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| version 1.113, 2002/08/01 11:26:44 | version 1.125.2.13, 2003/03/05 11:57:36 |
|---|---|
| Line 1 | Line 1 |
| /** @file | /** @file |
| Parser: @b string parser class. | Parser: @b string parser class. |
| Copyright (c) 2001, 2002 ArtLebedev Group (http://www.artlebedev.com) | Copyright (c) 2001-2003 ArtLebedev Group (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* IDENT_STRING_C="$Id$"; | static const char* IDENT_STRING_C="$Date$"; |
| #include "classes.h" | #include "classes.h" |
| #include "pa_vmethod_frame.h" | |
| #include "pa_request.h" | #include "pa_request.h" |
| #include "pa_vdouble.h" | #include "pa_vdouble.h" |
| #include "pa_vint.h" | #include "pa_vint.h" |
| Line 16 static const char* IDENT_STRING_C="$Id$" | Line 18 static const char* IDENT_STRING_C="$Id$" |
| #include "pa_string.h" | #include "pa_string.h" |
| #include "pa_sql_connection.h" | #include "pa_sql_connection.h" |
| #include "pa_dictionary.h" | #include "pa_dictionary.h" |
| #include "pa_vmethod_frame.h" | |
| // class | // class |
| class MString : public Methoded { | class MString: public Methoded { |
| public: | public: |
| MString(Pool& pool); | MString(); |
| public: // Methoded | public: // Methoded |
| bool used_directly() { return true; } | 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 | // methods |
| static void _length(Request& r, const String& method_name, MethodParams *) { | static void _length(Request& r, StringPtr method_name, MethodParams* ) { |
| Pool& pool=r.pool(); | Pool& pool=r.pool(); |
| double result=r.self->get_string()->size(); | double result=GET_SELF(r, VString).string()->size(); |
| r.write_no_lang(*new(pool) VDouble(pool, result)); | 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(); | Pool& pool=r.pool(); |
| StringPtr self_string=r.get_self()->get_string(&pool); | |
| int converted; | int converted; |
| Value *default_code=params->size()>0? | ValuePtr default_code=params->count()>0?params->as_junction(0, "default must be int") |
| default_code=¶ms->as_junction(0, "default must be int"):0; // (default) | :ValuePtr(0); // (default) |
| try { | try { |
| converted=r.self->as_int(); | 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 | } catch(...) { // convert problem |
| if(!default_code) // we have a problem when no default | if(!default_code) // we have a problem when no default |
| /*re*/throw; | rethrow; |
| else | else |
| converted=r.process_to_value(*default_code).as_int(); | converted=r.process_to_value(default_code)->as_int(); |
| } | } |
| r.write_no_lang(*new(pool) VInt(pool, converted)); | 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(); | Pool& pool=r.pool(); |
| StringPtr self_string=GET_SELF(r, VString).string(); | |
| double converted; | double converted; |
| Value *default_code=params->size()>0? | ValuePtr default_code=params->count()>0?params->as_junction(0, "default must be double") |
| default_code=¶ms->as_junction(0, "default must be double"):0; // (default) | :ValuePtr(0); // (default) |
| try { | try { |
| converted=r.self->as_double(); | 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 | } catch(...) { // convert problem |
| if(!default_code) // we have a problem when no default | if(!default_code) // we have a problem when no default |
| /*re*/throw; | rethrow; |
| else | else |
| converted=r.process_to_value(*default_code).as_double(); | converted=r.process_to_value(default_code)->as_double(); |
| } | } |
| r.write_no_lang(*new(pool) VDouble(pool, converted)); | 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(); | Pool& pool=r.pool(); |
| Value& fmt_maybe_code=params->get(0); | ValuePtr fmt_maybe_code=(*params)[0]; |
| // 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); | StringPtr fmt=r.process_to_string(fmt_maybe_code); |
| char *buf=format(pool, r.self->as_double(), fmt.cstr()); | const char *buf=format(pool, r.get_self()->as_double(), fmt->cstr()); |
| String result(pool); | String result; |
