[1076] | 1 | /**********************************************************************
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| 2 | *
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| 3 | * display.cpp -- Context sensitive macro language
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| 4 | * Copyright (C) 1999 The New Zealand Digital Library Project
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| 5 | *
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| 6 | * A component of the Greenstone digital library software
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| 7 | * from the New Zealand Digital Library Project at the
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| 8 | * University of Waikato, New Zealand.
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| 9 | *
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| 10 | * This program is free software; you can redistribute it and/or modify
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| 11 | * it under the terms of the GNU General Public License as published by
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| 12 | * the Free Software Foundation; either version 2 of the License, or
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| 13 | * (at your option) any later version.
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| 14 | *
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| 15 | * This program is distributed in the hope that it will be useful,
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| 16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 18 | * GNU General Public License for more details.
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| 19 | *
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| 20 | * You should have received a copy of the GNU General Public License
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| 21 | * along with this program; if not, write to the Free Software
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| 22 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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| 23 | *
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[1860] | 24 | * $Id: display.cpp 3012 2002-02-26 23:01:31Z jrm21 $
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| 25 | *
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[1076] | 26 | *********************************************************************/
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| 27 |
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[1860] | 28 | /*
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| 29 | $Log$
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[3012] | 30 | Revision 1.26 2002/02/26 23:01:31 jrm21
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| 31 | istream.get(char&) caused funny problems with gcc3 so they've been replaced
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| 32 | with char=istream.get() instead.
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| 33 |
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[2965] | 34 | Revision 1.25 2002/02/12 22:46:47 jrm21
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| 35 | Allow nested _If_ macros. We now count '(' and ')' characters, so you can now
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| 36 | do _If_(_foo_, _If_(_bar_,FOOBAR,FOONOBAR), _If_(_bar_,NOFOOBAR,NOFOONOBAR) )
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| 37 | inside a macro file. If you want to display a bracket, you can escape it.
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| 38 | Previously we had assumed that a ',' marked the end of a toplevel argument.
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| 39 |
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[1860] | 40 | Revision 1.24 2001/01/25 18:26:44 cs025
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| 41 | Included CORBA branch for first time
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| 42 |
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| 43 | Revision 1.17.2.1 2000/04/04 15:02:28 cs025
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| 44 | Corba first commit
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| 45 |
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| 46 | Revision 1.17 2000/02/29 21:00:38 sjboddie
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| 47 | fixed some compiler warnings
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| 48 |
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| 49 | Revision 1.16 1999/11/25 21:53:08 sjboddie
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| 50 | fixed bug in logout
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| 51 |
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| 52 | Revision 1.15 1999/09/24 02:25:35 rjmcnab
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| 53 | removed limitation on the number of arguments that a macro can have
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| 54 |
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| 55 | Revision 1.14 1999/09/07 04:57:41 sjboddie
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| 56 | added gpl notice
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| 57 |
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| 58 | Revision 1.13 1999/08/31 07:59:11 rjmcnab
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| 59 | Generalised spaces to unicode spaces, added ability to automatically detect
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| 60 | whether the input file is Unicode or UTF-8 and read the file in the
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| 61 | appropriate way, and improved the error messages slightly.
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| 62 |
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| 63 | Revision 1.12 1999/07/21 20:46:12 rjmcnab
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| 64 | fixed small bug
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| 65 |
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| 66 | Revision 1.11 1999/07/21 07:26:30 rjmcnab
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| 67 | Added more operators to _If_, changed quoting of parameters so that
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| 68 | ' can be used to quote but it is removed, and made slight optimisation
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| 69 | so that macros that don't contain other macros aren't expanded.
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| 70 |
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| 71 | Revision 1.10 1999/03/01 20:39:54 sjboddie
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| 72 |
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| 73 | Added eq and ne functionality to _If_
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| 74 |
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| 75 | Revision 1.9 1999/03/01 01:18:09 sjboddie
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| 76 |
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| 77 | Fixed bug in _If_ when value being tested was only one character
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| 78 | long (e.g. "0" or "1")
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| 79 |
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| 80 | Revision 1.8 1999/02/28 23:15:29 rjmcnab
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| 81 |
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| 82 | Made _If_ recognise 'false' and '0' as being false.
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| 83 |
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| 84 | Revision 1.7 1999/02/08 01:26:11 rjmcnab
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| 85 |
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| 86 | Improved the error reporting.
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| 87 |
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| 88 | Revision 1.6 1999/01/19 08:30:23 rjmcnab
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| 89 |
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| 90 | Added a method to determine whether a macro has been defined.
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| 91 |
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| 92 | Revision 1.5 1999/01/19 01:38:12 rjmcnab
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| 93 |
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| 94 | Made the source more portable.
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| 95 |
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| 96 | Revision 1.4 1999/01/12 01:50:57 rjmcnab
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| 97 |
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| 98 | Standard header.
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| 99 |
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| 100 | Revision 1.3 1999/01/08 02:33:13 rjmcnab
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| 101 |
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| 102 | Added standard header to source files.
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| 103 |
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| 104 | */
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[1076] | 105 | #include "display.h"
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| 106 | #include "gsdlunicode.h"
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| 107 | #include "unitool.h"
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| 108 | #include <assert.h>
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| 109 |
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| 110 | // include to get NULL
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| 111 | #include <stdlib.h>
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| 112 |
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| 113 |
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| 114 |
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| 115 | /////////////////////////////////////
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| 116 | // misc classes
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| 117 | /////////////////////////////////////
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| 118 |
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| 119 |
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| 120 | // precedencetype defines a 'precedence value' for each parameter
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| 121 | typedef map<text_t, double, lttext_t> precedencetype;
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| 122 |
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| 123 |
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| 124 | // macro value structure
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| 125 | struct mvalue
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| 126 | {
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| 127 | text_t filename;
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| 128 | text_t value;
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| 129 | };
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| 130 |
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| 131 | inline bool operator==(const mvalue &x, const mvalue &y) {
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| 132 | return (x.filename==y.filename && x.value==y.value);
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| 133 | }
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| 134 |
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| 135 | inline bool operator<(const mvalue &x, const mvalue &y) {
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| 136 | return (x.filename<y.filename ||
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| 137 | (x.filename==y.filename && x.filename<y.filename));
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| 138 | }
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| 139 |
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| 140 |
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| 141 |
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| 142 | /////////////////////////////////////
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| 143 | // stuff for defaultmacros_t
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| 144 | /////////////////////////////////////
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| 145 |
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| 146 | typedef map<text_t, mvalue, lttext_t> defparammap;
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| 147 | typedef map<text_t, defparammap, lttext_t> defmacromap;
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| 148 | typedef map<text_t, defmacromap, lttext_t> defpackagemap;
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| 149 |
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| 150 | // all methods in defaultmacros_t assume the parameters
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| 151 | // and packages in a standard form and not empty
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| 152 | class defaultmacros_t
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| 153 | {
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| 154 | protected:
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| 155 | defpackagemap macros;
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| 156 |
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| 157 | public:
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| 158 | typedef defpackagemap::const_iterator const_package_iterator;
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| 159 | typedef defpackagemap::size_type package_size_type;
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| 160 |
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| 161 | // setmacro returns 0 if there was no error,
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| 162 | // -1 if it redefined a macro
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| 163 | // -2 if it hid a Global macro
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| 164 | // -3 if it redefined a macro and hid a Global macro
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| 165 | // -4 if either a package, macroname, or params were not supplied
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| 166 | int setmacro(const text_t &package,
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| 167 | const text_t ¯oname,
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| 168 | const text_t ¶ms,
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| 169 | const text_t &filename,
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| 170 | const text_t ¯ovalue);
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| 171 |
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| 172 | void delmacro(const text_t &package,
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| 173 | const text_t ¯oname,
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| 174 | const text_t ¶ms);
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| 175 |
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| 176 | void clear () {macros.erase(macros.begin(), macros.end());}
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| 177 |
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| 178 | // top level stuff
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| 179 | const_package_iterator package_begin () const {return macros.begin();}
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| 180 | const_package_iterator package_end () const {return macros.end();}
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| 181 | bool package_empty () const {return macros.empty();}
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| 182 | package_size_type package_size() const {return macros.size();}
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| 183 |
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| 184 | // methods to find things
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| 185 | defmacromap *package_find (const text_t &packagename);
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| 186 | defparammap *macro_find (const text_t &packagename,
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| 187 | const text_t ¯oname);
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| 188 | mvalue *parameter_find (const text_t &packagename,
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| 189 | const text_t ¯oname,
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| 190 | const text_t ¶metername);
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| 191 | };
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| 192 |
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| 193 |
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| 194 | // setmacro returns 0 if there was no error,
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| 195 | // -1 if it redefined a macro
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| 196 | // -2 if it hid a Global macro
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| 197 | // -3 if it redefined a macro and hid a Global macro
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| 198 | // -4 if either a package, macroname, or params were not supplied
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| 199 | int defaultmacros_t::setmacro(const text_t &package,
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| 200 | const text_t ¯oname,
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| 201 | const text_t ¶ms,
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| 202 | const text_t &filename,
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| 203 | const text_t ¯ovalue)
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| 204 | {
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| 205 | paramhashtype paramhash;
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| 206 |
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| 207 | defmacromap *macromapptr;
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| 208 | defparammap *parammapptr;
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| 209 | mvalue *mvalueptr;
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| 210 |
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| 211 | int warning = 0;
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| 212 |
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| 213 | // check to see if we would be hiding a Global macro with the
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| 214 | // same name. Note: it doesn't matter what parameters are used
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| 215 | // a Global macro will still be hid by a non-Global one with
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| 216 | // the same name.
