--- parser3/src/classes/file.C 2004/03/02 14:56:42 1.121 +++ parser3/src/classes/file.C 2004/08/17 10:00:33 1.129 @@ -5,7 +5,7 @@ Author: Alexandr Petrosian (http://paf.design.ru) */ -static const char * const IDENT_FILE_C="$Date: 2004/03/02 14:56:42 $"; +static const char * const IDENT_FILE_C="$Date: 2004/08/17 10:00:33 $"; #include "pa_config_includes.h" @@ -29,6 +29,7 @@ static const char * const IDENT_FILE_C=" // defines #define TEXT_MODE_NAME "text" +#define BINARY_MODE_NAME "binary" #define STDIN_EXEC_PARAM_NAME "stdin" #define CHARSET_EXEC_PARAM_NAME "charset" @@ -105,13 +106,23 @@ static const String::Body cdate_name("cd // methods +static bool is_text_mode(const String& mode) { + if(mode==TEXT_MODE_NAME) + return true; + if(mode==BINARY_MODE_NAME) + return false; + throw Exception("parser.runtime", + &mode, + "is invalid mode, must be either '"TEXT_MODE_NAME"' or '"BINARY_MODE_NAME"'"); +} + static void _save(Request& r, MethodParams& params) { Value& vmode_name=params. as_no_junction(0, "mode must not be code"); Value& vfile_name=params.as_no_junction(1, "file name must not be code"); // save GET_SELF(r, VFile).save(r.absolute(vfile_name.as_string()), - vmode_name.as_string()==TEXT_MODE_NAME); + is_text_mode(vmode_name.as_string())); } static void _delete(Request& r, MethodParams& params) { @@ -148,7 +159,7 @@ static void _load(Request& r, MethodPara alt_filename_param_index++; File_read_result file=file_read(r.charsets, lfile_name, - vmode_name.as_string()==TEXT_MODE_NAME, + is_text_mode(vmode_name.as_string()), third_param_hash ); @@ -158,7 +169,10 @@ static void _load(Request& r, MethodPara Value* vcontent_type=0; if(file.headers) - vcontent_type=file.headers->get(content_type_name); + { + if(Value* remote_content_type=file.headers->get("CONTENT-TYPE")) + vcontent_type=new VString(*new String(remote_content_type->as_string().cstr())); + } if(!vcontent_type) vcontent_type=new VString(r.mime_type_of(user_file_name)); @@ -224,7 +238,7 @@ static void append_env_pair( throw Exception("parser.runtime", new String(akey, String::L_TAINTED), "not safe environment variable"); - info->env->put(akey, avalue->as_string()); + info->env->put(akey, avalue->as_string().cstr(String::L_UNSPECIFIED)); } } #ifndef DOXYGEN @@ -623,6 +637,95 @@ static void _sql_string(Request& r, Meth r.write_assign_lang(*new String(quoted)); } +#ifndef DOXYGEN +class File_sql_event_handlers: public SQL_Driver_query_event_handlers { + const String& statement_string; const char* statement_cstr; + int got_columns; + int got_cells; +public: + String::C value; + String* user_file_name; + String* user_content_type; +public: + File_sql_event_handlers( + const String& astatement_string, const char* astatement_cstr): + statement_string(astatement_string), statement_cstr(astatement_cstr), + got_columns(0), + got_cells(0), + user_file_name(0), + user_content_type(0) {} + + bool add_column(SQL_Error& error, const char* /*str*/, size_t /*length*/) { + if(got_columns++==3) { + error=SQL_Error("parser.runtime", "result must contain not more then 3 columns"); + return true; + } + return false; + } + bool before_rows(SQL_Error& /*error*/ ) { /* ignore */ return false; } + bool add_row(SQL_Error& /*error*/) { /* ignore */ return false; } + bool add_row_cell(SQL_Error& error, const char* str, size_t length) { + try { + switch(got_cells++) { + case 0: + value=String::C(str, length); + break; + case 1: + user_file_name=new String(str, length, true); + break; + case 2: + user_content_type=new String(str, length, true); + break; + default: + error=SQL_Error("parser.runtime", "result must not contain more then one row, three rows"); + return true; + } + return false; + } catch(...) { + error=SQL_Error("exception occured in File_sql_event_handlers::add_row_cell"); + return true; + } + } +}; +#endif +static void _sql(Request& r, MethodParams& params) { + const String* user_file_name=0; + if(params.get(0)->is_string()) + user_file_name=¶ms.get(0)->as_string(); + + Value& statement=params.as_junction(params.count()-1, "statement must be code"); + + Temp_lang temp_lang(r, String::L_SQL); + const String& statement_string=r.process_to_string(statement); + const char* statement_cstr= + statement_string.cstr(String::L_UNSPECIFIED, r.connection()); + File_sql_event_handlers handlers(statement_string, statement_cstr); + r.connection()->query( + statement_cstr, + 0, 0, + 0, 0, + handlers, + statement_string); + + if(!handlers.value) + throw Exception("parser.runtime", + 0, + "produced no result"); + + if(!user_file_name) + user_file_name=handlers.user_file_name; + + const char* user_file_name_cstr=user_file_name? user_file_name->cstr(): 0; + + VString* vcontent_type=handlers.user_content_type? + new VString(*handlers.user_content_type) + : user_file_name_cstr? + new VString(r.mime_type_of(user_file_name_cstr)) + : 0; + VFile& self=GET_SELF(r, VFile); + self.set(true/*tainted*/, handlers.value.str, handlers.value.length, user_file_name_cstr, vcontent_type); +} + // constructor MFile::MFile(): Methoded("file") { @@ -677,4 +780,7 @@ MFile::MFile(): Methoded("file") { // ^file.sql-string[] add_native_method("sql-string", Method::CT_DYNAMIC, _sql_string, 0, 0); + + // ^file::sql[[alt_name]]{} + add_native_method("sql", Method::CT_DYNAMIC, _sql, 1, 2); }