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| version 1.46, 2001/03/18 16:32:25 | version 1.67, 2001/03/23 08:47:46 |
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| Line 1 | Line 1 |
| /* | /** @file |
| Parser | Parser: request class main part. @see compile.C and execute.C. |
| Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com) | Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com) |
| Author: Alexander Petrosyan <paf@design.ru> (http://design.ru/paf) | Author: Alexander Petrosyan <paf@design.ru> (http://design.ru/paf) |
| $Id$ | $Id$ |
| Line 8 | Line 10 |
| #include <string.h> | #include <string.h> |
| #include "pa_common.h" | |
| #include "pa_request.h" | #include "pa_request.h" |
| #include "pa_wwrapper.h" | #include "pa_wwrapper.h" |
| #include "pa_common.h" | |
| #include "pa_vclass.h" | #include "pa_vclass.h" |
| #include "_root.h" | #include "_root.h" |
| #include "_env.h" | |
| #include "_table.h" | #include "_table.h" |
| #include "pa_globals.h" | #include "pa_globals.h" |
| #include "pa_vint.h" | #include "pa_vint.h" |
| Line 29 Request::Request(Pool& apool, | Line 30 Request::Request(Pool& apool, |
| form(apool), | form(apool), |
| request(apool, *this), | request(apool, *this), |
| response(apool), | response(apool), |
| cookie(apool), | |
| fclasses(apool), | fclasses(apool), |
| fdefault_lang(adefault_lang), flang(adefault_lang), | fdefault_lang(adefault_lang), flang(adefault_lang), |
| info(ainfo), | info(ainfo), |
| Line 41 Request::Request(Pool& apool, | Line 43 Request::Request(Pool& apool, |
| classes().put(*root_class_name, &ROOT); | classes().put(*root_class_name, &ROOT); |
| // table class | // table class |
| classes().put(*table_class_name, table_class); | classes().put(*table_class_name, table_class); |
| // table_class->set_name(*table_class_name); | |
| // env class | // env class |
| classes().put(*env_class_name, &env); | classes().put(*env_class_name, &env); |
| Line 51 Request::Request(Pool& apool, | Line 52 Request::Request(Pool& apool, |
| classes().put(*request_class_name, &request); | classes().put(*request_class_name, &request); |
| // response class | // response class |
| classes().put(*response_class_name, &response); | classes().put(*response_class_name, &response); |
| // cookie class | |
| classes().put(*cookie_class_name, &cookie); | |
| } | } |
| void output_response_attribute(const Hash::Key& akey, Hash::Value *avalue, void *info) { | static void add_header_attribute(const Hash::Key& aattribute, Hash::Val *ameaning, |
| String *key_to_exclude=static_cast<String *>(info); | void *info) { |
| if(akey==*key_to_exclude || !avalue) | String *attribute_to_exclude=static_cast<String *>(info); |
| if(aattribute==*attribute_to_exclude) | |
| return; | return; |
| String key(akey); | Value& lmeaning=*static_cast<Value *>(ameaning); |
| key.change_lang(String::Untaint_lang::URI); | Pool& pool=lmeaning.pool(); |
| String value=static_cast<Value *>(avalue)->as_string(); | |
| value.change_lang(String::Untaint_lang::URI); | |
| (*service_funcs.output_header_attribute)( | String attribute(pool); |
| key.cstr(), | (*service_funcs.add_header_attribute)(pool, |
| value.cstr()); | attribute.append(aattribute, String::UL_HEADER, true).cstr(), |
| attributed_meaning_to_string(lmeaning).cstr()); | |
| } | } |
| void Request::core(Exception& system_exception, | /** |
| const char *sys_auto_path1, | load MAIN class, execute @main. |
| const char *sys_auto_path2) { | MAIN class consists of all the auto.p files we'd manage to find |
| plus | |
| the file user requested us to process | |
| all located classes become children of one another, | |
| composing class we name 'MAIN' | |
| */ | |
| void Request::core(const char *root_auto_path, bool root_auto_fail, | |
| const char *site_auto_path, bool site_auto_fail, | |
| bool header_only) { | |
| VStateless_class *main_class=0; | VStateless_class *main_class=0; |
| bool need_rethrow=false; Exception rethrow_me; | bool need_rethrow=false; Exception rethrow_me; |
| TRY { | TRY { |
