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| version 1.127.2.14, 2003/02/20 16:09:00 | version 1.127.2.22.2.33, 2003/06/26 11:51:30 |
|---|---|
| Line 16 static const char* IDENT_OP_C="$Date$"; | Line 16 static const char* IDENT_OP_C="$Date$"; |
| #include "pa_sql_connection.h" | #include "pa_sql_connection.h" |
| #include "pa_vdate.h" | #include "pa_vdate.h" |
| #include "pa_vmethod_frame.h" | #include "pa_vmethod_frame.h" |
| #include "pa_vclass.h" | |
| // limits | // limits |
| Line 37 public: | Line 38 public: |
| #define SWITCH_DATA_NAME "SWITCH-DATA" | #define SWITCH_DATA_NAME "SWITCH-DATA" |
| #define CACHE_DATA_NAME "CACHE-DATA" | #define CACHE_DATA_NAME "CACHE-DATA" |
| #define EXCEPTION_VAR_NAME "exception" | #define EXCEPTION_VAR_NAME "exception" |
| #define EXCEPTION_TYPE_PART_NAME "type" | |
| #define EXCEPTION_SOURCE_PART_NAME "source" | |
| #define EXCEPTION_COMMENT_PART_NAME "comment" | |
| #define EXCEPTION_HANDLED_PART_NAME "handled" | |
| // statics | // statics |
| //^switch ^case | //^switch ^case |
| static StringPtr switch_data_name(new String(SWITCH_DATA_NAME)); | static const String switch_data_name(SWITCH_DATA_NAME); |
| //^cache | //^cache |
| static StringPtr cache_data_name(new String(CACHE_DATA_NAME)); | static const String cache_data_name(CACHE_DATA_NAME); |
| static StringPtr exception_var_name(new String(EXCEPTION_VAR_NAME)); | |
| static StringPtr exception_type_part_name(new String(EXCEPTION_TYPE_PART_NAME)); | |
| static StringPtr exception_source_part_name(new String(EXCEPTION_SOURCE_PART_NAME)); | |
| static StringPtr exception_comment_part_name(new String(EXCEPTION_COMMENT_PART_NAME)); | |
| static StringPtr exception_handled_part_name(new String(EXCEPTION_HANDLED_PART_NAME)); | |
| static const String exception_var_name(EXCEPTION_VAR_NAME); | |
| // helpers | // helpers |
| class Untaint_lang_name2enum: public Hash<StringPtr, int> { | class Untaint_lang_name2enum: public Hash<const StringBody, String::Language> { |
| public: | public: |
| Untaint_lang_name2enum() { | Untaint_lang_name2enum() { |
| #define ULN(name, LANG) \ | #define ULN(name, LANG) \ |
| put(StringPtr(new String(name)), (value_type)String::UL_##LANG); | put(StringBody(name), (value_type)(String::L_##LANG)); |
| ULN("as-is", AS_IS); | ULN("as-is", AS_IS); |
| ULN("optimized-as-is", AS_IS|String::UL_OPTIMIZE_BIT); | ULN("optimized-as-is", AS_IS|String::L_OPTIMIZE_BIT); |
| ULN("file-spec", FILE_SPEC); | ULN("file-spec", FILE_SPEC); |
| ULN("http-header", HTTP_HEADER); | ULN("http-header", HTTP_HEADER); |
| ULN("mail-header", MAIL_HEADER); | ULN("mail-header", MAIL_HEADER); |
| Line 73 public: | Line 65 public: |
| ULN("sql", SQL); | ULN("sql", SQL); |
| ULN("js", JS); | ULN("js", JS); |
| ULN("xml", XML); | ULN("xml", XML); |
| ULN("optimized-xml", XML|String::UL_OPTIMIZE_BIT); | ULN("optimized-xml", XML|String::L_OPTIMIZE_BIT); |
| ULN("html", HTML); | ULN("html", HTML); |
| ULN("optimized-html", HTML|String::UL_OPTIMIZE_BIT); | ULN("optimized-html", HTML|String::L_OPTIMIZE_BIT); |
| #undef ULN | #undef ULN |
| } | } |
| } untaint_lang_name2enum; | } untaint_lang_name2enum; |
| // methods | // methods |
| static void _if(Request& r, StringPtr /*method_name*/, MethodParams* params) { | static void _if(Request& r, MethodParams& params) { |
| ValuePtr condition_code=params->as_junction(0, "condition must be expression"); | Value& condition_code=params.as_junction(0, "condition must be expression"); |
| bool condition=r.process_to_value(condition_code, | bool condition=r.process_to_value(condition_code, |
| /*0/*no name* /,*/ | /*0/*no name* /,*/ |
| false/*don't intercept string*/)->as_bool(); | false/*don't intercept string*/).as_bool(); |
| if(condition) | if(condition) |
| r.write_pass_lang(r.process(params->as_junction(1, "'then' parameter must be code"))); | r.write_pass_lang(r.process(params.as_junction(1, "'then' parameter must be code"))); |
| else if(params->count()>2) | else if(params.count()>2) |
| r.write_pass_lang(r.process(params->as_junction(2, "'else' parameter must be code"))); | r.write_pass_lang(r.process(params.as_junction(2, "'else' parameter must be code"))); |
| } | } |
| static void _untaint(Request& r, StringPtr method_name, MethodParams* params) { | static void _untaint(Request& r, MethodParams& params) { |
| Pool& pool=r.pool(); | |
| uchar lang; | String::Language lang; |
| if(params->count()==1) | if(params.count()==1) |
| lang=String::UL_AS_IS; // mark as simply 'tainted'. useful in html from sql | lang=String::L_AS_IS; // mark as simply 'tainted'. useful in html from sql |
| else { | else { |
| StringPtr lang_name=params->as_string(0, "lang must be string"); | const String& lang_name=params.as_string(0, "lang must be string"); |
| lang=untaint_lang_name2enum.get(lang_name); | lang=untaint_lang_name2enum.get(lang_name); |
| if(!lang) | if(!lang) |
| throw Exception(0, | throw Exception(0, |
| lang_name, | &lang_name, |
| "invalid taint language"); | "invalid taint language"); |
| } | } |
| { | { |
| ValuePtr vbody=params->as_junction(params->count()-1, "body must be code"); | Value& vbody=params.as_junction(params.count()-1, "body must be code"); |
