vrcleaner; |
| ¶ms.as_no_junction(1, "options must not be code").as_string():0; | |
| if(Value* value=regexp.as(VREGEX_TYPE)){ | |
| if(options && options->is_defined()) | |
| throw Exception(PARSER_RUNTIME, 0, "you can not specify regex-object and options together"); | |
| vregex=static_cast<VRegex*>(value); | |
| } else { | |
| vregex=new VRegex(r.charsets.source(), ®exp.as_string(), (options) ? (&options->as_string()) : 0); | |
| vregex->study(); | |
| vrcleaner.vregex=vregex; | |
| } | |
| Temp_lang temp_lang(r, String::L_PASS_APPENDED); | |
| const String& src=GET_SELF(r, VString).string(); | const String& src=GET_SELF(r, VString).string(); |
| bool just_matched; | int matches_count=0; |
| if(params.count()<3) { // search | |
| Table* table=src.match(r.charsets.source(), | if(params_count<3) { // search |
| regexp.as_string(), options, | Table* table=src.match(vregex, search_action, 0, matches_count); |
| search_action, 0, | |
| just_matched); | if(table){ |
| // Value* result; | r.write(*new VTable(table)); |
| // if(table) | } else { |
| // result=new VTable(table); // table of pre/match/post+substrings | r.write(*new VInt(matches_count)); |
| // else | } |
| // result=new VBool(just_matched); | |
| // r.write_assign_lang(*result); | |
| r.write_assign_lang(*new VTable(table)); | |
| } else { // replace | } else { // replace |
| Value& replacement_code=params.as_junction(2, "replacement param must be code"); | |
| Value* replacement_code=0; | |
| bool is_junction=false; | |
| Value* replacement=¶ms[2]; | |
| if(replacement->get_junction()){ | |
| replacement_code=replacement; | |
| is_junction=true; | |
| } else if(replacement->is_string()){ | |
| if(replacement->is_defined()) | |
| replacement_code=replacement; | |
| } else if(!replacement->is_void()) | |
| throw Exception(PARSER_RUNTIME, 0, "replacement option should be junction or string"); | |
| Value* default_code=(params_count==4) ? ¶ms.as_junction(3, "default value must be code") : 0; | |
| String result; | String result; |
| VTable* vtable=new VTable; | VTable* vtable=new VTable; |
| Line 359 static void _match(Request& r, MethodPar | Line 413 static void _match(Request& r, MethodPar |
| &src, | &src, |
| &result, | &result, |
| vtable, | vtable, |
| &replacement_code | replacement_code |
| }; | }; |
| Temp_value_element temp_match_var( | |
| *replacement_code.get_junction()->method_frame, | if(is_junction){ |
| match_var_name, vtable); | Temp_value_element temp(r, *replacement_code->get_junction()->method_frame, match_var_name, vtable); |
| src.match(r.charsets.source(), | src.match(vregex, replace_action, &info, matches_count); |
| r.process_to_string(regexp), options, | } else { |
| replace_action, &info, | src.match(vregex, replace_action, &info, matches_count); |
| just_matched); | } |
| r.write_assign_lang(result); | |
| if(!matches_count && default_code) | |
| r.process_write(*default_code); | |
| else | |
| r.write(result); | |
| } | } |
| } | } |
| static void change_case(Request& r, MethodParams&, | static void change_case(Request& r, MethodParams&, String::Change_case_kind kind) { |
| String::Change_case_kind kind) { | |
| const String& src=GET_SELF(r, VString).string(); | const String& src=GET_SELF(r, VString).string(); |
| r.write_assign_lang(src.change_case(r.charsets.source(), kind)); | r.write(src.change_case(r.charsets.source(), kind)); |
| } | } |
| static void _upper(Request& r, MethodParams& params) { | static void _upper(Request& r, MethodParams& params) { |
| change_case(r, params, String::CC_UPPER); | change_case(r, params, String::CC_UPPER); |
| Line 387 static void _lower(Request& r, MethodPar | Line 444 static void _lower(Request& r, MethodPar |
| #ifndef DOXYGEN | #ifndef DOXYGEN |