| char *auto_filespec=(char *)malloc(MAX_STRING); | char *auto_filespec=(char *)malloc(MAX_STRING); |
| // load MAIN class, | // loading root auto.p |
| // it consists of all the auto.p files we'd manage to find | if(root_auto_path) { |
| // plus | strncpy(auto_filespec, root_auto_path, MAX_STRING-strlen("/" AUTO_FILE_NAME)); |
| // the file user requested us to process | strcat(auto_filespec, "/" AUTO_FILE_NAME); |
| // all located classes become children of one another, | |
| // composing class we name 'MAIN' | |
| // loading system auto.p 1 | |
| if(sys_auto_path1) { | |
| strncpy(auto_filespec, sys_auto_path1, MAX_STRING-strlen(AUTO_FILE_NAME)); | |
| strcat(auto_filespec, AUTO_FILE_NAME); | |
| main_class=use_file( | main_class=use_file( |
| auto_filespec, false/*ignore possible read problem*/, | auto_filespec, root_auto_fail, |
| main_class_name, main_class); | main_class_name, main_class); |
| } | } |
| // loading system auto.p 2 | // loading site auto.p |
| if(sys_auto_path2) { | if(site_auto_path) { |
| strncpy(auto_filespec, sys_auto_path2, MAX_STRING-strlen(AUTO_FILE_NAME)); | strncpy(auto_filespec, site_auto_path, MAX_STRING-strlen("/" AUTO_FILE_NAME)); |
| strcat(auto_filespec, AUTO_FILE_NAME); | strcat(auto_filespec, "/" AUTO_FILE_NAME); |
| main_class=use_file( | main_class=use_file( |
| auto_filespec, false/*ignore possible read problem*/, | auto_filespec, site_auto_fail, |
| main_class_name, main_class); | main_class_name, main_class); |
| } | } |
| Line 112 void Request::core(Exception& system_exc | Line 115 void Request::core(Exception& system_exc |
| int post_max_size=value?value:10*0x400*400; | int post_max_size=value?value:10*0x400*400; |
| form.fill_fields(*this, post_max_size); | form.fill_fields(*this, post_max_size); |
| cookie.fill_fields(*this); | |
| // TODO: load site auto.p files, all assigned bases from upper dir | // TODO: load site auto.p files, all assigned bases from upper dir |
| /*char *site_auto_file="Y:\\parser3\\src\\auto.p"; | /*char *site_auto_file="Y:\\parser3\\src\\auto.p"; |
| Line 121 void Request::core(Exception& system_exc | Line 125 void Request::core(Exception& system_exc |
| // $MAIN:defaults | // $MAIN:defaults |
| Value *defaults=main_class?main_class->get_element(*defaults_name):0; | Value *defaults=main_class?main_class->get_element(*defaults_name):0; |
| // $defaults.content-type | fdefault_content_type=defaults?defaults->get_element(*content_type_name):0; |
| element=defaults?defaults->get_element(*content_type_name):0; | |
| response.fields().put(*content_type_name, fdefault_content_type=element); | |
| // there must be some auto.p | |
| if(!main_class) | |
| THROW(0,0, | |
| 0, | |
| "no 'auto.p' found (nither system nor any site's)"); | |
| // compiling requested file | // compiling requested file |
| main_class=use_file(info.path_translated, true/*don't ignore read problem*/, | main_class=use_file(info.path_translated, true/*don't ignore read problem*/, |
| Line 149 void Request::core(Exception& system_exc | Line 145 void Request::core(Exception& system_exc |
| body_string=&body_value->as_string();// TODO: IMAGE&FILE | body_string=&body_value->as_string();// TODO: IMAGE&FILE |
| // OK. write out the result | // OK. write out the result |
| output_result(*body_string); | output_result(*body_string, header_only); |
| } | } |
| CATCH(e) { | CATCH(e) { |
| TRY { | TRY { |
| Line 161 void Request::core(Exception& system_exc | Line 157 void Request::core(Exception& system_exc |
| // reset response | // reset response |
| response.fields().clear(); | response.fields().clear(); |
| // this is what we'd return in $response:content-type | |
| Value *content_type; | |
| // this is what we'd return in $response:body | // this is what we'd return in $response:body |
| const String *body_string=0; | const String *body_string=0; |
| Line 202 void Request::core(Exception& system_exc | Line 195 void Request::core(Exception& system_exc |
| String source_name(pool(), "source"); | String source_name(pool(), "source"); |