| Temp_lang temp_lang(r, lang); // set temporarily specified ^untaint[language; | Temp_lang temp_lang(r, lang); // set temporarily specified ^untaint[language; |
| r.write_pass_lang(r.process(vbody)); // process marking tainted with that lang | r.write_pass_lang(r.process(vbody)); // process marking tainted with that lang |
| } | } |
| } | } |
| static void _taint(Request& r, StringPtr /*method_name*/, MethodParams* params) { | static void _taint(Request& r, MethodParams& params) { |
| Pool& pool=r.pool(); | String::Language lang; |
| if(params.count()==1) | |
| uchar lang; | lang=String::L_TAINTED; // mark as simply 'tainted'. useful in table:set |
| if(params->count()==1) | |
| lang=String::UL_TAINTED; // mark as simply 'tainted'. useful in table:set | |
| else { | else { |
| StringPtr lang_name=params->as_string(0, "lang must be string"); | const String& lang_name=params.as_string(0, "lang must be string"); |
| lang=untaint_lang_name2enum.get(lang_name); | lang=untaint_lang_name2enum.get(lang_name); |
| if(!lang) | if(!lang) |
| throw Exception(0, | throw Exception(0, |
| lang_name, | &lang_name, |
| "invalid taint language"); | "invalid taint language"); |
| } | } |
| { | { |
| ValuePtr vbody=params->as_no_junction(params->count()-1, "body must not be code"); | Value& vbody=params.as_no_junction(params.count()-1, "body must not be code"); |
| String result; | String result; |
| result.append( | result.append( |
| *vbody->as_string(&pool), // process marking tainted with that lang | vbody.as_string(), // process marking tainted with that lang |
| lang, true); // force result language to specified | lang, true); // force result language to specified |
| r.write_pass_lang(result); | r.write_pass_lang(result); |
| } | } |
| } | } |
| static void _process(Request& r, StringPtr method_name, MethodParams* params) { | static void _process(Request& r, MethodParams& params) { |
| Pool& pool=r.pool(); | Method* main_method; |
| MethodPtr main_method; | |
| ValuePtr target_self=params->count()>1? | |
| params->as_no_junction(0, "target must not be code") | |
| :ValuePtr(&r.get_method_frame()->caller()->self()); | |
| { | |
| ValuePtr vjunction=params->as_junction(params->count()-1, "body must be code"); | |
| size_t index=0; | |
| Value* target_self; | |
| Value& maybe_target_self=params[index]; | |
| if(maybe_target_self.get_string() || maybe_target_self.get_junction()) | |
| target_self=&r.get_method_frame()->caller()->self(); | |
| else { | |
| target_self=&maybe_target_self; index++; | |
| } | |
| { | |
| VStateless_class *target_class=target_self->get_last_derived_class(); | VStateless_class *target_class=target_self->get_last_derived_class(); |
| if(!target_class) | if(!target_class) |
| throw Exception("parser.runtime", | throw Exception("parser.runtime", |
| method_name, | 0, |
| "no target class"); | "no target class"); |
| // evaluate source to process | |
| StringPtr source=r.process_to_string(vjunction); | |
| // temporary remove language change | // temporary remove language change |
| Temp_lang temp_lang(r, String::UL_PASS_APPENDED); | Temp_lang temp_lang(r, String::L_PASS_APPENDED); |
| // temporary zero @main so to maybe-replace it in processed code | // temporary zero @main so to maybe-replace it in processed code |
| Temp_method temp_method_main(*target_class, main_method_name, MethodPtr(0)); | Temp_method temp_method_main(*target_class, main_method_name, 0); |
| // temporary zero @auto so it wouldn't be auto-called in Request::use_buf | // temporary zero @auto so it wouldn't be auto-called in Request::use_buf |
| Temp_method temp_method_auto(*target_class, auto_method_name, MethodPtr(0)); | Temp_method temp_method_auto(*target_class, auto_method_name, 0); |
| // calculate pseudo file name of processed chars | size_t main_alias_index=index+1; |
| // would be something like "/some/file(4) process" | const String* main_alias=0; |
| char local_place[MAX_STRING]; | if(main_alias_index<params.count()) |
| #ifndef NO_STRING_ORIGIN | main_alias=¶ms.as_string(main_alias_index, "main alias must be string"); |
| const String_fragment::Origin& source_origin=source->origin(); | |
| const String_fragment::Origin& method_origin=method_name->origin(); | if(const String* file_name=params[index].get_string()) { // ^process...[file] |
| size_t place_size; | r.use_file(*target_class, r.absolute(*file_name), main_alias, true/*ignore_class_path*/); |
| if(source_origin.file==method_origin.file) | } else { // process...{string} |
| place_size=snprintf(local_place, MAX_STRING, "%s(%d) %s", // same file | Value& vjunction=params.as_junction(index, "body must be code"); |
| source_origin.file?source_origin.file:"unknown_file", 1+source_origin.line, | // evaluate source to process |
| method_name->cstr().get())+1; | const String& source=r.process_to_string(vjunction); |
| else // different files ^process{external__file_text__or__sql} | r.use_buf(*target_class, |
| place_size=snprintf(local_place, MAX_STRING, "%s", | source.cstr(String::L_UNSPECIFIED, r.connection(false)), |
| source_origin.file?source_origin.file:"unknown_file")+1; | main_alias, |
| #else | pseudo_file_no__process); |
| strncpy(local_place, method_name->cstr(), MAX_STRING-1); place[MAX_STRING-1]=0; | } |