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| 217 | if ((package != "Global") &&
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| 218 | (macro_find ("Global", macroname) != NULL))
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| 219 | {
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| 220 | warning -= 2; // found the macroname
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| 221 | }
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| 222 |
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| 223 | // define this macro
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| 224 | macromapptr = &(macros[package]); // -- package
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| 225 | parammapptr = &((*macromapptr)[macroname]); // -- macro name
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| 226 | // -- parameters
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| 227 | if ((*parammapptr).find(params) != (*parammapptr).end()) {
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| 228 | warning -= 1; // found the parameters
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| 229 | }
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| 230 | mvalueptr = &((*parammapptr)[params]);
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| 231 |
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| 232 | // -- value
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| 233 | (*mvalueptr).filename = filename;
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| 234 | (*mvalueptr).value = macrovalue;
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| 235 |
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| 236 | return warning;
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| 237 | }
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| 238 |
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| 239 | void defaultmacros_t::delmacro(const text_t &package,
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| 240 | const text_t ¯oname,
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| 241 | const text_t ¶ms)
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| 242 | {
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| 243 | // make sure everything was supplied
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| 244 | if (package.empty() || macroname.empty() || params.empty()) return;
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| 245 |
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| 246 | // find the package and macroname
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| 247 | defparammap *parammapptr = macro_find(package, macroname);
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| 248 | if (parammapptr == NULL) return;
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| 249 |
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| 250 | // find the parameters
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| 251 | defparammap::iterator parammapit = parammapptr->find(params);
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| 252 | if (parammapit == parammapptr->end()) return;
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| 253 |
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| 254 | // finally delete this element
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| 255 | parammapptr->erase(parammapit);
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| 256 | }
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| 257 |
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| 258 | defmacromap *defaultmacros_t::package_find (const text_t &packagename)
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| 259 | {
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| 260 | if (packagename.empty()) return NULL;
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| 261 |
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| 262 | defpackagemap::iterator it = macros.find(packagename);
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| 263 | if (it == macros.end()) return NULL;
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| 264 |
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| 265 | return &((*it).second);
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| 266 | }
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| 267 |
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| 268 | defparammap *defaultmacros_t::macro_find (const text_t &packagename,
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| 269 | const text_t ¯oname)
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| 270 | {
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| 271 | defmacromap *macromapptr = package_find(packagename);
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| 272 | if (macromapptr == NULL || macroname.empty()) return NULL;
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| 273 |
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| 274 | defmacromap::iterator it = (*macromapptr).find(macroname);
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| 275 | if (it == (*macromapptr).end()) return NULL;
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| 276 |
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| 277 | return &((*it).second);
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| 278 | }
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| 279 |
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| 280 | mvalue *defaultmacros_t::parameter_find (const text_t &packagename,
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| 281 | const text_t ¯oname,
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| 282 | const text_t ¶metername)
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| 283 | {
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| 284 | defparammap *parammapptr = macro_find(packagename, macroname);
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| 285 | if (parammapptr == NULL || parametername.empty()) return NULL;
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| 286 |
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| 287 | defparammap::iterator it = (*parammapptr).find(parametername);
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| 288 | if (it == (*parammapptr).end()) return NULL;
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| 289 |
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| 290 | return &((*it).second);
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| 291 | }
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| 292 |
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| 293 |
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| 294 |
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| 295 | /////////////////////////////////////
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| 296 | // stuff for currentmacros_t
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| 297 | /////////////////////////////////////
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| 298 |
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| 299 | typedef map<text_t, mvalue, lttext_t> curmacromap;
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| 300 | typedef map<text_t, curmacromap, lttext_t> curpackagemap;
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| 301 |
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| 302 | // all methods in currentmacros_t assume the parameters
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| 303 | // and packages in a standard form and not empty
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| 304 | class currentmacros_t
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| 305 | {
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| 306 | protected:
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| 307 | curpackagemap macros;
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| 308 |
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| 309 | public:
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| 310 | typedef curpackagemap::const_iterator const_package_iterator;
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| 311 | typedef curpackagemap::size_type package_size_type;
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| 312 |
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| 313 | // setmacro returns 0 if there was no error,
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| 314 | // -1 if it redefined a macro
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| 315 | // -4 if either a package, or macroname were not supplied
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| 316 | int setmacro(const text_t &package,
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| 317 | const text_t ¯oname,
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| 318 | const text_t &filename,
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| 319 | const text_t ¯ovalue);
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| 320 |
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| 321 | void delmacro(const text_t &package,
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| 322 | const text_t ¯oname);
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| 323 |
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| 324 | void clear () {macros.erase(macros.begin(), macros.end());}
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| 325 |
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| 326 | // top level stuff
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| 327 | const_package_iterator package_begin () const {return macros.begin();}
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| 328 | const_package_iterator package_end () const {return macros.end();}
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| 329 | bool package_empty () const {return macros.empty();}
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| 330 | package_size_type package_size() const {return macros.size();}
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| 331 |
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| 332 | // methods to find things
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| 333 | curmacromap *package_find (const text_t &packagename);
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| 334 | mvalue *macro_find (const text_t &packagename,
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| 335 | const text_t ¯oname);
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| 336 | };
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| 337 |
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| 338 |
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| 339 | // setmacro returns 0 if there was no error,
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| 340 | // -1 if it redefined a macro
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| 341 | // -4 if either a package, or macroname were not supplied
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| 342 | int currentmacros_t::setmacro(const text_t &package,
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| 343 | const text_t ¯oname,
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| 344 | const text_t &filename,
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| 345 | const text_t ¯ovalue)
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| 346 | {
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| 347 | int warning = 0;
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| 348 |
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| 349 | // make sure everything was supplied
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| 350 | if (package.empty() || macroname.empty()) return -4;
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| 351 |
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| 352 | // define this macro
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| 353 | curmacromap *macromapptr = &(macros[package]);
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| 354 | if ((*macromapptr).find(macroname) != (*macromapptr).end())
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| 355 | {
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| 356 | warning -= 1; // found the macroname
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| 357 | }
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| 358 | mvalue *mvalueptr = &((*macromapptr)[macroname]);
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| 359 |
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| 360 | // -- value
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| 361 | (*mvalueptr).filename = filename;
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| 362 | (*mvalueptr).value = macrovalue;
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| 363 |
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| 364 | return warning;
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| 365 | }
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| 366 |
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| 367 | void currentmacros_t::delmacro(const text_t &package,
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| 368 | const text_t ¯oname)
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| 369 | {
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| 370 | // make sure everything was supplied
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| 371 | if (package.empty() || macroname.empty()) return;
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| 372 |
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| 373 | // find the package
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| 374 | curmacromap *macromapptr = package_find(package);
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| 375 | if (macromapptr == NULL) return;
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| 376 |
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| 377 | // find the macroname
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| 378 | curmacromap::iterator macromapit = macromapptr->find(macroname);
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| 379 | if (macromapit == macromapptr->end()) return;
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| 380 |
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| 381 | // finally delete this element
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| 382 | macromapptr->erase(macromapit);
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| 383 | }
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| 384 |
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| 385 | curmacromap *currentmacros_t::package_find (const text_t &packagename)
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| 386 | {
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| 387 | if (packagename.empty()) return NULL;
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| 388 |
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| 389 | curpackagemap::iterator it = macros.find(packagename);
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| 390 | if (it == macros.end()) return NULL;
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| 391 |
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| 392 | return &((*it).second);
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| 393 | }
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| 394 |
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| 395 | mvalue *currentmacros_t::macro_find (const text_t &packagename,
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| 396 | const text_t ¯oname)
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| 397 | {
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| 398 | curmacromap *macromapptr = package_find(packagename);
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| 399 | if (macromapptr == NULL || macroname.empty()) return NULL;
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| 400 |
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| 401 | curmacromap::iterator it = (*macromapptr).find(macroname);
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| 402 | if (it == (*macromapptr).end()) return NULL;
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| 403 |
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| 404 | return &((*it).second);
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| 405 | }
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| 406 |
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| 407 |
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| 408 |
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| 409 |
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| 410 | /////////////////////////////////////
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| 411 | // support functions
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| 412 | /////////////////////////////////////
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| 413 |
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| 414 | // this calculation of precedence will make one occurance of a high
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| 415 | // precedence item override many occurances of lower precedence items
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| 416 | void calcprecedence (const text_t &precedstr, precedencetype &precedhash)
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| 417 | {
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| 418 | text_t param;
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| 419 | double multiple = 5.0;
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| 420 | double nextprec = multiple;
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| 421 |
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| 422 | text_t::const_iterator here, end;
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| 423 |
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| 424 | // set precedhash to an empty hash
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| 425 | precedhash.erase(precedhash.begin(), precedhash.end());
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| 426 |
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| 427 | // iterate through paramstring ignoring space and extracting
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| 428 | // out key value pairs.