| Value *source_value=0; | Value *source_value=0; |
| if(problem_source) { | if(problem_source) { |
| String& problem_source_copy=*NEW String(*problem_source); | String& problem_source_copy=*NEW String(pool()); |
| problem_source_copy.change_lang(flang); | problem_source_copy.append(*problem_source, |
| flang, true); | |
| source_value=NEW VString(problem_source_copy); | source_value=NEW VString(problem_source_copy); |
| } | } |
| frame.store_param(source_name, | frame.store_param(source_name, |
| Line 220 void Request::core(Exception& system_exc | Line 214 void Request::core(Exception& system_exc |
| String type_name(pool(), "type"); | String type_name(pool(), "type"); |
| Value *type_value; | Value *type_value; |
| if(e.type()) { | if(e.type()) { |
| String& type_copy=*NEW String(*e.type()); | String& type_copy=*NEW String(pool()); |
| type_copy.change_lang(flang); | type_value=NEW VString(type_copy.append(*e.type(), |
| type_value=NEW VString(type_copy); | flang, true)); |
| } else | } else |
| type_value=NEW VUnknown(pool()); | type_value=NEW VUnknown(pool()); |
| frame.store_param(type_name, type_value); | frame.store_param(type_name, type_value); |
| Line 231 void Request::core(Exception& system_exc | Line 225 void Request::core(Exception& system_exc |
| String code_name(pool(), "code"); | String code_name(pool(), "code"); |
| Value *code_value; | Value *code_value; |
| if(e.code()) { | if(e.code()) { |
| String& code_copy=*NEW String(*e.code()); | String& code_copy=*NEW String(pool()); |
| code_copy.change_lang(flang); | code_value=NEW VString(code_copy.append(*e.code(), |
| code_value=NEW VString(code_copy); | flang, true)); |
| } else | } else |
| code_value=NEW VUnknown(pool()); | code_value=NEW VUnknown(pool()); |
| frame.store_param(code_name, code_value); | frame.store_param(code_name, code_value); |
| // future $response:content-type= | |
| // content-type from any auto.p | |
| content_type=fdefault_content_type; | |
| // future $response:body= | // future $response:body= |
| // execute ^exception[origin;source;comment;type;code] | // execute ^exception[origin;source;comment;type;code] |
| body_string=execute_method(frame, *method); | body_string=execute_method(frame, *method); |
| Line 277 void Request::core(Exception& system_exc | Line 268 void Request::core(Exception& system_exc |
| } | } |
| // future $response:content-type | // future $response:content-type |
| String &content_type_value=*NEW String(pool(), "text/plain"); | response.fields().put(*content_type_name, |
| content_type=NEW VString(content_type_value); | NEW VString(*NEW String(pool(), "text/plain"))); |
| // future $response:body | // future $response:body |
| body_string=NEW String(pool(), buf); | body_string=NEW String(pool(), buf); |
| } | } |
| // set $response:content-type | |
| response.fields().put(*content_type_name, content_type); | |
| // ERROR. write it out | // ERROR. write it out |
| output_result(*body_string); | output_result(*body_string, header_only); |
| } | } |
| CATCH(e) { | CATCH(e) { |
| // exception in request exception handler | // exception in request exception handler |
| Line 300 void Request::core(Exception& system_exc | Line 288 void Request::core(Exception& system_exc |
| // any throw() would try to use zero exception() pointer | // any throw() would try to use zero exception() pointer |
| if(need_rethrow) // there were an exception set for us to rethrow? | if(need_rethrow) // there were an exception set for us to rethrow? |
| system_exception._throw(rethrow_me.type(), rethrow_me.code(), | THROW(rethrow_me.type(), rethrow_me.code(), |
| rethrow_me.problem_source(), | rethrow_me.problem_source(), |
| rethrow_me.comment()); | rethrow_me.comment()); |
| } | } |
| VStateless_class *Request::use_file( | /// @todo find|solve cyclic dependences |
| const char *file, bool fail_on_read_problem, | VStateless_class *Request::use_file(const char *file, bool fail_on_read_problem, |
| const String *name, | const String *name, |
| VStateless_class *base_class) { | VStateless_class *base_class) { |