| size_t place_size=strlen(local_place)+1; | |
| #endif | |
| char *heap_place=pool.copy(local_place, place_size); | |
| // process source code, append processed methods to 'self' class | |
| // maybe-define new @main | |
| r.use_buf(*target_class, | |
| source->cstr(String::UL_UNSPECIFIED, r.connection(StringPtr(0))), | |
| StringPtr(new String(heap_place, place_size, true /*tainted*/)), | |
| heap_place); | |
| // main_method | // main_method |
| main_method=target_class->get_method(main_method_name); | main_method=target_class->get_method(main_method_name); |
| } | } |
| Line 202 static void _process(Request& r, StringP | Line 182 static void _process(Request& r, StringP |
| // maybe-execute @main[] | // maybe-execute @main[] |
| if(main_method) { | if(main_method) { |
| // temporarily set method_frame's self to target_self | // temporarily set method_frame's self to target_self |
| Temp_method_frame_self tmfs(*r.get_method_frame(), target_self); | Temp_method_frame_self tmfs(*r.get_method_frame(), *target_self); |
| // execute! | // execute! |
| r.execute(*main_method->parser_code); | r.execute(*main_method->parser_code); |
| } | } |
| } | } |
| static void _rem(Request& r, StringPtr /*method_name*/, MethodParams* params) { | static void _rem(Request& r, MethodParams& params) { |
| params->as_junction(0, "body must be code"); | params.as_junction(0, "body must be code"); |
| } | } |
| static void _while(Request& r, StringPtr method_name, MethodParams* params) { | static void _while(Request& r, MethodParams& params) { |
| Pool& pool=r.pool(); | Value& vcondition=params.as_junction(0, "condition must be expression"); |
| Value& body=params.as_junction(1, "body must be code"); | |
| ValuePtr vcondition=params->as_junction(0, "condition must be expression"); | |
| ValuePtr body=params->as_junction(1, "body must be code"); | |
| // while... | // while... |
| int endless_loop_count=0; | int endless_loop_count=0; |
| while(true) { | while(true) { |
| if(++endless_loop_count>=MAX_LOOPS) // endless loop? | if(++endless_loop_count>=MAX_LOOPS) // endless loop? |
| throw Exception("parser.runtime", | throw Exception("parser.runtime", |
| method_name, | 0, |
| "endless loop detected"); | "endless loop detected"); |
| bool condition=r.process_to_value(vcondition, | bool condition=r.process_to_value(vcondition, |
| /*0/*no name* /,*/ | /*0/*no name* /,*/ |
| false/*don't intercept string*/)->as_bool(); | false/*don't intercept string*/).as_bool(); |
| if(!condition) // ...condition is true | if(!condition) // ...condition is true |
| break; | break; |
| Line 237 static void _while(Request& r, StringPtr | Line 215 static void _while(Request& r, StringPtr |
| } | } |
| } | } |
| static void _use(Request& r, StringPtr method_name, MethodParams* params) { | static void _use(Request& r, MethodParams& params) { |
| Pool& pool=r.pool(); | Value& vfile=params.as_no_junction(0, "file name must not be code"); |
| ValuePtr vfile=params->as_no_junction(0, "file name must not be code"); | r.use_file(r.main_class, vfile.as_string()); |
| r.use_file(*r.main_class, vfile->as_string(&pool)); | |
| } | } |
| static void _for(Request& r, StringPtr method_name, MethodParams* params) { | static void _for(Request& r, MethodParams& params) { |
| Pool& pool=r.pool(); | const String& var_name=params.as_string(0, "var name must be string"); |
| StringPtr var_name=params->as_string(0, "var name must be string"); | int from=params.as_int(1, "from must be int", r); |
| int from=params->as_int(1, "from must be int", r); | int to=params.as_int(2, "to must be int", r); |
| int to=params->as_int(2, "to must be int", r); | Value& body_code=params.as_junction(3, "body must be code"); |
| ValuePtr body_code=params->as_junction(3, "body must be code"); | Value* delim_maybe_code=params.count()>4?¶ms[4]:0; |
| ValuePtr delim_maybe_code=params->count()>4?(*params)[4]:ValuePtr(0); | |
| if(to-from>=MAX_LOOPS) // too long loop? | if(to-from>=MAX_LOOPS) // too long loop? |
| throw Exception("parser.runtime", | throw Exception("parser.runtime", |
| method_name, | 0, |
| "endless loop detected"); | "endless loop detected"); |
| bool need_delim=false; | bool need_delim=false; |
| VIntPtr vint(new VInt(0)); | VInt* vint=new VInt(0); |
| r.get_method_frame()->caller()->put_element(var_name, vint, false); | r.get_method_frame()->caller()->put_element(var_name, vint, false); |
| for(int i=from; i<=to; i++) { | for(int i=from; i<=to; i++) { |
| vint->set_int(i); | vint->set_int(i); |
| StringOrValue sv_processed=r.process(body_code); | StringOrValue sv_processed=r.process(body_code); |
| StringPtr s_processed=sv_processed.get_string(); | const String* s_processed=sv_processed.get_string(); |
| if(delim_maybe_code && s_processed && s_processed->size()) { // delimiter set and we have body | if(delim_maybe_code && s_processed && s_processed->length()) { // delimiter set and we have body |
| if(need_delim) // need delim & iteration produced string? | if(need_delim) // need delim & iteration produced string? |
| r.write_pass_lang(r.process(delim_maybe_code)); | r.write_pass_lang(r.process(*delim_maybe_code)); |
| need_delim=true; | need_delim=true; |
| } | } |