| result.APPEND_CLEAN(buf, 0, | result.APPEND_CLEAN(buf, 0, |
| method_name.origin().file, | method_name->origin().file, |
| method_name.origin().line); | method_name->origin().line); |
| r.write_no_lang(result); | r.write_no_lang(result); |
| } | } |
| static void _left(Request& r, const String&, MethodParams *params) { | static void _left(Request& r, StringPtr /*method_name*/, MethodParams* params) { |
| Pool& pool=r.pool(); | |
| size_t n=(size_t)params->as_int(0, "n must be int", r); | size_t n=(size_t)params->as_int(0, "n must be int", r); |
| const String& string=static_cast<VString *>(r.self)->string(); | StringPtr string=GET_SELF(r, VString).string(); |
| r.write_assign_lang(string.mid(0, n)); | r.write_assign_lang(*string->mid(0, n)); |
| } | } |
| static void _right(Request& r, const String&, MethodParams *params) { | static void _right(Request& r, StringPtr /*method_name*/, MethodParams* params) { |
| Pool& pool=r.pool(); | |
| size_t n=(size_t)params->as_int(0, "n must be int", r); | size_t n=(size_t)params->as_int(0, "n must be int", r); |
| const String& string=static_cast<VString *>(r.self)->string(); | StringPtr string=GET_SELF(r, VString).string(); |
| r.write_assign_lang(string.mid(string.size()-n, string.size())); | r.write_assign_lang(*string->mid(string->size()-n, string->size())); |
| } | } |
| static void _mid(Request& r, const String&, MethodParams *params) { | static void _mid(Request& r, StringPtr /*method_name*/, MethodParams* params) { |
| Pool& pool=r.pool(); | StringPtr string=GET_SELF(r, VString).string(); |
| const String& string=*r.self->get_string(); | |
| size_t p=(size_t)params->as_int(0, "p must be int", r); | size_t p=(size_t)max(0, params->as_int(0, "p must be int", r)); |
| size_t n=params->size()>1? | size_t n=params->count()>1? |
| (size_t)params->as_int(1, "n must be int", r):string.size(); | (size_t)max(0, params->as_int(1, "n must be int", r)):string->size(); |
| r.write_assign_lang(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(); | Pool& pool=r.pool(); |
| ValuePtr 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=static_cast<VString *>(r.self)->string(); | StringPtr string=GET_SELF(r, VString).string(); |
| r.write_assign_lang(*new(pool) VInt(pool, string.pos(substr.as_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, | static void split_list(Request& r, StringPtr method_name, |
| const String& string, | MethodParams* params, int paramIndex, |
| Array& result) { | String& string, |
| Value& delim_value=params->as_no_junction(0, "delimiter must not be code"); | 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; | |
| } | |
| } | |
| string.split(result, 0, delim_value.as_string()); | return result; |
| } | } |
| static void _lsplit(Request& r, const String& method_name, MethodParams *params) { | static TablePtr split_vertical(Request& r, StringPtr string, ArrayString& pieces, bool right) { |
| Pool& pool=r.pool(); | Pool& pool=r.pool(); |
| const String& string=*r.self->get_string(); | |
| Array pieces(pool); | Table::columns_type columns(new ArrayString); |
| split_list(r, method_name, params, string, pieces); | *columns+=StringPtr(new String("piece")); |
| Array& columns=*new(pool) Array(pool); | TablePtr table(new Table(string, columns, pieces.count())); |
| columns+=new(pool) String(pool, "piece"); | if(right) { // right |
| for(int i=pieces.count(); --i>=0; ) { | |
| Table& table=*new(pool) Table(pool, &string, | Table::element_type row(new ArrayString); |
| &columns, pieces.size()); | *row+=pieces[i]; |
| Array_iter i(pieces); | *table+=row; |
| while(i.has_next()) { | } |
| Array& row=*new(pool) Array(pool); | } else { // left |
| row+=i.next(); | Array_iterator<StringPtr> i(pieces); |
| table+=&row; | while(i.has_next()) { |
| Table::element_type row(new ArrayString); | |
| *row+=i.next(); | |
| *table+=row; | |
| } | |
| } | } |
| r.write_no_lang(*new(pool) VTable(pool, &table)); | |
| return table; | |
| } | } |