| class String_sql_event_handlers: public SQL_Driver_query_event_handlers { | class String_sql_event_handlers: public SQL_Driver_query_event_handlers { |
| const String& statement_string; const char* statement_cstr; | |
| bool got_column; | bool got_column; |
| public: | public: |
| bool got_cell; | bool got_cell; |
| String& result; | const String* result; |
| public: | public: |
| String_sql_event_handlers( | String_sql_event_handlers(): |
| const String& astatement_string, const char* astatement_cstr): | |
| statement_string(astatement_string), statement_cstr(astatement_cstr), | |
| got_column(false), | got_column(false), |
| got_cell(false), | got_cell(false), |
| result(*new String) {} | result(&String::Empty) {} |
| bool add_column(SQL_Error& error, const char* /*str*/, size_t /*length*/) { | bool add_column(SQL_Error& error, const char* /*str*/, size_t /*length*/) { |
| if(got_column) { | if(got_column) { |
| error=SQL_Error("parser.runtime", | error=SQL_Error("result must contain exactly one column"); |
| //statement_string, | |
| "result must contain exactly one column"); | |
| return true; | return true; |
| } | } |
| got_column=true; | got_column=true; |
| Line 412 public: | Line 464 public: |
| } | } |
| bool before_rows(SQL_Error& /*error*/ ) { /* ignore */ return false; } | bool before_rows(SQL_Error& /*error*/ ) { /* ignore */ return false; } |
| bool add_row(SQL_Error& /*error*/) { /* ignore */ return false; } | bool add_row(SQL_Error& /*error*/) { /* ignore */ return false; } |
| bool add_row_cell(SQL_Error& error, const char* str, size_t length) { | bool add_row_cell(SQL_Error& error, const char* str, size_t) { |
| if(got_cell) { | if(got_cell) { |
| error=SQL_Error("parser.runtime", | error=SQL_Error("result must not contain more then one row"); |
| //statement_string, | |
| "result must not contain more then one row"); | |
| return true; | return true; |
| } | } |
| try { | try { |
| got_cell=true; | got_cell=true; |
| result.append_know_length(str, length, String::L_TAINTED); | result=new String(str, String::L_TAINTED /* no length as 0x00 can be inside */ ); |
| return false; | return false; |
| } catch(...) { | } catch(...) { |
| error=SQL_Error("exception occured in String_sql_event_handlers::add_row_cell"); | error=SQL_Error("exception occurred in String_sql_event_handlers::add_row_cell"); |
| return true; | return true; |
| } | } |
| } | } |
| }; | }; |
| #endif | #endif |
| extern String sql_bind_name; | |
| extern String sql_limit_name; | |
| extern String sql_offset_name; | |
| extern String sql_default_name; | |
| extern String sql_distinct_name; | |
| extern int marshal_binds(HashStringValue& hash, SQL_Driver::Placeholder*& placeholders); | extern int marshal_binds(HashStringValue& hash, SQL_Driver::Placeholder*& placeholders); |
| extern void unmarshal_bind_updates(HashStringValue& hash, int placeholder_count, SQL_Driver::Placeholder* placeholders); | extern void unmarshal_bind_updates(HashStringValue& hash, int placeholder_count, SQL_Driver::Placeholder* placeholders); |
| const String* sql_result_string(Request& r, MethodParams& params, | const String* sql_result_string(Request& r, MethodParams& params, Value*& default_code) { |
| HashStringValue*& options, Value*& default_code) { | |
| Value& statement=params.as_junction(0, "statement must be code"); | Value& statement=params.as_junction(0, "statement must be code"); |
| HashStringValue* bind=0; | HashStringValue* bind=0; |
| ulong limit=0; | ulong limit=SQL_NO_LIMIT; |
| ulong offset=0; | ulong offset=0; |
| default_code=0; | default_code=0; |
| if(params.count()>1) { | if(params.count()>1) |
| Value& voptions=params.as_no_junction(1, "options must be hash, not code"); | if(HashStringValue* options=params.as_hash(1, "sql options")) { |
| if(voptions.is_defined() && !voptions.is_string()) | int valid_options=0; |