| r.write_pass_lang(sv_processed); | r.write_pass_lang(sv_processed); |
| } | } |
| } | } |
| static void _eval(Request& r, StringPtr method_name, MethodParams* params) { | static void _eval(Request& r, MethodParams& params) { |
| ValuePtr expr=params->as_junction(0, "need expression"); | Value& expr=params.as_junction(0, "need expression"); |
| // evaluate expresion | // evaluate expresion |
| ValuePtr value_result=r.process_to_value(expr, | Value& value_result=r.process_to_value(expr, |
| /*0/*no name YET* /,*/ | /*0/*no name YET* /,*/ |
| true/*don't intercept string*/)->as_expr_result(); | true/*don't intercept string*/).as_expr_result(); |
| if(params->count()>1) { | if(params.count()>1) { |
| ValuePtr fmt=params->as_no_junction(1, "fmt must not be code"); | Value& fmt=params.as_no_junction(1, "fmt must not be code"); |
| r.write_no_lang(String(format(value_result.as_double(), fmt.as_string().cstrm()))); | |
| Pool& pool=r.pool(); | |
| String string; | |
| string.APPEND_CONST( | |
| format(pool, value_result->as_double(), fmt->as_string(&pool)->cstr())); | |
| r.write_no_lang(string); | |
| } else | } else |
| r.write_no_lang(value_result); | r.write_no_lang(value_result); |
| } | } |
| static void _connect(Request& r, StringPtr method_name, MethodParams* params) { | static void _connect(Request& r, MethodParams& params) { |
| Pool& pool=r.pool(); | |
| #ifdef RESOURCES_DEBUG | #ifdef RESOURCES_DEBUG |
| struct timeval mt[2]; | struct timeval mt[2]; |
| #endif | #endif |
| ValuePtr url=params->as_no_junction(0, "url must not be code"); | Value& url=params.as_no_junction(0, "url must not be code"); |
| ValuePtr body_code=params->as_junction(1, "body must be code"); | Value& body_code=params.as_junction(1, "body must be code"); |
| Table* protocol2driver_and_client=0; | Table* protocol2driver_and_client=0; |
| if(ValuePtr sql=r.main_class->get_element(StringPtr(new String(MAIN_SQL_NAME)), *r.main_class, false)) { | if(Value* sql=r.main_class.get_element(String(MAIN_SQL_NAME), r.main_class, false)) { |
| if(ValuePtr element=sql->get_element(StringPtr(new String(MAIN_SQL_DRIVERS_NAME)), *sql, false)) { | if(Value* element=sql->get_element(String(MAIN_SQL_DRIVERS_NAME), *sql, false)) { |
| protocol2driver_and_client=element->get_table(); | protocol2driver_and_client=element->get_table(); |
| } | } |
| } | } |
| Line 311 struct timeval mt[2]; | Line 281 struct timeval mt[2]; |
| gettimeofday(&mt[0],NULL); | gettimeofday(&mt[0],NULL); |
| #endif | #endif |
| // connect | // connect |
| SQL_ConnectionPtr connection=SQL_driver_manager.get_connection(pool, | SQL_Connection* connection=SQL_driver_manager.get_connection(url.as_string(), |
| url->as_string(&pool), method_name, protocol2driver_and_client); | protocol2driver_and_client); |
| #ifdef RESOURCES_DEBUG | #ifdef RESOURCES_DEBUG |
| //measure:after connect | //measure:after connect |
| Line 324 for(int i=0;i<2;i++) | Line 294 for(int i=0;i<2;i++) |
| r.sql_connect_time+=t[1]-t[0]; | r.sql_connect_time+=t[1]-t[0]; |
| #endif | #endif |
| Temp_connection temp_connection(r, connection.get()); | Temp_connection temp_connection(r, connection); |
| // execute body | // execute body |
| try { | try { |
| r.write_assign_lang(r.process(body_code)); | r.write_assign_lang(r.process(body_code)); |
| Line 338 r.sql_connect_time+=t[1]-t[0]; | Line 308 r.sql_connect_time+=t[1]-t[0]; |
| class Switch_data: public PA_Object { | class Switch_data: public PA_Object { |
| public: | public: |
| Request& r; | Request& r; |
| ValuePtr searching; | Value& searching; |
| ValuePtr found; | Value* found; |
| ValuePtr _default; | Value* _default; |
| public: | public: |
| Switch_data(Request& ar, ValuePtr asearching): | Switch_data(Request& ar, Value& asearching): |
| r(ar), searching(asearching) {} | r(ar), searching(asearching) {} |
| }; | }; |
| DECLARE_OBJECT_PTR(Switch_data); | |
| #endif | #endif |
| static void _switch(Request& r, StringPtr /*method_name*/, MethodParams* params) { | static void _switch(Request& r, MethodParams& params) { |
| Switch_dataPtr data(new Switch_data(r, r.process_to_value(params->get(0)))); | Switch_data* data=new Switch_data(r, r.process_to_value(params[0])); |
| Temp_hash_value<StringPtr, PA_ObjectPtr> | Temp_hash_value<const StringBody, PA_Object*> |
| switch_data_setter(r.classes_conf, switch_data_name, data); | switch_data_setter(r.classes_conf, switch_data_name, data); |
| ValuePtr cases_code=params->as_junction(1, "switch cases must be code"); | Value& cases_code=params.as_junction(1, "switch cases must be code"); |
| // execution of found ^case[...]{code} must be in context of ^switch[...]{code} | // execution of found ^case[...]{code} must be in context of ^switch[...]{code} |
| // because of stacked WWrapper used there as wcontext | // because of stacked WWrapper used there as wcontext |
| r.process(cases_code, true/*intercept_string*/); | r.process(cases_code, true/*intercept_string*/); |
| if(ValuePtr selected_code=data->found? data->found: data->_default) { | if(Value* selected_code=data->found? data->found: data->_default) { |
| // setting code context, would execute in ^switch[...]{>>context<<} | // setting code context, would execute in ^switch[...]{>>context<<} |