| static void _rsplit(Request& r, const String& method_name, MethodParams *params) { | static TablePtr split_horizontal(Request& r, StringPtr string, ArrayString& pieces, bool right) { |
| Pool& pool=r.pool(); | Pool& pool=r.pool(); |
| const String& string=*r.self->get_string(); | |
| Array pieces(pool); | TablePtr table(new Table(string, Table::columns_type(0) /* nameless */)); |
| split_list(r, method_name, params, string, pieces); | 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<StringPtr> i(pieces); | |
| while(i.has_next()) { | |
| *row+=i.next(); | |
| } | |
| } | |
| *table+=row; | |
| return table; | |
| } | |
| Array& columns=*new(pool) Array(pool); | static void split_with_options(Request& r, StringPtr method_name, MethodParams* params, |
| columns+=new(pool) String(pool, "piece"); | int bits) { |
| Pool& pool=r.pool(); | |
| StringPtr string=GET_SELF(r, VString).string(); | |
| Table& table=*new(pool) Table(pool, &string, | ArrayString pieces; |
| &columns, pieces.size()); | split_list(r, method_name, params, 0, *string, pieces); |
| for(int i=pieces.size(); --i>=0; ) { | |
| Array& row=*new(pool) Array(pool); | if(!bits) { |
| row+=pieces.get(i); | StringPtr options(0); |
| table+=&row; | 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, int, int, void *) { | static void search_action(TablePtr table, Table::element_type row, int, int, int, int, void *) { |
| if(row) | if(row) |
| table+=row; | *table+=row; |
| } | } |
| #ifndef DOXYGEN | #ifndef DOXYGEN |
| struct Replace_action_info { | struct Replace_action_info { |
| Request *request; const String *origin; | Request *request; |
| const String *src; String *dest; | StringPtr origin; |
| VTable *vtable; | StringPtr src; String* dest; |
| Value *replacement_code; | VTablePtr vtable; |
| ValuePtr 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, Array *row, | static void replace_action(TablePtr table, ArrayStringPtr row, |
| int prestart, int prefinish, | int prestart, int prefinish, |
| int poststart, int postfinish, | int poststart, int postfinish, |
| void *info) { | void *info) { |
| Line 195 static void replace_action(Table& table, | Line 288 static void replace_action(Table& table, |
| if(prestart!=prefinish) | if(prestart!=prefinish) |
| *ai.dest << ai.src->mid(prestart, prefinish);//ai.dest->APPEND_CONST("-"); | *ai.dest << ai.src->mid(prestart, prefinish);//ai.dest->APPEND_CONST("-"); |
| // store found parts in one-record VTable | // store found parts in one-record VTable |
| if(table.size()) // middle | if(table->count()) // middle |
| table.put(0, row); | table->put(0, row); |
| else // begin | else // begin |
| table+=row; | *table+=row; |
| { // execute 'replacement_code' in 'table' context | { // execute 'replacement_code' in 'table' context |
| ai.vtable->set_table(table); | ai.vtable->set_table(table); |
| *ai.dest << ai.request->process_to_string(*ai.replacement_code); | *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 | /// @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(); | Pool& pool=r.pool(); |
| Value& regexp=params->as_no_junction(0, "regexp must not be code"); | ValuePtr regexp=params->as_no_junction(0, "regexp must not be code"); |
| const String *options= | StringPtr options= |
| params->size()>1? | params->count()>1? |
| ¶ms->as_no_junction(1, "options must not be code").as_string():0; | params->as_no_junction(1, "options must not be code")->as_string(&pool):StringPtr(0); |
| Temp_lang temp_lang(r, String::UL_PASS_APPENDED); | Temp_lang temp_lang(r, String::UL_PASS_APPENDED); |
| Table *table; | StringPtr src=GET_SELF(r, VString).string(); |
| if(params->size()<3) { // search | if(params->count()<3) { // search |
| const String& src=static_cast<VString *>(r.self)->string(); | |
| bool was_global; | bool was_global; |
| bool matched=src.match( | TablePtr table=src->match(r.charsets.source(), |
| &method_name, | method_name, |
| regexp.as_string(), options, | *regexp->as_string(&pool), options, |
| &table, | |
| search_action, 0, | search_action, 0, |