| if((options=voptions.get_hash())) { | if(Value* vbind=options->get(sql_bind_name)) { |
| int valid_options=0; | valid_options++; |
| if(Value* vbind=options->get(sql_bind_name)) { | bind=vbind->get_hash(); |
| valid_options++; | } |
| bind=vbind->get_hash(); | if(Value* vlimit=options->get(sql_limit_name)) { |
| } | valid_options++; |
| if(Value* vlimit=options->get(sql_limit_name)) { | limit=(ulong)r.process(*vlimit).as_double(); |
| valid_options++; | } |
| limit=(ulong)r.process_to_value(*vlimit).as_double(); | if(Value* voffset=options->get(sql_offset_name)) { |
| } | valid_options++; |
| if(Value* voffset=options->get(sql_offset_name)) { | offset=(ulong)r.process(*voffset).as_double(); |
| valid_options++; | } |
| offset=(ulong)r.process_to_value(*voffset).as_double(); | if((default_code=options->get(sql_default_name))) { |
| } | valid_options++; |
| if((default_code=options->get(sql_default_name))) { | } |
| valid_options++; | if(valid_options!=options->count()) |
| } | throw Exception(PARSER_RUNTIME, 0, CALLED_WITH_INVALID_OPTION); |
| if(valid_options!=options->count()) | } |
| throw Exception("parser.runtime", | |
| 0, | |
| "called with invalid option"); | |
| } else | |
| throw Exception("parser.runtime", | |
| 0, | |
| "options must be hash"); | |
| } else | |
| options=0; | |
| SQL_Driver::Placeholder* placeholders=0; | SQL_Driver::Placeholder* placeholders=0; |
| uint placeholders_count=0; | uint placeholders_count=0; |
| if(bind) | if(bind) |
| placeholders_count=marshal_binds(*bind, placeholders); | placeholders_count=marshal_binds(*bind, placeholders); |
| Temp_lang temp_lang(r, String::L_SQL); | |
| const String& statement_string=r.process_to_string(statement); | const String& statement_string=r.process_to_string(statement); |
| const char* statement_cstr= | const char* statement_cstr=statement_string.untaint_cstr(String::L_SQL, r.connection()); |
| statement_string.cstr(String::L_UNSPECIFIED, r.connection()); | |
| String_sql_event_handlers handlers(statement_string, statement_cstr); | String_sql_event_handlers handlers; |
| r.connection()->query( | |
| statement_cstr, | r.connection()->query(statement_cstr, placeholders_count, placeholders, offset, limit, handlers, statement_string); |
| placeholders_count, placeholders, | |
| offset, limit, | |
| handlers, | |
| statement_string); | |
| if(bind) | if(bind) |
| unmarshal_bind_updates(*bind, placeholders_count, placeholders); | unmarshal_bind_updates(*bind, placeholders_count, placeholders); |
| Line 501 const String* sql_result_string(Request& | Line 531 const String* sql_result_string(Request& |
| 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] |
| return &handlers.result; | return handlers.result; |
| } | } |
| static void _sql(Request& r, MethodParams& params) { | static void _sql(Request& r, MethodParams& params) { |
| HashStringValue* options; | |
| Value* default_code; | Value* default_code; |
| const String* string=sql_result_string(r, params, options, default_code); | const String* string=sql_result_string(r, params, default_code); |
| if(!string) { | if(!string) { |
| if(default_code) { | if(default_code) { |
| string=&r.process_to_string(*default_code); | string=&r.process_to_string(*default_code); |
| } else | } else |
| throw Exception("parser.runtime", | throw Exception(PARSER_RUNTIME, 0, "produced no result, but no default option specified"); |
| 0, | |
| "produced no result, but no default option specified"); | |
| } | } |
| r.write_assign_lang(*string); | r.write(*string); |
| } | } |
| static void _replace(Request& r, MethodParams& params) { | static void _replace(Request& r, MethodParams& params) { |
| const String& src=GET_SELF(r, VString).string(); | const String& src=GET_SELF(r, VString).string(); |