| //selected_code->get_junction()->change_context(cases_code.get_junction()); | //selected_code->get_junction()->change_context(cases_code.get_junction()); |
| r.write_pass_lang(r.process(selected_code)); | r.write_pass_lang(r.process(*selected_code)); |
| } | } |
| } | } |
| static void _case(Request& r, StringPtr method_name, MethodParams* params) { | static void _case(Request& r, MethodParams& params) { |
| Pool& pool=r.pool(); | Switch_data* data=static_cast<Switch_data*>(r.classes_conf.get(switch_data_name)); |
| Switch_data* data=static_cast<Switch_data*>(r.classes_conf.get(switch_data_name).get()); | |
| if(!data) | if(!data) |
| throw Exception("parser.runtime", | throw Exception("parser.runtime", |
| method_name, | 0, |
| "without switch"); | "without switch"); |
| int count=params->count(); | int count=params.count(); |
| ValuePtr code=params->as_junction(--count, "case result must be code"); | Value& code=params.as_junction(--count, "case result must be code"); |
| // killing context for safety, would execute in ^switch[...]{>>context<<} | // killing context for safety, would execute in ^switch[...]{>>context<<} |
| // reason: context is stacked, and it would become invalid afterwards | // reason: context is stacked, and it would become invalid afterwards |
| //code->get_junction()->change_context(0); | //code->get_junction()->change_context(0); |
| for(int i=0; i<count; i++) { | for(int i=0; i<count; i++) { |
| ValuePtr value=r.process_to_value(params->get(i)); | Value& value=r.process_to_value(params[i]); |
| if(*value->as_string(&pool) == CASE_DEFAULT_VALUE) { | if(value.as_string() == CASE_DEFAULT_VALUE) { |
| data->_default=code; | data->_default=&code; |
| break; | break; |
| } | } |
| bool matches; | bool matches; |
| if(data->searching->is_string()) | if(data->searching.is_string()) |
| matches=*data->searching->as_string(&pool) == *value->as_string(&pool); | matches=data->searching.as_string() == value.as_string(); |
| else | else |
| matches=data->searching->as_double() == value->as_double(); | matches=data->searching.as_double() == value.as_double(); |
| if(matches) { | if(matches) { |
| if(data->found) | if(data->found) |
| throw Exception("parser.runtime", | throw Exception("parser.runtime", |
| method_name, | 0, |
| "duplicate found"); | "duplicate found"); |
| data->found=code; | data->found=&code; |
| break; | break; |
| } | } |
| } | } |
| Line 409 static void _case(Request& r, StringPtr | Line 376 static void _case(Request& r, StringPtr |
| // consts | // consts |
| const int DATA_STRING_SERIALIZED_VERSION=0x0003; | const int DATA_STRING_SERIALIZED_VERSION=0x0004; |
| // helper types | // helper types |
| Line 420 struct Data_string_serialized_prolog { | Line 387 struct Data_string_serialized_prolog { |
| }; | }; |
| #endif | #endif |
| void cache_delete(StringPtr file_spec) { | void cache_delete(const String& file_spec) { |
| file_delete(file_spec, false/*fail_on_read_problem*/); | file_delete(file_spec, false/*fail_on_read_problem*/); |
| } | } |
| Line 429 class Cache_data: public PA_Object { | Line 396 class Cache_data: public PA_Object { |
| public: | public: |
| time_t expires; | time_t expires; |
| }; | }; |
| DECLARE_OBJECT_PTR(Cache_data); | |
| struct Locked_process_and_cache_put_action_info { | struct Locked_process_and_cache_put_action_info { |
| Request *r; | Request *r; |
| Cache_data *data; | Cache_data *data; |
| ValuePtr body_code; StringPtr evaluated_body; | Value* body_code; const String* evaluated_body; |
| }; | }; |
| #endif | #endif |
| /* @todo maybe network order worth spending some effort? | /* @todo maybe network order worth spending some effort? |
| Line 444 static void locked_process_and_cache_put | Line 410 static void locked_process_and_cache_put |
| Locked_process_and_cache_put_action_info& info= | Locked_process_and_cache_put_action_info& info= |
| *static_cast<Locked_process_and_cache_put_action_info *>(context); | *static_cast<Locked_process_and_cache_put_action_info *>(context); |
| Pool& pool=info.r->pool(); | |
| // body->process | // body->process |
| info.evaluated_body=info.r->process_to_string(info.body_code); | info.evaluated_body=&info.r->process_to_string(*info.body_code); |
| // expiration time not spoiled by ^cache(0) or something? | // expiration time not spoiled by ^cache(0) or something? |
| if(info.data->expires > time(0)) { | if(info.data->expires > time(0)) { |
| // string -serialize> buffer | // string -serialize> buffer |
| char *data; size_t data_size; | String::Cm serialized=info.evaluated_body->serialize( |
| info.evaluated_body->serialize(pool, | sizeof(Data_string_serialized_prolog)); |
| sizeof(Data_string_serialized_prolog), | |
| data, data_size); | |
| Data_string_serialized_prolog& prolog= | Data_string_serialized_prolog& prolog= |
| *reinterpret_cast<Data_string_serialized_prolog *>(data); | *reinterpret_cast<Data_string_serialized_prolog *>(serialized.str); |
| prolog.version=DATA_STRING_SERIALIZED_VERSION; | prolog.version=DATA_STRING_SERIALIZED_VERSION; |
| prolog.expires=info.data->expires; | prolog.expires=info.data->expires; |
| // buffer -write> file | // buffer -write> file |
