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Diff for /parser3/src/include/pa_exception.h between versions 1.43 and 1.76

version 1.43, 2004/02/11 15:33:13 version 1.76, 2026/04/25 13:38:46
Line 1 Line 1
 /** @file  /** @file
         Parser: exception decls.          Parser: exception decls.
   
         Copyright (c) 2001-2004 ArtLebedev Group (http://www.artlebedev.com)          Copyright (c) 2001-2026 Art. Lebedev Studio (https://www.artlebedev.com)
         Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru)          Authors: Konstantin Morshnev <moko@design.ru>, Alexandr Petrosian <paf@design.ru>
 */  */
   
 #ifndef PA_EXCEPTION_H  #ifndef PA_EXCEPTION_H
 #define PA_EXCEPTION_H  #define PA_EXCEPTION_H
   
 static const char * const IDENT_EXCEPTION_H="$Date$";  #define IDENT_PA_EXCEPTION_H "$Id$"
   
   const char* const PARSER_RUNTIME = "parser.runtime";
   const char* const IMAGE_FORMAT = "image.format";
   const char* const PCRE_EXCEPTION_TYPE = "pcre.execute";
   const char* const DATE_RANGE_EXCEPTION_TYPE = "date.range";
   const char* const BASE64_FORMAT = "base64.format";
   
   const char* const NAME_MUST_BE_STRING = "name must be string";
   const char* const FILE_NAME_MUST_BE_STRING = "file name must be string";
   const char* const FILE_NAME_MUST_BE_STRING_OR_FILE = "file name must be string or file";
   const char* const FILE_NAME_MUST_BE_NE_STRING = "file name must be not empty string";
   const char* const VALUE_MUST_BE_STRING = "value must be string";
   const char* const PARAMETER_MUST_BE_STRING = "parameter must be string";
   const char* const COLUMN_NAME_MUST_BE_STRING = "column name must be string";
   
   const char* const FILE_NAME_MUST_BE_SPECIFIED = "file name must be specified";
   const char* const PARAM_MUST_NOT_BE_CODE = "param must not be code";
   const char* const PARAM_MUST_BE_HASH = "param must be hash";
   const char* const MODE_MUST_BE_STRING = "mode must be string";
   const char* const OPTIONS_MUST_NOT_BE_CODE = "options must not be code";
   
   const char* const CALLED_WITH_INVALID_OPTION = "called with invalid option";
   
 // includes  // includes
   
Line 24  class Exception { Line 46  class Exception {
 public:  public:
   
         Exception();          Exception();
         Exception(          Exception(const char* atype, const String* aproblem_source, const char* comment_fmt, ...);
                 const char* atype,  
                 const String* aproblem_source,   
                 const char* comment_fmt, ...);  
         Exception(const Exception& src);          Exception(const Exception& src);
   
           operator bool() { return ftype || fproblem_source || fcomment; }
         Exception& operator =(const Exception& src);          Exception& operator =(const Exception& src);
   
         /// extracts exception type          /// extracts exception type
         const char* type(bool can_be_empty=false) const {           const char* type(bool can_be_empty=false) const {
                 if(can_be_empty)                  return can_be_empty || ftype ? ftype : "<no type>";
                         return ftype;   
                 else  
                         return ftype?ftype:"<no type>";  
         }          }
   
         /// extracts exception problem_source          /// extracts exception problem_source
         const String* problem_source() const;          const String* problem_source() const;
   
         /// extracts exception comment          /// extracts exception comment
         const char* comment(bool can_be_empty=false) const {           const char* comment(bool can_be_empty=false) const {
                 const char* result=fcomment && *fcomment?fcomment:0;                  const char* result=fcomment && *fcomment ? fcomment : 0;
                 if(can_be_empty)                  return can_be_empty || result ? result : "<no comment>";
                         return result;           }
                 else  
                         return result?result:"<no comment>";          // modifies exception to fine-tune error reporting
           void set_source(const String* aproblem_source) {
                   if(!problem_source())
                           fproblem_source=aproblem_source;
           }
   
           void add_comment(const char* acomment);
   
   #define ALTER_EXCEPTION_SOURCE(code, source)    \
           try {                                   \
                   code;                           \
           } catch (Exception& e) {                \
                   e.set_source(source);           \
                   rethrow;                        \
           }
   
   #define ALTER_EXCEPTION_COMMENT(code, comment)  \
           try {                                   \
                   code;                           \
           } catch (Exception& e) {                \
                   e.add_comment(comment);         \
                   rethrow;                        \
         }          }
   
 protected:  protected:
   
         const char* ftype;          const char* ftype;
         const String* fproblem_source;          const String* fproblem_source;
         char* fcomment;          const char* fcomment;
   
 };  };
   
Removed from v.1.43  
changed lines
  Added in v.1.76

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