| Table* table=params.as_no_junction(0, "parameter must not be code").get_table(); | if(params.count()==1) { |
| if(!table) | // ^string.replace[table] |
| throw Exception("parser.runtime", | Table* table=params.as_table(0, "param"); |
| 0, | Dictionary dict(*table); |
| "parameter must be table"); | r.write(src.replace(dict)); |
| } else { | |
| // ^string.replace[from-string;to-string] | |
| Dictionary dict(params.as_string(0, "from must be string"), params.as_string(1, "to must be string")); | |
| r.write(src.replace(dict)); | |
| } | |
| Dictionary dict(*table); | |
| r.write_assign_lang(src.replace(dict)); | |
| } | } |
| static void _save(Request& r, MethodParams& params) { | static void _save(Request& r, MethodParams& params) { |
| const String& file_name=params.as_string(params.count()-1, | bool do_append=false; |
| "file name must be string"); | Charset* asked_charset=0; |
| size_t file_name_index=0; | |
| if(params.count()>1) { | |
| if(HashStringValue* options=params.as_no_junction(1, "second parameter should be string or hash").get_hash()){ | |
| // ^file.save[filespec;$.charset[] $.append(true)] | |
| int valid_options=0; | |
| if(Value* vcharset_name=options->get(PA_CHARSET_NAME)){ | |
| asked_charset=&pa_charsets.get(vcharset_name->as_string()); | |
| valid_options++; | |
| } | |
| if(Value* vappend=options->get(MODE_APPEND)){ | |
| do_append=vappend->as_bool(); | |
| valid_options++; | |
| } | |
| if(valid_options != options->count()) | |
| throw Exception(PARSER_RUNTIME, 0, CALLED_WITH_INVALID_OPTION); | |
| } else { | |
| // ^file.save[append;filespec] | |
| const String& mode=params.as_string(0, "mode must be string"); | |
| if(mode==MODE_APPEND){ | |
| do_append=true; | |
| file_name_index++; | |
| } else | |
| throw Exception(PARSER_RUNTIME, | |
| &mode, | |
| "unknown mode, must be 'append'"); | |
| } | |
| } | |
| const String& file_name=params.as_string(file_name_index, FILE_NAME_MUST_BE_STRING); | |
| const String& src=GET_SELF(r, VString).string(); | const String& src=GET_SELF(r, VString).string(); |
| bool do_append=false; | String::Body sbody=src.cstr_to_string_body_untaint(String::L_AS_IS, r.connection(false), &r.charsets); |
| if(params.count()>1) { | |
| const String& 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 | // write |
| const char* buf=src.cstr(String::L_UNSPECIFIED, r.connection(false/*no error if none*/)); | file_write(r.charsets, r.absolute(file_name), sbody.cstr(), sbody.length(), true, do_append, asked_charset); |
| file_write(r.absolute(file_name), | |
| buf, strlen(buf), true, do_append); | |
| } | } |
| static void _normalize(Request& r, MethodParams&) { | static void _normalize(Request& r, MethodParams&) { |
| const String& src=GET_SELF(r, VString).string(); | const String& src=GET_SELF(r, VString).string(); |
| r.write_assign_lang(src); | r.write(src); |
| } | } |
| static void _trim(Request& r, MethodParams& params) { | static void _trim(Request& r, MethodParams& params) { |
| const String& src=GET_SELF(r, VString).string(); | const String& src=GET_SELF(r, VString).string(); |
| String::Trim_kind kind=String::TRIM_BOTH; | String::Trim_kind kind=String::TRIM_BOTH; |
| size_t params_count=params.count(); | |
| const char* chars=0; | const char* chars=0; |
| if(params.count()>0) { | if(params_count>0) { |
| const String& skind=params.as_string(0, | const String& skind=params.as_string(0, "'where' must be string"); |
| "'where' must be string"); | if(!skind.is_empty()) { |
| if(skind.length()) | if(skind==TRIM_BOTH_OPTION) |
| if(skind==TRIM_START_OPTION) | kind=String::TRIM_BOTH; |
| else if(skind==TRIM_START_OPTION || skind=="start") | |
| kind=String::TRIM_START; | kind=String::TRIM_START; |
| else if(skind==TRIM_END_OPTION) | else if(skind==TRIM_END_OPTION || skind=="end") |
| kind=String::TRIM_END; | kind=String::TRIM_END; |