| write(f, data, data_size); | write(f, serialized.str, serialized.length); |
| } else // expired! | } else // expired! |
| info.data->expires=0; // flag it so that could be easily checked by caller | info.data->expires=0; // flag it so that could be easily checked by caller |
| } | } |
| StringPtr locked_process_and_cache_put(Request& r, | const String* locked_process_and_cache_put(Request& r, |
| ValuePtr body_code, | Value& body_code, |
| Cache_data& data, | Cache_data& data, |
| StringPtr file_spec) { | const String& file_spec) { |
| Locked_process_and_cache_put_action_info info; | Locked_process_and_cache_put_action_info info={0}; |
| info.r=&r; | info.r=&r; |
| info.data=&data; | info.data=&data; |
| info.body_code=body_code; | info.body_code=&body_code; |
| StringPtr result=file_write_action_under_lock( | const String* result=file_write_action_under_lock( |
| file_spec, | file_spec, |
| "cache_put", locked_process_and_cache_put_action, &info, | "cache_put", locked_process_and_cache_put_action, &info, |
| false/*as_text*/, | false/*as_text*/, |
| false/*do_append*/, | false/*do_append*/, |
| false/*block*/, | false/*block*/, |
| false/*fail on lock problem*/) ? info.evaluated_body: StringPtr(0); | false/*fail on lock problem*/) ? info.evaluated_body: 0; |
| time_t now=time(0); | time_t now=time(0); |
| if(data.expires<=now) | if(data.expires<=now) |
| cache_delete(file_spec); | cache_delete(file_spec); |
| return result; | return result; |
| } | } |
| StringPtr cache_get(Pool& pool, Charset& charset, StringPtr file_spec, time_t now) { | const String* cache_get(Request_charsets& charsets, const String& file_spec, time_t now) { |
| File_read_result file=file_read(pool, charset, file_spec, | File_read_result file=file_read(charsets, file_spec, |
| false/*as_text*/, | false/*as_text*/, |
| 0, //no params | 0, //no params |
| false/*fail_on_read_problem*/); | false/*fail_on_read_problem*/); |
| if(file.success && file.size/* ignore reads which are empty due to | if(file.success && file.length/* ignore reads which are empty due to |
| non-unary open+lockEX conflict with lockSH */) { | non-unary open+lockEX conflict with lockSH */) { |
| Data_string_serialized_prolog& prolog= | Data_string_serialized_prolog& prolog= |
| *reinterpret_cast<Data_string_serialized_prolog *>(file.data); | *reinterpret_cast<Data_string_serialized_prolog *>(file.str); |
| StringPtr result(new String); | String* result=new String; |
| if( | if( |
| file.size>=sizeof(Data_string_serialized_prolog) | file.length>=sizeof(Data_string_serialized_prolog) |
| && prolog.version==DATA_STRING_SERIALIZED_VERSION | && prolog.version==DATA_STRING_SERIALIZED_VERSION |
| && prolog.expires > now | && prolog.expires > now |
| && result->deserialize( | && result->deserialize(sizeof(Data_string_serialized_prolog), file.str, file.length)) |
| sizeof(Data_string_serialized_prolog), file.data, file.size, file_spec->cstr(pool))) | |
| return result; | return result; |
| } | } |
| return 0; | return 0; |
| } | } |
| static time_t as_expires(Request& r, StringPtr method_name, MethodParams* params, | static time_t as_expires(Request& r, MethodParams& params, |
| int index, time_t now) { | int index, time_t now) { |
| time_t result; | time_t result; |
| if(Value* vdate=(*params)[index]->as(VDATE_TYPE, false)) | if(Value* vdate=params[index].as(VDATE_TYPE, false)) |
| result=static_cast<VDate*>(vdate)->get_time(); | result=static_cast<VDate*>(vdate)->get_time(); |
| else | else |
| result=now+(time_t)params->as_double(index, "lifespan must be date or number", r); | result=now+(time_t)params.as_double(index, "lifespan must be date or number", r); |
| return result; | return result; |
| } | } |
| static StringPtr as_file_spec(Request& r, MethodParams* params, int index) { | static const String& as_file_spec(Request& r, MethodParams& params, int index) { |
| return r.absolute(params->as_string(index, "filespec must be string")); | return r.absolute(params.as_string(index, "filespec must be string")); |
| } | } |
| static void _cache(Request& r, StringPtr method_name, MethodParams* params) { | static void _cache(Request& r, MethodParams& params) { |
| Pool& pool=r.pool(); | |
| time_t now=time(0); | time_t now=time(0); |
| // ^cache[filename] ^cache(seconds) ^cache[expires date] | // ^cache[filename] ^cache(seconds) ^cache[expires date] |
| if(params->count()==1) { | if(params.count()==1) { |
| if((*params)[0]->is_string()) { // filename? | if(params[0].is_string()) { // filename? |
| cache_delete(as_file_spec(r, params, 0)); | cache_delete(as_file_spec(r, params, 0)); |
| return; | return; |
| } | } |
| // secods|expires date | // secods|expires date |
| Cache_data* data=static_cast<Cache_data*>(r.classes_conf.get(cache_data_name).get()); | Cache_data* data=static_cast<Cache_data*>(r.classes_conf.get(cache_data_name)); |
| if(!data) | if(!data) |
| throw Exception("parser.runtime", | throw Exception("parser.runtime", |
| method_name, | 0, |
| "expire-time reducing instruction without cache"); | "expire-time reducing instruction without cache"); |
| time_t expires=as_expires(r, method_name, params, 0, now); | time_t expires=as_expires(r, params, 0, now); |