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| 429 | here = precedstr.begin();
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| 430 | end = precedstr.end();
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| 431 | while (here != end)
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| 432 | {
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| 433 | // get the next parameter
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| 434 | param.clear(); // set param to an empty string
|
---|
| 435 |
|
---|
| 436 | while (here != end)
|
---|
| 437 | {
|
---|
| 438 | if (*here == ',')
|
---|
| 439 | {
|
---|
| 440 | // found the end of the parameter
|
---|
| 441 | here++;
|
---|
| 442 | break;
|
---|
| 443 | }
|
---|
| 444 | else if (*here == ' ')
|
---|
| 445 | {
|
---|
| 446 | // do nothing (ignore spaces)
|
---|
| 447 | }
|
---|
| 448 | else
|
---|
| 449 | {
|
---|
| 450 | // character in parameter
|
---|
| 451 | param.push_back (*here); // copy this character
|
---|
| 452 | }
|
---|
| 453 |
|
---|
| 454 | here++;
|
---|
| 455 | }
|
---|
| 456 |
|
---|
| 457 | // if a parameter was found insert its value
|
---|
| 458 | if (!param.empty())
|
---|
| 459 | {
|
---|
| 460 | precedhash[param] = nextprec;
|
---|
| 461 | nextprec *= multiple;
|
---|
| 462 | }
|
---|
| 463 | }
|
---|
| 464 | }
|
---|
| 465 |
|
---|
| 466 |
|
---|
| 467 | // decides how specific any given parameter is to the page parameters. Returns
|
---|
| 468 | // negative if any options are different or else the sum of the precedence for
|
---|
| 469 | // the options which match.
|
---|
| 470 | double getspecificness(const paramhashtype &pageparams,
|
---|
| 471 | const paramhashtype &theseparams,
|
---|
| 472 | const precedencetype &precedhash)
|
---|
| 473 | {
|
---|
| 474 | double specificness = 0.0;
|
---|
| 475 | paramhashtype::const_iterator here, pagevalueit;
|
---|
| 476 | precedencetype::const_iterator precedit;
|
---|
| 477 | text_t thesekey, thesevalue, constignore("ignore");
|
---|
| 478 |
|
---|
| 479 | here = theseparams.begin();
|
---|
| 480 | while (here != theseparams.end())
|
---|
| 481 | {
|
---|
| 482 | thesekey = (*here).first;
|
---|
| 483 | thesevalue = (*here).second;
|
---|
| 484 |
|
---|
| 485 | if (thesekey == constignore)
|
---|
| 486 | {
|
---|
| 487 | // do nothing, this is a placeholder
|
---|
| 488 | }
|
---|
| 489 | else
|
---|
| 490 | {
|
---|
| 491 | pagevalueit = pageparams.find(thesekey);
|
---|
| 492 | if ((pagevalueit != pageparams.end()) &&
|
---|
| 493 | ((*pagevalueit).second == thesevalue))
|
---|
| 494 | {
|
---|
| 495 | // this parameter fits, add its precedence value
|
---|
| 496 | precedit = precedhash.find(thesekey);
|
---|
| 497 | if (precedit == precedhash.end())
|
---|
| 498 | specificness += 1.0; // no precedence defined
|
---|
| 499 | else
|
---|
| 500 | specificness += (*precedit).second;
|
---|
| 501 | }
|
---|
| 502 | else
|
---|
| 503 | {
|
---|
| 504 | return -1.0; // did not match
|
---|
| 505 | }
|
---|
| 506 | }
|
---|
| 507 |
|
---|
| 508 | here++;
|
---|
| 509 | }
|
---|
| 510 |
|
---|
| 511 | return specificness;
|
---|
| 512 | }
|
---|
| 513 |
|
---|
| 514 |
|
---|
| 515 | void splitparams (const text_t ¶mstring, paramhashtype ¶mhash)
|
---|
| 516 | {
|
---|
| 517 | text_t key;
|
---|
| 518 | text_t value;
|
---|
| 519 |
|
---|
| 520 | text_t::const_iterator here, end;
|
---|
| 521 |
|
---|
| 522 | // set paramhash to an empty hash
|
---|
| 523 | paramhash.erase(paramhash.begin(), paramhash.end());
|
---|
| 524 |
|
---|
| 525 | // iterate through paramstring ignoring space and extracting
|
---|
| 526 | // out key value pairs.
|
---|
| 527 | here = paramstring.begin();
|
---|
| 528 | end = paramstring.end();
|
---|
| 529 | while (here != end)
|
---|
| 530 | {
|
---|
| 531 | // reset key and value
|
---|
| 532 | key.clear();
|
---|
| 533 | value.clear();
|
---|
| 534 |
|
---|
| 535 | // get key
|
---|
| 536 | while (here != end)
|
---|
| 537 | {
|
---|
| 538 | if (*here == ',')
|
---|
| 539 | {
|
---|
| 540 | // have a key with no value
|
---|
| 541 | break;
|
---|
| 542 | }
|
---|
| 543 | else if (*here == '=')
|
---|
| 544 | {
|
---|
| 545 | // found the end of the key
|
---|
| 546 | here ++;
|
---|
| 547 | break;
|
---|
| 548 | }
|
---|
| 549 | else if (*here == ' ')
|
---|
| 550 | {
|
---|
| 551 | // do nothing (ignore spaces)
|
---|
| 552 | }
|
---|
| 553 | else
|
---|
| 554 | {
|
---|
| 555 | // character in key
|
---|
| 556 | key.push_back (*here); // copy this character
|
---|
| 557 | }
|
---|
| 558 | here ++;
|
---|
| 559 | }
|
---|
| 560 |
|
---|
| 561 | // get value
|
---|
| 562 | while (here != end)
|
---|
| 563 | {
|
---|
| 564 | if (*here == '=')
|
---|
| 565 | {
|
---|
| 566 | // multiple values for one key, ignore previous
|
---|
| 567 | // values
|
---|
| 568 | value.clear();
|
---|
| 569 | }
|
---|
| 570 | else if (*here == ',')
|
---|
| 571 | {
|
---|
| 572 | // found the end of the value
|
---|
| 573 | here ++;
|
---|
| 574 | break;
|
---|
| 575 | }
|
---|
| 576 | else if (*here == ' ')
|
---|
| 577 | {
|
---|
| 578 | // do nothing (ignore spaces)
|
---|
| 579 | }
|
---|
| 580 | else
|
---|
| 581 | {
|
---|
| 582 | // character in value
|
---|
| 583 | value.push_back (*here); // copy this character
|
---|
| 584 | }
|
---|
| 585 | here ++;
|
---|
| 586 | }
|
---|
| 587 |
|
---|
| 588 | // if a key was found insert the key/value pair in
|
---|
| 589 | // the map
|
---|
| 590 | if (!key.empty())
|
---|
| 591 | {
|
---|
| 592 | paramhash[key] = value;
|
---|
| 593 | }
|
---|
| 594 | }
|
---|
| 595 | }
|
---|
| 596 |
|
---|
| 597 |
|
---|
| 598 | void joinparams (const paramhashtype ¶mhash, text_t ¶mstring)
|
---|
| 599 | {
|
---|
| 600 | //set paramstring to an empty string
|
---|
| 601 | paramstring.clear();
|
---|
| 602 |
|
---|
| 603 | //iterate through the paramhash
|
---|
| 604 | paramhashtype::const_iterator thepair;
|
---|
| 605 | int firstparam = 1;
|
---|
| 606 |
|
---|
| 607 | for (thepair=paramhash.begin();thepair!=paramhash.end(); thepair++)
|
---|
| 608 | {
|
---|
| 609 | if (!firstparam) paramstring.push_back(',');
|
---|
| 610 | firstparam = 0;
|
---|
| 611 |
|
---|
| 612 | // insert pairs of "key=value"
|
---|
| 613 | text_t thevalue;
|
---|
| 614 | paramstring.append((*thepair).first);
|
---|
| 615 | paramstring.push_back('=');
|
---|
| 616 | paramstring.append((*thepair).second);
|
---|
| 617 | }
|
---|
| 618 | }
|
---|
| 619 |
|
---|
| 620 |
|
---|
| 621 |
|
---|
| 622 | /////////////////////////////////////
|
---|
| 623 | // parsing support functions
|
---|
| 624 | /////////////////////////////////////
|
---|
| 625 |
|
---|
| 626 | inline int my_isalpha (unsigned short c)
|
---|
| 627 | {
|
---|
| 628 | return ((c >= 'A' && c <= 'Z') ||
|
---|
| 629 | (c >= 'a' && c <= 'z'));
|
---|
| 630 | }
|
---|
| 631 |
|
---|
| 632 |
|
---|
| 633 |
|
---|
| 634 | inline unsigned short my_ttnextchar (text_t::const_iterator &here,
|
---|
| 635 | text_t::const_iterator &end)
|
---|
| 636 | {
|
---|
| 637 | if (here != end)
|
---|
| 638 | {
|
---|
| 639 | here++;
|
---|
| 640 | if (here != end) return (*here);
|
---|
| 641 | }
|
---|
| 642 | return '\0';
|
---|
| 643 | }
|
---|
| 644 |
|
---|
| 645 |
|
---|
| 646 |
|
---|
| 647 | /////////////////////////////////////
|
---|
| 648 | // methods for display
|
---|
| 649 | /////////////////////////////////////
|
---|
| 650 |
|
---|
| 651 | // public methods for display
|
---|
| 652 |
|
---|
| 653 | displayclass::displayclass ()
|
---|
| 654 | {
|
---|
| 655 | defaultmacros = new defaultmacros_t;
|
---|
| 656 | defaultfiles = new fileinfomap;
|
---|
| 657 |
|
---|
| 658 | orderparamlist = new paramspeclist;
|
---|
| 659 | currentmacros = new currentmacros_t;
|
---|
| 660 |
|
---|
| 661 | outc = NULL;
|
---|
| 662 |
|
---|
| 663 | logout = &cerr;
|
---|
| 664 | }
|
---|
| 665 |
|
---|
| 666 |
|
---|
| 667 | displayclass::~displayclass ()
|
---|
| 668 | {
|
---|
| 669 | delete defaultmacros;
|
---|
| 670 | delete defaultfiles;
|
---|
| 671 |
|
---|
| 672 | delete orderparamlist;
|
---|
| 673 | delete currentmacros;
|
---|
| 674 | }
|
---|
| 675 |
|
---|
| 676 | // setdefaultmacro adds an entry to the list of default macros
|
---|
| 677 | // returns 0 if there was no error,
|
---|
| 678 | // -1 if it redefined a macro
|
---|
| 679 | // -2 if it hid a Global macro
|
---|
| 680 | // -3 if it redefined a macro and hid a Global macro
|
---|
| 681 | // -4 if no macroname was supplied
|
---|
| 682 | int displayclass::setdefaultmacro (text_t package, const text_t ¯oname,
|
---|
| 683 | text_t params, const text_t ¯ovalue)
|
---|
| 684 | {
|
---|
| 685 | return setdefaultmacro (macroname, package, params, macrovalue, "memory");
|
---|
| 686 | }
|
---|
| 687 |
|
---|
| 688 |
|
---|
| 689 |
|
---|
| 690 | // as we are using one character lookahead the
|
---|
| 691 | // value of line might be off by one.