| else if(skind==TRIM_BOTH_OPTION) | else if(params_count==1) |
| kind=String::TRIM_BOTH; | chars=skind.cstr(); |
| else | else |
| throw Exception("parser.runtime", | throw Exception(PARSER_RUNTIME, &skind, "'kind' must be one of " TRIM_START_OPTION ", " TRIM_BOTH_OPTION ", " TRIM_END_OPTION); |
| &skind, | } |
| "'kind' must be one of "TRIM_START_OPTION", "TRIM_BOTH_OPTION", "TRIM_END_OPTION); | |
| if(params.count()>1) { | if(params_count>1) { |
| const String& schars=params.as_string(1, "'chars' must be string"); | const String& schars=params.as_string(1, "'chars' must be string"); |
| if(schars.length()) | if(!schars.is_empty()) |
| chars=schars.cstr(); | chars=schars.cstr(); |
| } | } |
| } | } |
| r.write_assign_lang(src.trim(kind, chars)); | r.write(src.trim(kind, chars, &r.charsets.source())); |
| } | } |
| static void _append(Request& r, MethodParams& params) { | Base64Options base64_encode_options(Request& r, HashStringValue* options) { |
| // c=a+b | Base64Options result; |
| VString& va=GET_SELF(r, VString); | if(options) { |
| const String& a=va.string(); | int valid_options=0; |
| const String& b=params.as_string(0, "parameter must be string"); | for(HashStringValue::Iterator i(*options); i; i.next()) { |
| String& c=*new String(a); | String::Body key=i.key(); |
| c.append(b, String::L_PASS_APPENDED); | Value* value=i.value(); |
| va.set_string(c); | if(key == "pad") { |
| result.pad=r.process(*value).as_bool(); | |
| valid_options++; | |
| } else if(key == "wrap") { | |
| result.wrap=r.process(*value).as_bool(); | |
| valid_options++; | |
| } else if(key == "url-safe") { | |
| if(r.process(*value).as_bool()) | |
| result.set_url_safe_abc(); | |
| valid_options++; | |
| } | |
| } | |
| if(valid_options != options->count()) | |
| throw Exception(PARSER_RUNTIME, 0, CALLED_WITH_INVALID_OPTION); | |
| } | |
| return result; | |
| } | |
| Base64Options base64_decode_options(Request& r, HashStringValue* options) { | |
| Base64Options result; | |
| if(options) { | |
| int valid_options=0; | |
| for(HashStringValue::Iterator i(*options); i; i.next() ) { | |
| String::Body key=i.key(); | |
| Value* value=i.value(); | |
| if(key == "pad") { | |
| result.pad=r.process(*value).as_bool(); | |
| valid_options++; | |
| } else if(key == "strict") { | |
| result.strict=r.process(*value).as_bool(); | |
| valid_options++; | |
| } else if(key == "url-safe") { | |
| if(r.process(*value).as_bool()) | |
| result.set_url_safe_abc(); | |
| valid_options++; | |
| } | |
| } | |
| if(valid_options != options->count()) | |
| throw Exception(PARSER_RUNTIME, 0, CALLED_WITH_INVALID_OPTION); | |
| } | |
| return result; | |
| } | } |
| static void _base64(Request& r, MethodParams& params) { | static void _base64(Request& r, MethodParams& params) { |
| if(params.count()) { | if(&r.get_self() == string_class) { |
| // decode | // decode: ^string:base64[encoded[;options]] |
| const char* cstr=params.as_string(0, "parameter must be string").cstr(); | const char* cstr=params.count() ? params.as_string(0, PARAMETER_MUST_BE_STRING).cstr() : ""; |
| char* decoded_cstr=0; | Base64Options options = base64_decode_options(r, params.count() > 1 ? params.as_hash(1) : NULL); |
| size_t decoded_size=0; | |
| pa_base64_decode(cstr, strlen(cstr), decoded_cstr, decoded_size); | char* decoded=0; |
| if(decoded_cstr && decoded_size) | size_t length=pa_base64_decode(cstr, strlen(cstr), decoded, options); |
| r.write_assign_lang(*new String(decoded_cstr, decoded_size, true)); | |
| if(decoded && length){ | |
| if(memchr(decoded, 0, length)) | |
| throw Exception(PARSER_RUNTIME, 0, "Invalid \\x00 character found while decoding to string. Decode to file instead."); | |
| fix_line_breaks(decoded, length); | |
| if(length) | |
| r.write(*new String(decoded, String::L_TAINTED)); | |