| if(expires < data->expires) | if(expires < data->expires) |
| data->expires=expires; | data->expires=expires; |
| Line 549 static void _cache(Request& r, StringPtr | Line 509 static void _cache(Request& r, StringPtr |
| } | } |
| // file_spec, expires, body code | // file_spec, expires, body code |
| StringPtr file_spec=r.absolute(params->as_string(0, "filespec must be string")); | const String& file_spec=r.absolute(params.as_string(0, "filespec must be string")); |
| Cache_dataPtr data(new Cache_data); | Cache_data* data=new Cache_data; |
| Temp_hash_value<StringPtr, PA_ObjectPtr> | Temp_hash_value<const StringBody, PA_Object*> |
| cache_data_setter(r.classes_conf, cache_data_name, data); | cache_data_setter(r.classes_conf, cache_data_name, data); |
| data->expires=as_expires(r, method_name, params, 1, now); | data->expires=as_expires(r, params, 1, now); |
| ValuePtr body_code=params->as_junction(2, "body must be code"); | Value& body_code=params.as_junction(2, "body must be code"); |
| if(data->expires>now) { // valid 'expires' specified? try cached copy... | if(data->expires>now) { // valid 'expires' specified? try cached copy... |
| // hence we don't hope to have unary create/lockEX | // hence we don't hope to have unary create/lockEX |
| Line 575 static void _cache(Request& r, StringPtr | Line 535 static void _cache(Request& r, StringPtr |
| // |lockSH succeeds; ... | // |lockSH succeeds; ... |
| for(int retry=0; retry<2; retry++) { | for(int retry=0; retry<2; retry++) { |
| if(StringPtr cached_body=cache_get(pool, r.charsets.source(), file_spec, now)) { // have cached copy? | if(const String* cached_body=cache_get(r.charsets, file_spec, now)) { // have cached copy? |
| // write it out | // write it out |
| r.write_assign_lang(*cached_body); | r.write_assign_lang(*cached_body); |
| // happy with it | // happy with it |
| Line 583 static void _cache(Request& r, StringPtr | Line 543 static void _cache(Request& r, StringPtr |
| } | } |
| // non-blocked lock; process; cache it | // non-blocked lock; process; cache it |
| if(StringPtr processed_body= | if(const String* processed_body= |
| locked_process_and_cache_put(r, body_code, *data, file_spec)) { | locked_process_and_cache_put(r, body_code, *data, file_spec)) { |
| // write it out | // write it out |
| r.write_assign_lang(*processed_body); | r.write_assign_lang(*processed_body); |
| Line 595 static void _cache(Request& r, StringPtr | Line 555 static void _cache(Request& r, StringPtr |
| } | } |
| } | } |
| throw Exception(0, | throw Exception(0, |
| file_spec, | &file_spec, |
| "locking problem"); | "locking problem"); |
| } else { | } else { |
| // instructed not to cache; forget cached copy | // instructed not to cache; forget cached copy |
| cache_delete(file_spec); | cache_delete(file_spec); |
| // process | // process |
| StringPtr processed_body=r.process_to_string(body_code); | const String& processed_body=r.process_to_string(body_code); |
| // write it out | // write it out |
| r.write_assign_lang(*processed_body); | r.write_assign_lang(processed_body); |
| // happy with it | // happy with it |
| return; | return; |
| } | } |
| // never reached | // never reached |
| } | } |
| // also used in pa_request.C to pass param to @unhandled_exception | |
| VHashPtr exception2vhash(Pool& pool, const Exception& e) { | |
| VHashPtr result(new VHash); | |
| HashStringValue& hash=result->hash(Exception::undefined_source); | |
| if(const char* type=e.type(true)) | |
| hash.put(exception_type_part_name, ValuePtr(new VString(StringPtr(new String(type))))); | |
| if(StringPtr asource=e.problem_source()) { | |
| StringPtr source(new String); | |
| source->append(*asource, String::UL_TAINTED, true/*forced*/); | |
| hash.put(exception_source_part_name, ValuePtr(new VString(source))); | |
| #ifndef NO_STRING_ORIGIN | |
| const String_fragment::Origin& origin=source->origin(); | |
| hash.put(StringPtr(new String("file", 0, true)), | |
| ValuePtr(new VString(StringPtr(new String(origin.file))))); | |
| hash.put(StringPtr(new String("lineno")), | |
| ValuePtr(new VInt(1+origin.line))); | |
| #endif | |
| } | |
| if(const char* ecomment=e.comment(true)) { | |
| char *pcomment=pool.copy(ecomment); | |
| hash.put(exception_comment_part_name, | |
| ValuePtr(new VString(StringPtr(new String(pcomment, 0, true/*tainted*/))))); | |
| } | |
| hash.put(exception_handled_part_name, | |
| ValuePtr(new VBool(false))); | |
| return result; | |
| } | |
| static void _try_operator(Request& r, StringPtr method_name, MethodParams* params) { | // also used in pa_request.C to pass param to @unhandled_exception |
| Pool& pool=r.pool(); | |
| ValuePtr body_code=params->as_junction(0, "body_code must be code"); | static void _try_operator(Request& r, MethodParams& params) { |
| ValuePtr catch_code=params->as_junction(1, "catch_code must be code"); | Value& body_code=params.as_junction(0, "body_code must be code"); |
| Value& catch_code=params.as_junction(1, "catch_code must be code"); | |
| StringOrValue result; | StringOrValue result; |
| // taking snapshot of try-context | // taking snapshot of try-context |
| Line 652 static void _try_operator(Request& r, St | Line 584 static void _try_operator(Request& r, St |