|
---|
| 692 | // the input file must be in the utf-8 or unicode format
|
---|
| 693 | // initially for each file isunicode should be set to 0 and
|
---|
| 694 | // bigendian should be set to 1
|
---|
| 695 | // 0 will be returned when the end of the file has been found
|
---|
[3012] | 696 | unsigned short my_uni_get (/*unistream*/ifstream &fin, int &line,
|
---|
[1076] | 697 | int &isunicode, int &bigendian) {
|
---|
| 698 | unsigned short c = 0;
|
---|
| 699 |
|
---|
| 700 | if (isunicode) {
|
---|
| 701 | // unicode text
|
---|
| 702 | // get the next two characters
|
---|
[1217] | 703 | unsigned char c1 = 0, c2 = 0;
|
---|
| 704 |
|
---|
[3012] | 705 | if (!fin.eof()) c1=fin.get();
|
---|
| 706 | if (!fin.eof()) c2=fin.get();
|
---|
[1076] | 707 | else c1 = 0;
|
---|
| 708 |
|
---|
| 709 | // if they indicate the order get the next character
|
---|
| 710 | // otherwise just get these characters
|
---|
| 711 | if (c1 == 0xff && c2 == 0xfe) {
|
---|
| 712 | bigendian = 0;
|
---|
| 713 | c = my_uni_get (fin, line, isunicode, bigendian);
|
---|
| 714 | } else if (c1 == 0xfe && c2 == 0xff) {
|
---|
| 715 | bigendian = 1;
|
---|
| 716 | c = my_uni_get (fin, line, isunicode, bigendian);
|
---|
| 717 | } else c = (bigendian) ? (c1*256+c2) : (c2*256+c1);
|
---|
| 718 |
|
---|
| 719 | } else {
|
---|
| 720 | // utf-8 text
|
---|
| 721 | // how many characters we get depends on what we find
|
---|
[1217] | 722 | unsigned char c1 = 0, c2 = 0, c3 = 0;
|
---|
[1076] | 723 | while (!fin.eof()) {
|
---|
[3012] | 724 | c1=fin.get();
|
---|
[1076] | 725 | if (c1 == 0xfe || c1 == 0xff) {
|
---|
| 726 | // switch to unicode
|
---|
| 727 | isunicode = 1;
|
---|
[3012] | 728 | if (!fin.eof()) c2=fin.get();
|
---|
[1076] | 729 |
|
---|
| 730 | if (c1 == 0xff && c2 == 0xfe) bigendian = 0;
|
---|
| 731 | else bigendian = 1;
|
---|
| 732 |
|
---|
| 733 | c = my_uni_get (fin, line, isunicode, bigendian);
|
---|
| 734 | break;
|
---|
| 735 |
|
---|
| 736 | } else if (c1 <= 0x7f) {
|
---|
| 737 | // one byte character
|
---|
| 738 | c = c1;
|
---|
| 739 | break;
|
---|
| 740 |
|
---|
| 741 | } else if (c1 >= 0xc0 && c1 <= 0xdf) {
|
---|
| 742 | // two byte character
|
---|
[3012] | 743 | if (!fin.eof()) c2=fin.get();
|
---|
[1076] | 744 | c = ((c1 & 0x1f) << 6) + (c2 & 0x3f);
|
---|
| 745 | break;
|
---|
| 746 |
|
---|
| 747 | } else if (c1 >= 0xe0 && c1 <= 0xef) {
|
---|
| 748 | // three byte character
|
---|
[3012] | 749 | if (!fin.eof()) c2=fin.get();
|
---|
| 750 | if (!fin.eof()) c3=fin.get();
|
---|
[1076] | 751 | c = ((c1 & 0xf) << 12) + ((c2 & 0x3f) << 6) + (c3 & 0x3f);
|
---|
| 752 | break;
|
---|
| 753 | }
|
---|
| 754 |
|
---|
| 755 | // if we get here there was an error in the file, we should
|
---|
| 756 | // be able to recover from it however, maybe the file is in
|
---|
| 757 | // another encoding
|
---|
| 758 | }
|
---|
| 759 | }
|
---|
| 760 |
|
---|
| 761 | if (c == '\n') line++;
|
---|
| 762 | return c;
|
---|
| 763 | }
|
---|
| 764 |
|
---|
| 765 |
|
---|
| 766 |
|
---|
| 767 | // loads a default macro file (if it isn't already loaded)
|
---|
| 768 | // returns 0 if didn't need to load the file (it was already loaded)
|
---|
| 769 | // 1 if was (re)loaded
|
---|
| 770 | // -1 an error occurred while trying to load the file
|
---|
| 771 | int displayclass::loaddefaultmacros (text_t thisfilename) {
|
---|
| 772 | // convert the filename to a C string
|
---|
| 773 | char *filenamestr = thisfilename.getcstr();
|
---|
| 774 | outconvertclass text_t2ascii;
|
---|
| 775 |
|
---|
| 776 | // see if we need to open this file -- this isn't implemented yet
|
---|
| 777 |
|
---|
| 778 | // open the file
|
---|
[3012] | 779 | // unistream fin (filenamestr);
|
---|
| 780 | ifstream fin (filenamestr);
|
---|
[1217] | 781 |
|
---|
[1076] | 782 | if (fin.fail()) return -1; // read failed
|
---|
| 783 |
|
---|
| 784 | text_t package = "Global";
|
---|
| 785 | int line = 1;
|
---|
| 786 | int isunicode = 0, bigendian = 1;
|
---|
| 787 |
|
---|
| 788 | // pre-fetch the next character
|
---|
| 789 | unsigned short c = my_uni_get(fin, line, isunicode, bigendian);
|
---|
| 790 |
|
---|
| 791 | text_t macropackage, macroname, macroparameters, macrovalue;
|
---|
| 792 | int err; // for keeping track of whether an error occurred somewhere
|
---|
| 793 |
|
---|
| 794 | while (!fin.eof()) {
|
---|
| 795 | // expect: white space, comment, "package", or macroname
|
---|
| 796 | if (is_unicode_space(c)) {
|
---|
| 797 | // found some white-space
|
---|
| 798 | c = my_uni_get(fin, line, isunicode, bigendian);
|
---|
| 799 |
|
---|
| 800 | } else if (c == '#') {
|
---|
| 801 | // found the start of a comment
|
---|
| 802 | // skip all characters up to the end of the line
|
---|
| 803 | c = my_uni_get(fin, line, isunicode, bigendian); // skip the '#'
|
---|
| 804 | while (!fin.eof ()) {
|
---|
| 805 | if (c == '\n') break;
|
---|
| 806 | c = my_uni_get(fin, line, isunicode, bigendian);
|
---|
| 807 | }
|
---|
| 808 |
|
---|
| 809 | } else if (c == 'p') {
|
---|
| 810 | // found the start of 'package' (hopefully)
|
---|
| 811 | // get everything up to the next space
|
---|
| 812 | text_t tmp;
|
---|
| 813 | while (!fin.eof() && my_isalpha(c)) {
|
---|
| 814 | tmp.push_back(c);
|
---|
| 815 | c = my_uni_get(fin, line, isunicode, bigendian);
|
---|
| 816 | }
|
---|
| 817 | // see if we have a package name
|
---|
| 818 | if (tmp == "package") {
|
---|
| 819 | // skip all white space
|
---|
| 820 | while (!fin.eof() && is_unicode_space(c))
|
---|
| 821 | c = my_uni_get(fin, line, isunicode, bigendian);
|
---|
| 822 |
|
---|
| 823 | // get the package name
|
---|
| 824 | tmp.clear(); // init tmp
|
---|
| 825 | while (!fin.eof() && my_isalpha(c)) {
|
---|
| 826 | tmp.push_back(c);
|
---|
| 827 | c = my_uni_get(fin, line, isunicode, bigendian);
|
---|
| 828 | }
|
---|
| 829 | package = tmp;
|
---|
| 830 | if (package.empty()) package = "Global";
|
---|
| 831 |
|
---|
| 832 | } else {
|
---|
| 833 | // error
|
---|
| 834 | if (logout != NULL) {
|
---|
| 835 | (*logout) << text_t2ascii << "Expected 'package' on line " << line
|
---|
| 836 | << " of " << thisfilename << "\n";
|
---|
| 837 | }
|
---|
| 838 | }
|
---|
| 839 |
|
---|
| 840 | } else if (c == '_') {
|
---|
| 841 | // found the start of a macro (hopefully)
|
---|
| 842 | c = my_uni_get(fin, line, isunicode, bigendian); // skip the _
|
---|
| 843 |
|
---|
| 844 | // init variables
|
---|
| 845 | err = 0;
|
---|
| 846 | macropackage = package;
|
---|
| 847 | macroname.clear(); // init macroname
|
---|
| 848 | macroparameters.clear(); // init macroname
|
---|
| 849 | macrovalue.clear(); // init macroname
|
---|
| 850 |
|
---|
| 851 | // get the macro name
|
---|
| 852 | while ((!fin.eof()) && (!is_unicode_space(c)) &&
|
---|
| 853 | (c != '\\') && (c != '_') &&(c != ':') &&
|
---|
| 854 | (macroname.size() < 80)) {
|
---|
| 855 | macroname.push_back(c);
|
---|
| 856 | c = my_uni_get(fin, line, isunicode, bigendian);
|
---|
| 857 | }
|
---|
| 858 |
|
---|
| 859 | if (c == ':') {
|
---|
| 860 | // we actually had the macro package
|
---|
| 861 | c = my_uni_get(fin, line, isunicode, bigendian); // skip :
|
---|
| 862 | macropackage = macroname;
|
---|
| 863 | macroname.clear ();
|
---|
| 864 |
|
---|
| 865 | // get the macro name (honest!)