| } | |
| } else { | } else { |
| // encode | // encode: ^str.base64[options] |
| VString& self=GET_SELF(r, VString); | VString& self=GET_SELF(r, VString); |
| const char* cstr=self.string().cstr(); | const char* cstr=self.string().cstr(); |
| const char* encoded=pa_base64_encode(cstr, strlen(cstr)); | Base64Options options = base64_encode_options(r, params.count() ? params.as_hash(0) : NULL); |
| r.write_assign_lang(*new String(encoded, 0, true/*once ?param=base64(something) was needed*/)); | const char* encoded=pa_base64_encode(cstr, strlen(cstr), options); |
| r.write(*new String(encoded, String::L_TAINTED /*once ?param=base64(something) was needed*/ )); | |
| } | |
| } | |
| static void _idna(Request& r, MethodParams& params) { | |
| if(&r.get_self() == string_class) { | |
| // decode: ^string:idna[encoded] | |
| const char* cstr=params.count() ? params.as_string(0, PARAMETER_MUST_BE_STRING).cstr() : ""; | |
| r.write(*new String(pa_idna_decode(cstr, r.charsets.source()), String::L_TAINTED)); | |
| } else { | |
| // encode: ^str.idna[] | |
| VString& self=GET_SELF(r, VString); | |
| const char* cstr=self.string().cstr(); | |
| r.write(*new String(pa_idna_encode(cstr, r.charsets.source()), String::L_TAINTED)); | |
| } | |
| } | |
| static void _js_escape(Request& r, MethodParams&){ | |
| const String& src=GET_SELF(r, VString).string(); | |
| r.write(src.escape(r.charsets.source())); | |
| } | |
| static void _js_unescape(Request& r, MethodParams& params){ | |
| const String& src=params.as_string(0, PARAMETER_MUST_BE_STRING); | |
| if(const char* result=unescape_chars(src.cstr(), src.length(), &r.charsets.source(), true)) | |
| r.write(*new String(result, String::L_TAINTED)); | |
| } | |
| static void _unescape(Request& r, MethodParams& params){ | |
| const String& mode=params.as_string(0, MODE_MUST_NOT_BE_CODE); | |
| const String& src=params.as_string(1, PARAMETER_MUST_BE_STRING); | |
| Charset* from_charset=&r.charsets.client(); | |
| if(params.count() > 2) | |
| if(HashStringValue* options=params.as_hash(2)) { | |
| int valid_options=0; | |
| if(Value* vcharset_name=options->get(PA_CHARSET_NAME)){ | |
| from_charset=&pa_charsets.get(vcharset_name->as_string()); | |
| valid_options++; | |
| } | |
| if(valid_options!=options->count()) | |
| throw Exception(PARSER_RUNTIME, 0, CALLED_WITH_INVALID_OPTION); | |
| } | |
| bool mode_js; | |
| if(mode==UNESCAPE_MODE_JS){ | |
| mode_js=true; | |
| } else if(mode==UNESCAPE_MODE_URI){ | |
| mode_js=false; | |
| } else { | |
| throw Exception(PARSER_RUNTIME, &mode, "is invalid mode, must be either '" UNESCAPE_MODE_JS "' or '" UNESCAPE_MODE_URI "'"); | |
| } | } |
| const char* unescaped=unescape_chars(src.cstr(), src.length(), from_charset, mode_js); | |
| if(*unescaped){ | |
| const String* result=new String(Charset::transcode(unescaped, *from_charset, r.charsets.source()), String::L_TAINTED); | |
| r.write(*result); | |
| } | |
| } | |
| static void _contains(Request& r, MethodParams& params) { | |
| // empty or whitespace string is hash compatible | |
| GET_SELF(r, VString).get_element(params.as_string(0, "key must be string")); | |
| // ignoring result as it allways null | |
| r.write(VBool::get(false)); | |
| } | } |
| // constructor | // constructor |
| Line 637 MString::MString(): Methoded("string") { | Line 802 MString::MString(): Methoded("string") { |
| // ^void.bool(default) | // ^void.bool(default) |
| add_native_method("bool", Method::CT_DYNAMIC, _bool, 0, 1); | add_native_method("bool", Method::CT_DYNAMIC, _bool, 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); |
| // ^string.left(n) | // ^string.left(n) |
| add_native_method("left", Method::CT_DYNAMIC, _left, 1, 1); | add_native_method("left", Method::CT_DYNAMIC, _left, 1, 1); |