| try { | try { |
| result=r.process(body_code); | result=r.process(body_code); |
| } catch(const Exception& e) { | } catch(const Exception& e) { |
| Request::Exception_details details=r.get_details(e); | |
| Request_context_saver throw_context(r); // taking snapshot of throw-context [stack trace contains error] | Request_context_saver throw_context(r); // taking snapshot of throw-context [stack trace contains error] |
| try_context.restore(); // restoring try-context to perform catch-code | try_context.restore(); // restoring try-context to perform catch-code |
| VHashPtr vhash=exception2vhash(pool, e); | Junction* junction=catch_code.get_junction(); |
| JunctionPtr junction=catch_code->get_junction(); | |
| Value* method_frame=junction->method_frame; | Value* method_frame=junction->method_frame; |
| ValuePtr saved_exception_var_value=method_frame->get_element(exception_var_name, *method_frame, false); | Value* saved_exception_var_value=method_frame->get_element(exception_var_name, *method_frame, false); |
| junction->method_frame->put_element(exception_var_name, vhash, false); | junction->method_frame->put_element(exception_var_name, &details.vhash, false); |
| result=r.process(catch_code); | result=r.process(catch_code); |
| bool handled=false; | bool handled=false; |
| if(ValuePtr value= | if(Value* value= |
| vhash->hash(Exception::undefined_source).get(exception_handled_part_name)) | details.vhash.hash().get(exception_handled_part_name)) |
| handled=value->as_bool(); | handled=value->as_bool(); |
| junction->method_frame->put_element(exception_var_name, saved_exception_var_value, false); | junction->method_frame->put_element(exception_var_name, saved_exception_var_value, false); |
| if(!handled) { | if(!handled) { |
| throw_context.restore(); // restoring throw-context [exception were not handled] | throw_context.restore(); // restoring throw-context [exception were not handled] |
| throw(e); // rethrow | rethrow; |
| } | } |
| } | } |
| // write out result | // write out result |
| r.write_pass_lang(result); | r.write_pass_lang(result); |
| } | } |
| static void _throw_operator(Request& r, StringPtr method_name, MethodParams* params) { | static void _throw_operator(Request& r, MethodParams& params) { |
| Pool& pool=r.pool(); | if(params.count()==1) { |
| if(HashStringValue *hash=params[0].get_hash()) { | |
| if(params->count()==1) { | |
| ValuePtr param0=(*params)[0]; | |
| if(HashStringValue *hash=param0->get_hash(method_name)) { | |
| const char* type=0; | const char* type=0; |
| if(ValuePtr value=hash->get(exception_type_part_name)) | if(Value* value=hash->get(exception_type_part_name)) |
| type=value->as_string(&pool)->cstr(); | type=value->as_string().cstr(); |
| StringPtr source(0); | const String* source=0; |
| if(ValuePtr value=hash->get(exception_source_part_name)) | if(Value* value=hash->get(exception_source_part_name)) |
| source=value->as_string(&pool); | source=&value->as_string(); |
| CharPtr comment(0); | const char* comment; |
| if(ValuePtr value=hash->get(exception_comment_part_name)) | if(Value* value=hash->get(exception_comment_part_name)) |
| comment=value->as_string(&pool)->cstr(); | comment=value->as_string().cstr(); |
| throw Exception(type, | throw Exception(type, |
| source?source:method_name, | source?source:0, |
| comment); | "%s", comment?comment:""); |
| } else | } else |
| throw Exception("parser.runtime", | throw Exception("parser.runtime", |
| method_name, | 0, |
| "one-param version has hash param"); | "one-param version has hash param"); |
| } else { | } else { |
| const char* type=params->as_string(0, "type must be string")->cstr(pool); | const char* type=params.as_string(0, "type must be string").cstr(); |
| StringPtr source=params->as_string(1, "source must be string"); | const String& source=params.as_string(1, "source must be string"); |
| CharPtr comment=params->count()>2? params->as_string(2, "comment must be string")->cstr() | const char* comment=params.count()>2? params.as_string(2, "comment must be string").cstr() |
| :CharPtr(0); | :0; |
| throw Exception(type, source, "%s", comment?comment:""); | throw Exception(type, &source, "%s", comment?comment:""); |
| } | } |
| } | } |
| #if defined(WIN32) && defined(_DEBUG) | |
| # define PA_BPT | |
| static void _bpt(Request& r, MethodParams& params) { | |
| _asm int 3; | |
| } | |
| #endif | |
| // constructor | // constructor |
| VClassMAIN::VClassMAIN(): VClass() { | VClassMAIN::VClassMAIN(): VClass() { |
| set_name(StringPtr(new String(MAIN_CLASS_NAME))); | set_name(*new String(MAIN_CLASS_NAME)); |
| #ifdef PA_BPT | |
| // ^bpt[] | |
| add_native_method("bpt", Method::CT_ANY, _bpt, 0, 0); | |
| #endif | |
| // ^if(condition){code-when-true} | // ^if(condition){code-when-true} |
| // ^if(condition){code-when-true}{code-when-false} | // ^if(condition){code-when-true}{code-when-false} |
| Line 771 VClassMAIN::VClassMAIN(): VClass() { | Line 712 VClassMAIN::VClassMAIN(): VClass() { |
| // constructor & configurator | // constructor & configurator |
| VStateless_classPtr VClassMAIN_create() { | VStateless_class& VClassMAIN_create() { |
| return *new VClassMAIN; | |
| return VStateless_classPtr(new VClassMAIN); | |
| } | } |