|
---|
| 866 | while ((!fin.eof()) && (!is_unicode_space(c)) &&
|
---|
| 867 | (c != '\\') && (c != '_') &&(c != ':') &&
|
---|
| 868 | (macroname.size() < 80)) {
|
---|
| 869 | macroname.push_back(c);
|
---|
| 870 | c = my_uni_get(fin, line, isunicode, bigendian);
|
---|
| 871 | }
|
---|
| 872 | }
|
---|
| 873 |
|
---|
| 874 | if (!err && c == '_') {
|
---|
| 875 | c = my_uni_get(fin, line, isunicode, bigendian); // skip the _
|
---|
| 876 |
|
---|
| 877 | // skip all white space
|
---|
| 878 | while (!fin.eof() && is_unicode_space(c)) c = my_uni_get(fin, line, isunicode, bigendian);
|
---|
| 879 | } else if (!err) err = 1;
|
---|
| 880 |
|
---|
| 881 | // get the macro parameters (optional)
|
---|
| 882 | if (!err && c == '[') {
|
---|
| 883 | c = my_uni_get(fin, line, isunicode, bigendian); // skip the [
|
---|
| 884 | while ((!fin.eof()) && (c != '\n') && (c != '\\') && (c != ']')) {
|
---|
| 885 | macroparameters.push_back(c);
|
---|
| 886 | c = my_uni_get(fin, line, isunicode, bigendian);
|
---|
| 887 | }
|
---|
| 888 |
|
---|
| 889 | if (c == ']') {
|
---|
| 890 | c = my_uni_get(fin, line, isunicode, bigendian); // skip the ]
|
---|
| 891 |
|
---|
| 892 | // skip all white space
|
---|
| 893 | while (!fin.eof() && is_unicode_space(c)) c = my_uni_get(fin, line, isunicode, bigendian);
|
---|
| 894 | }
|
---|
| 895 | else if (!err) err = 2;
|
---|
| 896 | }
|
---|
| 897 |
|
---|
| 898 | // get the macro value
|
---|
| 899 | if (!err && c == '{') {
|
---|
| 900 | c = my_uni_get(fin, line, isunicode, bigendian); // skip the {
|
---|
| 901 | while ((!fin.eof()) && (c != '}')) {
|
---|
| 902 | if (c == '\\') {
|
---|
| 903 | macrovalue.push_back(c); // keep the '\'
|
---|
| 904 | c = my_uni_get(fin, line, isunicode, bigendian); // store the *next* value regardless
|
---|
| 905 | if (!fin.eof()) macrovalue.push_back(c);
|
---|
| 906 | c = my_uni_get(fin, line, isunicode, bigendian);
|
---|
| 907 | }
|
---|
| 908 | macrovalue.push_back(c);
|
---|
| 909 | c = my_uni_get(fin, line, isunicode, bigendian);
|
---|
| 910 | }
|
---|
| 911 |
|
---|
| 912 | if (c == '}') {
|
---|
| 913 | c = my_uni_get(fin, line, isunicode, bigendian); // skip the }
|
---|
| 914 |
|
---|
| 915 | // define the macro
|
---|
| 916 | err = setdefaultmacro (macropackage, macroname, macroparameters,
|
---|
| 917 | thisfilename, macrovalue);
|
---|
| 918 | if ((err == -1 || err == -3) && logout != NULL) {
|
---|
| 919 | (*logout) << text_t2ascii << "Warning: redefinition of _" <<
|
---|
| 920 | package << ":" << macroname << "_[" << macroparameters <<
|
---|
| 921 | "] on line ";
|
---|
| 922 | (*logout) << line;
|
---|
| 923 | (*logout) << text_t2ascii << " of " << thisfilename << "\n";
|
---|
| 924 |
|
---|
| 925 | } else if (err == -2 && logout != NULL) {
|
---|
[1495] | 926 | // I don't think we really want this warning since it's a very
|
---|
| 927 | // common occurance - Stefan.
|
---|
[1076] | 928 |
|
---|
[1495] | 929 | // (*logout) << text_t2ascii << "Warning: _" <<
|
---|
| 930 | // package << ":" << macroname << "_[" << macroparameters <<
|
---|
| 931 | // "] on line ";
|
---|
| 932 | // (*logout) << line;
|
---|
| 933 | // (*logout) << text_t2ascii << " of " <<
|
---|
| 934 | // thisfilename << " hides a Global macro with the same name\n";
|
---|
| 935 |
|
---|
[1076] | 936 | } else if (err == -4 && logout != NULL) {
|
---|
| 937 | (*logout) << text_t2ascii << "Error: macro name expected on line ";
|
---|
| 938 | (*logout) << line ;
|
---|
| 939 | (*logout) << text_t2ascii << " of " << thisfilename << "\n";
|
---|
| 940 | }
|
---|
| 941 |
|
---|
| 942 | err = 0; // for the test below
|
---|
| 943 | }
|
---|
| 944 | else if (!err) err = 3;
|
---|
| 945 | }
|
---|
| 946 | else if (!err) err = 4;
|
---|
| 947 |
|
---|
| 948 | if (err) {
|
---|
| 949 | // found an error, skip to the end of the line
|
---|
| 950 | if (logout != NULL) {
|
---|
| 951 | (*logout) << text_t2ascii << "Error: ";
|
---|
| 952 | if (err == 1) (*logout) << text_t2ascii << "'_'";
|
---|
| 953 | else if (err == 2) (*logout) << text_t2ascii << "']'";
|
---|
| 954 | else if (err == 3) (*logout) << text_t2ascii << "'}'";
|
---|
| 955 | else if (err == 4) (*logout) << text_t2ascii << "'{'";
|
---|
| 956 | (*logout) << text_t2ascii << " expected on line ";
|
---|
| 957 | (*logout) << line ;
|
---|
| 958 | (*logout) << text_t2ascii << " of " << thisfilename << "\n";
|
---|
| 959 | }
|
---|
| 960 | while (!fin.eof ()) {
|
---|
| 961 | if (c == '\n') break;
|
---|
| 962 | c = my_uni_get(fin, line, isunicode, bigendian);
|
---|
| 963 | }
|
---|
| 964 | }
|
---|
| 965 |
|
---|
| 966 | } else {
|
---|
| 967 | // found an error, skip to the end of the line
|
---|
| 968 | if (logout != NULL) {
|
---|
| 969 | (*logout) << text_t2ascii << "Error: Unexpected input on line " << line
|
---|
| 970 | << " of " << thisfilename << "\n";
|
---|
| 971 | }
|
---|
| 972 | while (!fin.eof ()) {
|
---|
| 973 | if (c == '\n') break;
|
---|
| 974 | c = my_uni_get(fin, line, isunicode, bigendian);
|
---|
| 975 | }
|
---|
| 976 |
|
---|
| 977 | }
|
---|
| 978 | }
|
---|
| 979 |
|
---|
| 980 | fin.close ();
|
---|
| 981 |
|
---|
| 982 | // free up memory
|
---|
| 983 | delete filenamestr;
|
---|
| 984 | return 0;
|
---|
| 985 | }
|
---|
| 986 |
|
---|
| 987 |
|
---|
| 988 | // prepares to create a page.
|
---|
| 989 | void displayclass::openpage (const text_t &thispageparams,
|
---|
| 990 | const text_t &thisprecedence)
|
---|
| 991 | {
|
---|
| 992 | // init variables
|
---|
| 993 | currentmacros->clear();
|
---|
| 994 |
|
---|
| 995 | // reload any default macro files which have changed.
|
---|
| 996 | if (checkdefaultmacrofiles() < 0)
|
---|
| 997 | {
|
---|
| 998 | // print error message
|
---|
| 999 | }
|
---|
| 1000 |
|
---|
| 1001 | setpageparams (thispageparams, thisprecedence);
|
---|
| 1002 | }
|
---|
| 1003 |
|
---|
| 1004 |
|
---|
| 1005 | // changes the parameters for the current page.