| &was_global); | &was_global); |
| Value *result; | ValuePtr result; |
| // matched | // matched |
| // not (just matched[3=pre/match/post], no substrings) or Global search | // not (just matched[3=pre/match/post], no substrings) or Global search |
| if(table->columns()->size()>3 || was_global) | if(was_global || (table && table->columns()->count()>3)) |
| result=new(pool) VTable(pool, table/*TODO: clone this when table would be stacked!*/); // table of pre/match/post+substrings | result=ValuePtr(new VTable(table/*TODO: clone this when table would be stacked!*/)); // table of pre/match/post+substrings |
| else | else |
| result=new(pool) VBool(pool, matched); | result=ValuePtr(new VBool(table)); |
| r.write_assign_lang(*result); | r.write_assign_lang(result); |
| } else { // replace | } else { // replace |
| const String& src=*r.self->get_string(); | ValuePtr replacement_code=params->as_junction(2, "replacement param must be code"); |
| Value& replacement_code=params->as_junction(2, "replacement param must be code"); | |
| String& result=*new(pool) String(pool); | String result; |
| VTable vtable(pool); | VTablePtr vtable(new VTable); |
| Replace_action_info replace_action_info={ | Replace_action_info info; |
| &r, &method_name, | info.request=&r; |
| &src, &result, | info.origin=method_name; |
| &vtable, | info.src=src; |
| &replacement_code | info.dest=&result; |
| }; | info.vtable=vtable; |
| info.replacement_code=replacement_code; | |
| Temp_value_element temp_match_var( | Temp_value_element temp_match_var( |
| *replacement_code.get_junction()->root, | *replacement_code->get_junction()->method_frame, |
| *match_var_name, &vtable); | match_var_name, vtable); |
| src.match( | src->match(r.charsets.source(), |
| &method_name, | method_name, |
| r.process_to_string(regexp), options, | *r.process_to_string(regexp), options, |
| &table, | replace_action, &info); |
| replace_action, &replace_action_info); | |
| r.write_assign_lang(result); | 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) { | String::Change_case_kind kind) { |
| Pool& pool=r.pool(); | Pool& pool=r.pool(); |
| const String& src=static_cast<VString *>(r.self)->string(); | StringPtr src=GET_SELF(r, VString).string(); |
| r.write_assign_lang(src.change_case(pool, 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); | 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); | change_case(r, method_name, params, String::CC_LOWER); |
| } | } |
| #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 { |
| //Pool& pool; | |
| StringPtr statement_string; const char* statement_cstr; | |
| bool got_column; | |
| public: | public: |
| String_sql_event_handlers(Pool& apool, | bool got_cell; |
| const String& astatement_string, const char *astatement_cstr) : | StringPtr result; |
| pool(apool), | public: |
| String_sql_event_handlers(//Pool& apool, | |
| StringPtr astatement_string, const char* astatement_cstr): | |
| //pool(apool), | |
| statement_string(astatement_string), | statement_string(astatement_string), |
| statement_cstr(astatement_cstr), | statement_cstr(astatement_cstr), |
| got_column(false), got_cell(false) { | result(new String) {} |
| result=new(pool) String(pool); | |
| } | |
| void add_column(void *ptr, size_t size) { | bool add_column(SQL_Error& error, void *ptr, size_t size) { |
| if(got_column) | if(got_column) { |
| throw Exception("parser.runtime", | error=SQL_Error("parser.runtime", |
| &statement_string, | //statement_string, |
| "result must contain exactly one column"); | "result must contain exactly one column"); |
| return true; | |
| } | |
| got_column=true; | got_column=true; |
| return false; | |
| } | } |
| void before_rows() { /* ignore */ } | bool before_rows(SQL_Error& /*error*/ ) { /* ignore */ return false; } |
| void add_row() { /* ignore */ } | bool add_row(SQL_Error& /*error*/) { /* ignore */ return false; } |
| void add_row_cell(void *ptr, size_t size) { | bool add_row_cell(SQL_Error& error, void *ptr, size_t size) { |
| if(got_cell) | if(got_cell) { |