| // ^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) | |
| // ^string.mid(p;n) | // ^string.mid(p;n) |
| add_native_method("mid", Method::CT_DYNAMIC, _mid, 1, 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); | // ^string.pos[substr](n) |
| add_native_method("pos", Method::CT_DYNAMIC, _pos, 1, 2); | |
| // ^string.split[delim] | // ^string.split[delim] |
| // ^string.split[delim][options] | // ^string.split[delim][options] |
| add_native_method("split", Method::CT_DYNAMIC, _split, 1, 2); | // ^string.split[delim][options][column name] |
| // old names for backward compatibility | add_native_method("split", Method::CT_DYNAMIC, _split, 1, 3); |
| // ^string.lsplit[delim] | // old names for backward compatibility |
| add_native_method("lsplit", Method::CT_DYNAMIC, _lsplit, 1, 1); | // ^string.lsplit[delim] |
| // ^string.rsplit[delim] | add_native_method("lsplit", Method::CT_DYNAMIC, _lsplit, 1, 1); |
| add_native_method("rsplit", Method::CT_DYNAMIC, _rsplit, 1, 1); | // ^string.rsplit[delim] |
| add_native_method("rsplit", Method::CT_DYNAMIC, _rsplit, 1, 1); | |
| // ^string.match[regexp][options] | // ^string.match[regexp][options] |
| // ^string.match[regexp][options]{replacement-code} | // ^string.match[regexp][options]{replacement-code} |
| add_native_method("match", Method::CT_DYNAMIC, _match, 1, 3); | // ^string.match[regexp][options]{replacement-code}{code-if-nothing-is-found} |
| add_native_method("match", Method::CT_DYNAMIC, _match, 1, 4); | |
| // ^string.toupper[] | // ^string.upper[] |
| add_native_method("upper", Method::CT_DYNAMIC, _upper, 0, 0); | add_native_method("upper", Method::CT_DYNAMIC, _upper, 0, 0); |
| // ^string.tolower[] | // ^string.lower[] |
| add_native_method("lower", Method::CT_DYNAMIC, _lower, 0, 0); | add_native_method("lower", Method::CT_DYNAMIC, _lower, 0, 0); |
| // ^sql[query] | // ^string:sql{query} |
| // ^sql[query][options hash] | // ^string:sql{query}[options hash] |
| add_native_method("sql", Method::CT_STATIC, _sql, 1, 2); | add_native_method("sql", Method::CT_STATIC, _sql, 1, 2); |
| // ^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, 2); |
| // ^string.save[file] | // ^string.save[append][file] |
| // ^string.save[file] | |
| // ^string.save[file][$.append(true) $.charset[...]] | |
| add_native_method("save", Method::CT_DYNAMIC, _save, 1, 2); | add_native_method("save", Method::CT_DYNAMIC, _save, 1, 2); |
| // ^string.normalize[] | // ^string.normalize[] |
| Line 684 MString::MString(): Methoded("string") { | Line 855 MString::MString(): Methoded("string") { |
| // ^string.trim[[start|both|end][;chars]] | // ^string.trim[[start|both|end][;chars]] |
| add_native_method("trim", Method::CT_DYNAMIC, _trim, 0, 2); | add_native_method("trim", Method::CT_DYNAMIC, _trim, 0, 2); |
| // ^string.append[string] | |
| add_native_method("append", Method::CT_DYNAMIC, _append, 1, 1); | |
| // ^string.base64[] << encode | // ^string.base64[] << encode |
| // ^string:base64[encoded string] << decode | // ^string:base64[encoded string] << decode |
| add_native_method("base64", Method::CT_ANY, _base64, 0, 1); | add_native_method("base64", Method::CT_ANY, _base64, 0, 2); |
| } | |
| // ^string.idna[] << encode | |
| // ^string:idna[encoded string] << decode | |
| add_native_method("idna", Method::CT_ANY, _idna, 0, 1); | |
| // ^string.js-escape[] | |
| add_native_method("js-escape", Method::CT_DYNAMIC, _js_escape, 0, 0); | |
| // ^string:js-unescape[escaped%uXXXXstring] | |
| add_native_method("js-unescape", Method::CT_STATIC, _js_unescape, 1, 1); | |
| // ^string:unescape[js|uri;escaped;$.charset[...]] | |
| add_native_method("unescape", Method::CT_STATIC, _unescape, 2, 3); | |
| // ^string.contains[key] for hash compatibility | |
| add_native_method("contains", Method::CT_DYNAMIC, _contains, 1, 1); | |
| } |