|
---|
| 1006 | void displayclass::setpageparams (text_t thispageparams,
|
---|
| 1007 | text_t thisprecedence)
|
---|
| 1008 | {
|
---|
| 1009 | paramhashtype thissplitparams, splittheseparams;
|
---|
| 1010 | precedencetype precedhash;
|
---|
| 1011 | text_tset::iterator text_tsetit;
|
---|
| 1012 | paramspec tmpps;
|
---|
| 1013 |
|
---|
| 1014 | precedence = thisprecedence;
|
---|
| 1015 | calcprecedence(thisprecedence, precedhash);
|
---|
| 1016 |
|
---|
| 1017 | splitparams(thispageparams, thissplitparams);
|
---|
| 1018 | joinparams(thissplitparams, thispageparams);
|
---|
| 1019 | params = thispageparams;
|
---|
| 1020 |
|
---|
| 1021 | // get a list of parameters with their specificness
|
---|
| 1022 | orderparamlist->erase(orderparamlist->begin(), orderparamlist->end());
|
---|
| 1023 | for (text_tsetit=allparams.begin();
|
---|
| 1024 | text_tsetit!=allparams.end();
|
---|
| 1025 | text_tsetit++)
|
---|
| 1026 | {
|
---|
| 1027 | tmpps.param = (*text_tsetit);
|
---|
| 1028 | splitparams(tmpps.param, splittheseparams);
|
---|
| 1029 | tmpps.spec = getspecificness(thissplitparams, splittheseparams, precedhash);
|
---|
| 1030 | if (tmpps.spec >= 0)
|
---|
| 1031 | {
|
---|
| 1032 | orderparamlist->push_back (tmpps);
|
---|
| 1033 | }
|
---|
| 1034 | }
|
---|
| 1035 |
|
---|
| 1036 | // sort the list
|
---|
| 1037 | sort(orderparamlist->begin(), orderparamlist->end());
|
---|
| 1038 |
|
---|
| 1039 | // paramspeclist::iterator pshere = orderparamlist->begin();
|
---|
| 1040 | // paramspeclist::iterator psend = orderparamlist->end();
|
---|
| 1041 | // while (pshere != psend)
|
---|
| 1042 | // {
|
---|
| 1043 | // cerr << text_t2ascii << "param=" << (*pshere).param;
|
---|
| 1044 | // cerr << " spec=" << (int)((*pshere).spec) << "\n";
|
---|
| 1045 | // pshere++;
|
---|
| 1046 | // }
|
---|
| 1047 | }
|
---|
| 1048 |
|
---|
| 1049 |
|
---|
| 1050 | // overrides (or sets) a macro for the current page.
|
---|
| 1051 | // returns 0 if there was no error,
|
---|
| 1052 | // -1 if it redefined a macro
|
---|
| 1053 | // -4 if no macroname was supplied
|
---|
| 1054 | int displayclass::setmacro (const text_t ¯oname,
|
---|
| 1055 | text_t package,
|
---|
| 1056 | const text_t ¯ovalue)
|
---|
| 1057 | {
|
---|
| 1058 | // make sure a macroname was supplied
|
---|
| 1059 | if (macroname.empty()) return -4;
|
---|
| 1060 |
|
---|
| 1061 | // make package "Global" if it doesn't point to anything yet
|
---|
| 1062 | if (package.empty()) package = "Global";
|
---|
| 1063 |
|
---|
| 1064 | // set the macro
|
---|
| 1065 | return currentmacros->setmacro(package, macroname, "memory", macrovalue);
|
---|
| 1066 | }
|
---|
| 1067 |
|
---|
| 1068 |
|
---|
| 1069 | void displayclass::expandstring (const text_t &inputtext, text_t &outputtext)
|
---|
| 1070 | {
|
---|
| 1071 | expandstring("", inputtext, outputtext);
|
---|
| 1072 | }
|
---|
| 1073 |
|
---|
| 1074 |
|
---|
| 1075 | void displayclass::expandstring (text_t package, const text_t &inputtext,
|
---|
| 1076 | text_t &outputtext, int recursiondepth)
|
---|
| 1077 | {
|
---|
| 1078 | text_t macroname, macropackage, macroargs;
|
---|
| 1079 | text_t::const_iterator tthere = inputtext.begin();
|
---|
| 1080 | text_t::const_iterator ttend = inputtext.end();
|
---|
| 1081 | unsigned short c = '\0';
|
---|
[2965] | 1082 | int openbrackets=0;
|
---|
[1076] | 1083 |
|
---|
| 1084 | if (package.empty()) package = "Global";
|
---|
| 1085 |
|
---|
| 1086 | outputtext.clear();
|
---|
| 1087 | // use one-character lookahead
|
---|
| 1088 | if (tthere != ttend) c = (*tthere);
|
---|
| 1089 | while (tthere != ttend)
|
---|
| 1090 | {
|
---|
| 1091 | if (c == '\\')
|
---|
| 1092 | {
|
---|
| 1093 | // found an escape character
|
---|
| 1094 | c = my_ttnextchar (tthere, ttend); // skip the escape character
|
---|
| 1095 | if (tthere != ttend)
|
---|
| 1096 | {
|
---|
| 1097 | if (c == 'n') outputtext.push_back('\n');
|
---|
| 1098 | else if (c == 't') outputtext.push_back('\t');
|
---|
| 1099 | else outputtext.push_back(c);
|
---|
| 1100 | }
|
---|
| 1101 | c = my_ttnextchar (tthere, ttend);
|
---|
| 1102 |
|
---|
| 1103 | }
|
---|
| 1104 | else if (c == '_')
|
---|
| 1105 | {
|
---|
| 1106 | // might have found the start of a macro
|
---|
| 1107 |
|
---|
| 1108 | // embedded macros (macros within the names
|
---|
| 1109 | // of other macros) are no longer supported -- Rodger.
|
---|
| 1110 |
|
---|
| 1111 | // save the current state (in case we need to back out)
|
---|
| 1112 | text_t::const_iterator savedtthere = tthere;
|
---|
| 1113 | unsigned short savedc = c;
|
---|
| 1114 |
|
---|
| 1115 | macroname.clear();
|
---|
| 1116 | macropackage = package;
|
---|
| 1117 | macroargs.clear();
|
---|
| 1118 |
|
---|
| 1119 | c = my_ttnextchar (tthere, ttend); // skip the '_'
|
---|
| 1120 |
|
---|
| 1121 | // get the macroname
|
---|
| 1122 | while (tthere != ttend && (!is_unicode_space(c)) &&
|
---|
| 1123 | (c != '\\') && (c != '_') &&(c != ':') &&
|
---|
| 1124 | (macroname.size() < 80))
|
---|
| 1125 | {
|
---|
| 1126 | macroname.push_back((unsigned char)c);
|
---|
| 1127 | c = my_ttnextchar (tthere, ttend);
|
---|
| 1128 | }
|
---|
| 1129 |
|
---|
| 1130 | if (c == ':')
|
---|
| 1131 | {
|
---|
| 1132 | // we actually had the macro package
|
---|
| 1133 | c = my_ttnextchar (tthere, ttend);
|
---|
| 1134 | macropackage = macroname;
|
---|
| 1135 | macroname.clear ();
|
---|
| 1136 |
|
---|
| 1137 | // get the macro name (honest!)