| // TODO: обнаружить|решить cyclic dependences | char *source=file_read_text(pool(), file, fail_on_read_problem); |
| char *source=file_read(pool(), file, fail_on_read_problem); | |
| if(!source) | if(!source) |
| return base_class; | return base_class; |
| return use_buf(source, file, 0/*new class*/, name, base_class); | return use_buf(source, file, 0/*new class*/, name, base_class); |
| } | } |
| VStateless_class *Request::use_buf( | VStateless_class *Request::use_buf(const char *source, const char *file, |
| const char *source, const char *file, | |
| VStateless_class *aclass, const String *name, | VStateless_class *aclass, const String *name, |
| VStateless_class *base_class) { | VStateless_class *base_class) { |
| // compile loaded class | // compile loaded class |
| Line 330 VStateless_class *Request::use_buf( | Line 316 VStateless_class *Request::use_buf( |
| return &cclass; | return &cclass; |
| } | } |
| void Request::fail_if_junction_(bool is, | /** |
| Value& value, const String& method_name, char *msg) { | - fail_if_junction(true, junction = fail |
| - fail_if_junction(false, not junction = fail | |
| */ | |
| void Request::fail_if_junction_(bool is, Value& value, | |
| const String& method_name, const char *msg) { | |
| // fail_if_junction(true, junction = fail | |
| // fail_if_junction(false, not junction = fail | |
| if((value.get_junction()!=0) ^ !is) | if((value.get_junction()!=0) ^ !is) |
| THROW(0, 0, | THROW(0, 0, |
| &method_name, | &method_name, |
| Line 344 void Request::fail_if_junction_(bool is, | Line 332 void Request::fail_if_junction_(bool is, |
| char *Request::relative(const char *path, const char *file) { | char *Request::relative(const char *path, const char *file) { |
| char *result=(char *)malloc(strlen(path)+strlen(file)+1); | char *result=(char *)malloc(strlen(path)+strlen(file)+1); |
| strcpy(result, path); | strcpy(result, path); |
| rsplit(result, PATH_DELIMITER_CHAR); | rsplit(result, '/'); |
| strcat(result, PATH_DELIMITER_STRING); | strcat(result, "/"); |
| strcat(result, file); | strcat(result, file); |
| return result; | return result; |
| } | } |
| Line 357 char *Request::absolute(const char *name | Line 345 char *Request::absolute(const char *name |
| strcat(result, name); | strcat(result, name); |
| return result; | return result; |
| } else | } else |
| return relative(info.uri, name); | return relative(info.path_translated, name); |
| } | } |
| void Request::output_result(const String& body_string) { | void Request::output_result(const String& body_string, bool header_only) { |
| // header: response fields | // header: cookies |
| response.fields().foreach(output_response_attribute, /*excluding*/ body_name); | cookie.output_result(); |
| // set default content-type | |
| if(fdefault_content_type) | |
| response.fields().put_dont_replace(*content_type_name, fdefault_content_type); | |
| // prepare header: $response:fields without :body | |
| response.fields().foreach(add_header_attribute, /*excluding*/ body_name); | |
| // prepare... | |
| const char *body=body_string.cstr(); | const char *body=body_string.cstr(); |
| if(size_t content_length=strlen(body)) { | size_t content_length=strlen(body); |
| // header: content-length | |
| // prepare header: content-length | |
| if(content_length) { // useful for redirecting [header "location: http://..."] | |
| char content_length_cstr[MAX_NUMBER]; | char content_length_cstr[MAX_NUMBER]; |
| snprintf(content_length_cstr, MAX_NUMBER, "%d", content_length); | snprintf(content_length_cstr, MAX_NUMBER, "%lu", content_length); |
| (*service_funcs.output_header_attribute)("content-length", | (*service_funcs.add_header_attribute)(pool(), "content-length", content_length_cstr); |
| content_length_cstr); | |
| // body | |
| (*service_funcs.output_body)(body, content_length); | |
| } | } |
| } | |
| // send header | |
| (*service_funcs.send_header)(pool()); | |
| // send body | |
| if(!header_only) | |
| (*service_funcs.send_body)(pool(), body, content_length); | |
| } |