| throw Exception("parser.runtime", | error=SQL_Error("parser.runtime", |
| &statement_string, | //statement_string, |
| "result must not contain more then one row"); | "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 | #endif |
| const String* sql_result_string(Request& r, const String& method_name, MethodParams *params, | extern StringPtr sql_limit_name; |
| Hash *& options, Value *& default_code) { | 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(); | Pool& pool=r.pool(); |
| Value& statement=params->as_junction(0, "statement must be code"); | ValuePtr statement=params->as_junction(0, "statement must be code"); |
| ulong limit=0; | ulong limit=0; |
| ulong offset=0; | ulong offset=0; |
| default_code=0; | default_code=ValuePtr(0); |
| if(params->size()>1) { | if(params->count()>1) { |
| Value& voptions=params->as_no_junction(1, "options must be hash, not code"); | ValuePtr voptions=params->as_no_junction(1, "options must be hash, not code"); |
| if(voptions.is_defined()) | if(!voptions->is_string()) |
| if(options=voptions.get_hash(&method_name)) { | if(options=voptions->get_hash(method_name)) { |
| if(Value *vlimit=(Value *)options->get(*sql_limit_name)) | if(ValuePtr vlimit=options->get(sql_limit_name)) |
| limit=(ulong)r.process_to_value(*vlimit).as_double(); | limit=(ulong)r.process_to_value(vlimit)->as_double(); |
| if(Value *voffset=(Value *)options->get(*sql_offset_name)) | if(ValuePtr voffset=options->get(sql_offset_name)) |
| offset=(ulong)r.process_to_value(*voffset).as_double(); | offset=(ulong)r.process_to_value(voffset)->as_double(); |
| if(default_code=(Value *)options->get(*sql_default_name)) { | if(default_code=options->get(sql_default_name)) { |
| if(Junction *default_junction=default_code->get_junction()) | if(JunctionPtr default_junction=default_code->get_junction()) |
| default_junction->change_context(statement.get_junction()); | ;//default_junction->change_context(statement.get_junction()); |
| else | else |
| throw Exception("parser.runtime", | throw Exception("parser.runtime", |
| &method_name, | method_name, |
| "default option must be code"); | "default option must be code"); |
| } | } |
| } else | } else |
| throw Exception("parser.runtime", | throw Exception("parser.runtime", |
| &method_name, | method_name, |
| "options must be hash"); | "options must be hash"); |
| } else | } else |
| options=0; | options=0; |
| Temp_lang temp_lang(r, String::UL_SQL); | Temp_lang temp_lang(r, String::UL_SQL); |
| const String& statement_string=r.process_to_string(statement); | StringPtr statement_string=r.process_to_string(statement); |
| const char *statement_cstr= | const char* statement_cstr= |
| statement_string.cstr(String::UL_UNSPECIFIED, r.connection(&method_name)); | statement_string->cstr(pool, String::UL_UNSPECIFIED, r.connection(method_name)); |
| String_sql_event_handlers handlers(pool, statement_string, statement_cstr); | String_sql_event_handlers handlers(statement_string, statement_cstr); |
| try { | r.connection(method_name)->query( |
| r.connection(&method_name)->query( | statement_cstr, offset, limit, |
| statement_cstr, offset, limit, | handlers, |
| handlers); | statement_string); |
| } catch(const Exception& e) { // query problem | |
| // give more specific source [were url] | |
| throw Exception("sql.execute", | |
| &statement_string, | |
| "%s", e.comment()); | |
| } | |
| if(!handlers.got_cell) | 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; | 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(); | Pool& pool=r.pool(); |
| Hash *options; | HashStringValue* options; |
| Value *default_code; | ValuePtr default_code; |
| const String *string=sql_result_string(r, method_name, params, options, default_code); | StringPtr string=sql_result_string(r, method_name, params, options, 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); |
| if(!string) | if(!string) |
| string=new(pool) String(pool); | string=StringPtr(new String); |
| } else | } else |