|
---|
| 1138 | while ((tthere != ttend) && (!is_unicode_space(c)) &&
|
---|
| 1139 | (c != '\\') && (c != '_') &&(c != ':') &&
|
---|
| 1140 | (macroname.size() < 80))
|
---|
| 1141 | {
|
---|
| 1142 | macroname.push_back((unsigned char)c);
|
---|
| 1143 | c = my_ttnextchar (tthere, ttend);
|
---|
| 1144 | }
|
---|
| 1145 | }
|
---|
| 1146 |
|
---|
| 1147 | if ((tthere != ttend) && (c == '_') &&
|
---|
| 1148 | (macroname.size() > 0))
|
---|
| 1149 | {
|
---|
| 1150 | // found a macro!!!! (maybe)
|
---|
| 1151 | c = my_ttnextchar (tthere, ttend); // skip the '_'
|
---|
| 1152 |
|
---|
| 1153 | // get the parameters (if there are any)
|
---|
| 1154 | if ((tthere != ttend) && (c == '('))
|
---|
| 1155 | {
|
---|
| 1156 | c = my_ttnextchar (tthere, ttend); // skip '('
|
---|
[2965] | 1157 | openbrackets++;
|
---|
[1076] | 1158 | // have to be careful of quotes
|
---|
| 1159 | unsigned short quote = '\0';
|
---|
| 1160 | while (tthere != ttend)
|
---|
| 1161 | {
|
---|
| 1162 | if (c == '\\')
|
---|
| 1163 | {
|
---|
| 1164 | // have an escape character, save escape
|
---|
| 1165 | // character and next character as well
|
---|
| 1166 | macroargs.push_back (c);
|
---|
| 1167 | c = my_ttnextchar (tthere, ttend);
|
---|
| 1168 |
|
---|
| 1169 | }
|
---|
| 1170 | else if (quote == '\0')
|
---|
| 1171 | {
|
---|
| 1172 | // not in a quote at the moment
|
---|
[2965] | 1173 | if (c == '(')
|
---|
[1076] | 1174 | {
|
---|
[2965] | 1175 | openbrackets++;
|
---|
| 1176 | //// macroargs.push_back (c);
|
---|
| 1177 | //// c = my_ttnextchar (tthere, ttend);
|
---|
| 1178 | }
|
---|
| 1179 | else if (c == ')')
|
---|
| 1180 | {
|
---|
| 1181 | openbrackets--;
|
---|
| 1182 | if (openbrackets==0) {
|
---|
| 1183 | // found end of the arguments
|
---|
| 1184 | c = my_ttnextchar (tthere, ttend); // skip ')'
|
---|
| 1185 | break;
|
---|
| 1186 | } else {
|
---|
| 1187 | // nested brackets
|
---|
| 1188 | macroargs.push_back (c);
|
---|
| 1189 | c = my_ttnextchar (tthere, ttend);
|
---|
| 1190 | }
|
---|
[1076] | 1191 | }
|
---|
| 1192 | else if (c == '\'' || c == '\"')
|
---|
| 1193 | {
|
---|
| 1194 | // found a quote
|
---|
| 1195 | quote = c;
|
---|
| 1196 | }
|
---|
| 1197 |
|
---|
| 1198 | }
|
---|
| 1199 | else
|
---|
| 1200 | {
|
---|
| 1201 | // we are in a quote
|
---|
| 1202 | if (c == quote) quote = '\0';
|
---|
| 1203 | }
|
---|
| 1204 |
|
---|
| 1205 | // save this character
|
---|
| 1206 | if (tthere != ttend) macroargs.push_back (c);
|
---|
| 1207 | c = my_ttnextchar (tthere, ttend);
|
---|
[2965] | 1208 | } // while (tthere != ttend)
|
---|
[1076] | 1209 | }
|
---|
| 1210 |
|
---|
| 1211 | //
|
---|
| 1212 | // we now have the macropackage, macroname, and macroargs
|
---|
| 1213 | //
|
---|
| 1214 |
|
---|
| 1215 | // try to expand out this macro
|
---|
| 1216 | text_t expandedmacro;
|
---|
| 1217 | if (macro (macroname, macropackage, macroargs, expandedmacro, recursiondepth))
|
---|
| 1218 | {
|
---|
| 1219 | // append the expanded macro
|
---|
| 1220 | outputtext += expandedmacro;
|
---|
| 1221 | }
|
---|
| 1222 | else
|
---|
| 1223 | {
|
---|
| 1224 | // wasn't a macro
|
---|
| 1225 | tthere = savedtthere;
|
---|
| 1226 | c = savedc;
|
---|
| 1227 | outputtext.push_back(c); // the '_'
|
---|
| 1228 | c = my_ttnextchar (tthere, ttend);
|
---|
| 1229 | }
|
---|
| 1230 |
|
---|
| 1231 |
|
---|
| 1232 | }
|
---|
| 1233 | else
|
---|
| 1234 | {
|
---|
| 1235 | // wasn't a macro
|
---|
| 1236 | tthere = savedtthere;
|
---|
| 1237 | c = savedc;
|
---|
| 1238 | outputtext.push_back(c); // the '_'
|
---|
| 1239 | c = my_ttnextchar (tthere, ttend);
|
---|
| 1240 | }
|
---|
| 1241 |
|
---|
| 1242 | }
|
---|
| 1243 | else
|
---|
| 1244 | {
|
---|
| 1245 | // nothing of interest
|
---|
| 1246 | outputtext.push_back(c); // the '_'
|
---|
| 1247 | c = my_ttnextchar (tthere, ttend);
|
---|
| 1248 | }
|
---|
[2965] | 1249 | } // end of while (tthere != ttend)
|
---|
[1076] | 1250 | }
|
---|
| 1251 |
|
---|
| 1252 | ostream *displayclass::setlogout (ostream *thelogout) {
|
---|
| 1253 |
|
---|
| 1254 | ostream *oldlogout = logout;
|
---|
| 1255 | logout = thelogout;
|
---|
| 1256 | return oldlogout;
|
---|
| 1257 | }
|
---|
| 1258 |
|
---|
| 1259 | // protected methods for display
|
---|
| 1260 |
|
---|
| 1261 | // reloads any default macro files which have changed
|
---|
| 1262 | // returns 0 no errors occurred
|
---|
| 1263 | // -1 an error occurred while trying to load one of the files
|
---|
| 1264 | int displayclass::checkdefaultmacrofiles ()
|
---|
| 1265 | {
|
---|
| 1266 | // this isn't implemented yet
|
---|
| 1267 | return 0;
|
---|
| 1268 | }
|
---|
| 1269 |
|
---|
| 1270 | // isdefaultmacro sees if there is an entry in the list of
|
---|
| 1271 | // default macros with the given package and macro name
|
---|
| 1272 | // returns 0 if no macros in the package or in the global package
|
---|
| 1273 | // were found
|
---|
| 1274 | // 1 if no macros in the package were found but a macro
|
---|
| 1275 | // in the global package was found
|
---|
| 1276 | // 2 if a macro in the given package was found
|
---|
| 1277 | int displayclass::isdefaultmacro (text_t package, const text_t ¯oname) {
|
---|
| 1278 | // make sure a macroname was supplied
|
---|
| 1279 | if (macroname.empty()) return 0;
|
---|
| 1280 |
|
---|
| 1281 | // make package "Global" if it doesn't point to anything yet
|
---|
| 1282 | if (package.empty()) package = "Global";
|
---|
| 1283 |
|
---|
| 1284 | // check the given package
|
---|
| 1285 | if (defaultmacros->macro_find(package, macroname) != NULL) return 2;
|
---|
| 1286 |
|
---|
| 1287 | // check the Global package
|
---|
| 1288 | if (defaultmacros->macro_find("Global", macroname) != NULL) return 1;
|
---|
| 1289 |
|
---|
| 1290 | return 0;
|
---|
| 1291 | }
|
---|
| 1292 |
|
---|
| 1293 |
|
---|
| 1294 | // setdefaultmacro adds an entry to the list of default macros
|
---|
| 1295 | // returns 0 if there was no error,
|
---|
| 1296 | // -1 if it redefined a macro
|
---|
| 1297 | // -2 if it hid a Global macro
|
---|
| 1298 | // -3 if it redefined a macro and hid a Global macro
|
---|
| 1299 | // -4 if no macroname was supplied
|
---|
| 1300 | int displayclass::setdefaultmacro (text_t package, const text_t ¯oname,
|
---|
| 1301 | text_t params, const text_t &filename,
|
---|
| 1302 | const text_t ¯ovalue)
|
---|
| 1303 | {
|
---|
| 1304 | // make sure a macroname was supplied
|
---|
| 1305 | if (macroname.empty()) return -4;
|
---|
| 1306 |
|
---|
| 1307 | // put the parameters in a standard form
|
---|
| 1308 | paramhashtype paramhash;
|
---|
| 1309 | if (params.empty()) params = "ignore=yes";
|
---|
| 1310 | splitparams (params, paramhash);
|
---|
| 1311 | joinparams (paramhash, params);
|
---|
| 1312 |
|
---|
| 1313 | // make package "Global" if it doesn't point to anything yet
|
---|
| 1314 | if (package.empty()) package = "Global";
|
---|
| 1315 |
|
---|
| 1316 | // remember these parameters
|
---|
| 1317 | allparams.insert (params);
|
---|
| 1318 |
|
---|
| 1319 | // remember this filename (this part isn't finished yet -- Rodger).
|
---|
| 1320 |
|
---|
| 1321 | // set the macro
|
---|
| 1322 | return defaultmacros->setmacro(package, macroname, params, filename, macrovalue);
|
---|
| 1323 | }
|
---|
| 1324 |
|
---|
| 1325 |
|
---|
| 1326 | // evaluates a boolean expression
|
---|
| 1327 | // returns false if expr equals "" or "0".