| throw Exception("parser.runtime", | throw Exception("parser.runtime", |
| &method_name, | method_name, |
| "produced no result, but no default option specified"); | "produced no result, but no default option specified"); |
| } | } |
| r.write_assign_lang(*string); | 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(); | Pool& pool=r.pool(); |
| const String& src=*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) | if(!table) |
| throw Exception("parser.runtime", | throw Exception("parser.runtime", |
| &method_name, | method_name, |
| "parameter must be table"); | "parameter must be table"); |
| Dictionary dict(*table); | TablePtr tp(table); |
| r.write_assign_lang(src.replace(pool, dict)); | 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, const String& method_name, MethodParams *params) { | static void _save(Request& r, StringPtr method_name, MethodParams* params) { |
| const String& file_name=params->as_string(params->size()-1, | StringPtr file_name=params->as_string(params->count()-1, |
| "file name must be string"); | "file name must be string"); |
| const String& src=static_cast<VString *>(r.self)->string(); | StringPtr src=GET_SELF(r, VString).string(); |
| bool do_append=false; | bool do_append=false; |
| if(params->size()>1) { | if(params->count()>1) { |
| const String& mode=params->as_string(0, "mode must be string"); | StringPtr mode=params->as_string(0, "mode must be string"); |
| if(mode=="append") | if(*mode=="append") |
| do_append=true; | do_append=true; |
| else | else |
| throw Exception("parser.runtime", | throw Exception("parser.runtime", |
| &mode, | mode, |
| "unknown mode, must be 'append'"); | "unknown mode, must be 'append'"); |
| } | } |
| // write | // write |
| const char *buf=src.cstr(String::UL_UNSPECIFIED); | CharPtr buf=src->cstr(String::UL_UNSPECIFIED, r.connection(StringPtr(0)/*no error if none*/)); |
| file_write(r.absolute(file_name), | file_write(r.absolute(file_name), |
| buf, strlen(buf), true, do_append); | buf, strlen(buf), true, do_append); |
| } | } |
| static void _normalize(Request& r, const String& method_name, MethodParams * /*params*/) { | static void _normalize(Request& r, StringPtr method_name, MethodParams* /*params*/) { |
| r.write_assign_lang(r.self->get_string()->join_chains(r.pool(), 0/*cstr*/)); | StringPtr src=GET_SELF(r, VString).string(); |
| r.write_assign_lang(*src->join_chains(r.pool())); | |
| } | } |
| // constructor | // constructor |
| MString::MString(Pool& apool) : Methoded(apool, "string") { | MString::MString(): Methoded("string") { |
| // ^string.length[] | // ^string.length[] |
| add_native_method("length", Method::CT_DYNAMIC, _length, 0, 0); | add_native_method("length", Method::CT_DYNAMIC, _length, 0, 0); |
| Line 457 MString::MString(Pool& apool) : Methoded | Line 553 MString::MString(Pool& apool) : Methoded |
| // ^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); |
| // ^string.lsplit[delim] | // ^string.split[delim] |
| add_native_method("lsplit", Method::CT_DYNAMIC, _lsplit, 1, 1); | // ^string.split[delim][options] |
| // ^string.rsplit[delim] | add_native_method("split", Method::CT_DYNAMIC, _split, 1, 2); |
| add_native_method("rsplit", Method::CT_DYNAMIC, _rsplit, 1, 1); | // 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] |
| // ^string.match[regexp][options]{replacement-code} | // ^string.match[regexp][options]{replacement-code} |
| add_native_method("match", Method::CT_DYNAMIC, _match, 1, 3); | add_native_method("match", Method::CT_DYNAMIC, _match, 1, 3); |
| Line 484 MString::MString(Pool& apool) : Methoded | Line 584 MString::MString(Pool& apool) : Methoded |
| // ^string.normalize[] | // ^string.normalize[] |
| add_native_method("normalize", Method::CT_DYNAMIC, _normalize, 0, 0); | add_native_method("normalize", Method::CT_DYNAMIC, _normalize, 0, 0); |
| } | } |
| // global variable | |
| Methoded *string_class; | |
| // creator | |
| Methoded *MString_create(Pool& pool) { | |
| return string_class=new(pool) MString(pool); | |
| } |