|
---|
| 1328 | // otherwise returns true *unless* expr is
|
---|
| 1329 | // format "XXXX" eq/ne "dddd" in which case
|
---|
| 1330 | // the two quoted strings are compared
|
---|
| 1331 | bool displayclass::boolexpr (text_t package, const text_t &expr, int recursiondepth) {
|
---|
| 1332 |
|
---|
| 1333 | if (expr.empty()) return false;
|
---|
| 1334 |
|
---|
| 1335 | text_t expexpr;
|
---|
| 1336 | if (package.empty()) package = "Global";
|
---|
| 1337 | expandstring (package, expr, expexpr, recursiondepth);
|
---|
| 1338 |
|
---|
| 1339 | if (expexpr.empty() || expexpr == "0") return false;
|
---|
| 1340 | if (expr[0] != '\"') return true;
|
---|
| 1341 |
|
---|
| 1342 | // don't use expexpr while separating quoted parts of
|
---|
| 1343 | // expression just in case expanded out macros contain
|
---|
| 1344 | // quotes
|
---|
| 1345 | text_t::const_iterator here = expr.begin();
|
---|
| 1346 | text_t::const_iterator end = expr.end();
|
---|
| 1347 |
|
---|
| 1348 | int quotecount = 0;
|
---|
| 1349 | text_t string1, expstring1;
|
---|
| 1350 | text_t string2, expstring2;
|
---|
| 1351 | text_t op;
|
---|
| 1352 | text_t combineop;
|
---|
| 1353 | bool result = false; // an empty string is false
|
---|
| 1354 | bool result2 = false;
|
---|
| 1355 |
|
---|
| 1356 | while (here != end) {
|
---|
| 1357 | // get a comparison
|
---|
| 1358 | quotecount = 0;
|
---|
| 1359 | string1.clear();
|
---|
| 1360 | string2.clear();
|
---|
| 1361 | op.clear();
|
---|
| 1362 | while (here != end) {
|
---|
| 1363 | if (*here == '"') quotecount++;
|
---|
| 1364 | else if (quotecount == 1) string1.push_back(*here);
|
---|
| 1365 | else if ((quotecount == 2) && !is_unicode_space (*here))
|
---|
| 1366 | op.push_back(*here);
|
---|
| 1367 | else if (quotecount == 3) string2.push_back(*here);
|
---|
| 1368 | else if (quotecount >= 4) break;
|
---|
| 1369 | here ++;
|
---|
| 1370 | }
|
---|
| 1371 |
|
---|
| 1372 | expandstring (package, string1, expstring1, recursiondepth);
|
---|
| 1373 | expandstring (package, string2, expstring2, recursiondepth);
|
---|
| 1374 |
|
---|
| 1375 | // get next result
|
---|
| 1376 | result2 = true; // any badly formatted string will return true
|
---|
| 1377 | if (op == "eq") result2 = (expstring1 == expstring2);
|
---|
| 1378 | else if (op == "ne") result2 = (expstring1 != expstring2);
|
---|
| 1379 | else if (op == "gt") result2 = (expstring1 > expstring2);
|
---|
| 1380 | else if (op == "ge") result2 = (expstring1 >= expstring2);
|
---|
| 1381 | else if (op == "lt") result2 = (expstring1 < expstring2);
|
---|
| 1382 | else if (op == "le") result2 = (expstring1 <= expstring2);
|
---|
| 1383 | else if (op == "==") result2 = (expstring1.getint() == expstring2.getint());
|
---|
| 1384 | else if (op == "!=") result2 = (expstring1.getint() != expstring2.getint());
|
---|
| 1385 | else if (op == ">") result2 = (expstring1.getint() > expstring2.getint());
|
---|
| 1386 | else if (op == ">=") result2 = (expstring1.getint() >= expstring2.getint());
|
---|
| 1387 | else if (op == "<") result2 = (expstring1.getint() < expstring2.getint());
|
---|
| 1388 | else if (op == "<=") result2 = (expstring1.getint() <= expstring2.getint());
|
---|
| 1389 |
|
---|
| 1390 | // combine the results
|
---|
| 1391 | if (combineop == "&&") result = (result && result2);
|
---|
| 1392 | else if (combineop == "||") result = (result || result2);
|
---|
| 1393 | else result = result2;
|
---|
| 1394 |
|
---|
| 1395 | // get next combination operator
|
---|
| 1396 | combineop.clear();
|
---|
| 1397 | while (here != end && *here != '"') {
|
---|
| 1398 | if (!is_unicode_space(*here)) combineop.push_back(*here);
|
---|
| 1399 | here++;
|
---|
| 1400 | }
|
---|
| 1401 | }
|
---|
| 1402 |
|
---|
| 1403 | return result;
|
---|
| 1404 | }
|
---|
| 1405 |
|
---|
| 1406 |
|
---|
| 1407 | // (recursively) expand out a macro
|
---|
| 1408 | // returns true if the macro was found
|
---|
| 1409 | // false if the macro was not found
|
---|
| 1410 | bool displayclass::macro (const text_t ¯oname, text_t macropackage,
|
---|
| 1411 | const text_t ¯oparam, text_t &outputtext,
|
---|
| 1412 | int recursiondepth)
|
---|
| 1413 | {
|
---|
| 1414 | outconvertclass text_t2ascii;
|
---|
| 1415 | text_tlist splitmacroparam;
|
---|
| 1416 | text_t::const_iterator hereit, endit;
|
---|
| 1417 | text_t aparam;
|
---|
| 1418 | unsigned short c = '\0', quote = '\0';
|
---|
| 1419 |
|
---|
| 1420 | // cerr << "r: " << recursiondepth << "\n";
|
---|
| 1421 | // check for deep recursion
|
---|
| 1422 | if (recursiondepth >= MAXRECURSIONDEPTH)
|
---|
| 1423 | {
|
---|
| 1424 | if (logout != NULL)
|
---|
| 1425 | (*logout) << "Warning: deep recursion, limiting macro expansion\n";
|
---|
| 1426 | return false;
|
---|
| 1427 | }
|
---|
| 1428 |
|
---|
| 1429 | // check the macropackage
|
---|
| 1430 | if (macropackage.empty()) macropackage = "Global";
|
---|
| 1431 |
|
---|
| 1432 | // get the parameters (but don't expand them)
|
---|
| 1433 | if (macroparam.size() > 0) {
|
---|
| 1434 | // set up for loop
|
---|
| 1435 | hereit = macroparam.begin();
|
---|
| 1436 | endit = macroparam.end();
|
---|
| 1437 | if (hereit != endit) c = (*hereit);
|
---|
[2965] | 1438 | int openbrackets=0; // keep track of bracket level eg _If_(1, _macro_(arg))
|
---|
| 1439 | // this allows commas inside brackets (as arguments)
|
---|
[1076] | 1440 | while (hereit != endit) {
|
---|
| 1441 | // get the next parameter
|
---|
| 1442 | aparam.clear();
|
---|
| 1443 | quote = '\0'; // not-quoted unless proven quoted
|
---|
| 1444 |
|
---|
| 1445 | // ignore initial whitespace
|
---|
| 1446 | while ((hereit!=endit)&&is_unicode_space(c)) c=my_ttnextchar(hereit,endit);
|
---|
| 1447 |
|
---|
| 1448 | // look for the end of the parameter
|
---|
| 1449 | while (hereit != endit) {
|
---|
| 1450 | if (c == '\\') {
|
---|
| 1451 | // found escape character, also get next character
|
---|
| 1452 | aparam.push_back(c);
|
---|
| 1453 | c = my_ttnextchar (hereit, endit);
|
---|
| 1454 | if (hereit != endit) aparam.push_back(c);
|
---|
| 1455 |
|
---|
| 1456 | } else if (quote=='\0' && (c=='\'' /*|| c=='"'*/)) {
|
---|
| 1457 | // found a quoted section
|
---|
| 1458 | quote = c;
|
---|
[2965] | 1459 | if (openbrackets>0) aparam.push_back(c);
|
---|
[1076] | 1460 |
|
---|
| 1461 | } else if (quote!='\0' && c==quote) {
|
---|
| 1462 | // found the end of a quote
|
---|
| 1463 | quote = '\0';
|
---|
[2965] | 1464 | if (openbrackets<0) aparam.push_back(c);
|
---|
[1076] | 1465 |
|
---|
[2965] | 1466 | } else if (quote=='\0' && (c==',' || c==')') && openbrackets==0) {
|
---|
[1076] | 1467 | // found the end of a parameter
|
---|
| 1468 | c = my_ttnextchar (hereit, endit);
|
---|
| 1469 | break;
|
---|
| 1470 |
|
---|
[2965] | 1471 | } else if (c=='(') {
|
---|
| 1472 | aparam.push_back(c);
|
---|
| 1473 | openbrackets++;
|
---|
| 1474 | } else if (c==')') {
|
---|
| 1475 | openbrackets--;
|
---|
| 1476 | aparam.push_back(c);
|
---|
[1076] | 1477 | } else {
|
---|
| 1478 | // ordinary character
|
---|
| 1479 | aparam.push_back(c);
|
---|
| 1480 | }
|
---|
| 1481 |
|
---|
| 1482 | c = my_ttnextchar (hereit, endit);
|
---|
| 1483 | }
|
---|
| 1484 |
|
---|
[2965] | 1485 |
|
---|
[1076] | 1486 | // add this parameter to the list
|
---|
| 1487 | splitmacroparam.push_back(aparam);
|
---|
| 1488 | }
|
---|
| 1489 | }
|
---|
| 1490 |
|
---|
| 1491 | if (macroname == "If") {
|
---|
| 1492 | // get the condition, then clause and else clause
|
---|
| 1493 | text_tlist::iterator paramcond = splitmacroparam.begin();
|
---|
| 1494 | text_tlist::iterator paramend = splitmacroparam.end();
|
---|
| 1495 | text_tlist::iterator paramthen = paramend;
|
---|
| 1496 | text_tlist::iterator paramelse = paramend;
|
---|
| 1497 |
|
---|
| 1498 | if (paramcond != paramend) {
|
---|
| 1499 | paramthen = paramcond;
|
---|
| 1500 | paramthen++;
|
---|
| 1501 | }
|
---|
| 1502 | if (paramthen != paramend) {
|
---|
| 1503 | paramelse = paramthen;
|
---|
| 1504 | paramelse++;
|
---|
| 1505 | }
|
---|
| 1506 |
|
---|
| 1507 | // will always output something
|
---|
| 1508 | outputtext.clear();
|
---|
[2965] | 1509 |
|
---|
| 1510 |
|
---|
[1076] | 1511 | // expand out the first parameter
|
---|
| 1512 | if (paramcond != paramend) {
|
---|
[2965] | 1513 | /// text_t tmpoutput;
|
---|
| 1514 | /// expandstring (macropackage, *paramcond, tmpoutput, recursiondepth+1);
|
---|
| 1515 | /// lc (tmpoutput);
|
---|
[1076] | 1516 | // test the expanded string
|
---|
| 1517 | if (boolexpr (macropackage, *paramcond, recursiondepth+1)) {
|
---|
| 1518 | //(tmpoutput.size()) && (tmpoutput != "false") && (tmpoutput != "0")) {
|
---|
| 1519 | // true
|
---|
| 1520 | if (paramthen != paramend)
|
---|
| 1521 | expandstring (macropackage, *paramthen, outputtext, recursiondepth+1);
|
---|
| 1522 | } else {
|
---|
| 1523 | // false
|
---|
| 1524 | if (paramelse != paramend)
|
---|
| 1525 | expandstring (macropackage, *paramelse, outputtext, recursiondepth+1);
|
---|
| 1526 | }
|
---|
| 1527 | }
|
---|
| 1528 |
|
---|
| 1529 | return true;
|
---|
| 1530 | }
|
---|
| 1531 |
|
---|
| 1532 | // try and find this macro
|
---|
| 1533 |
|
---|
| 1534 | // this list might be replaced by something a little more
|
---|
| 1535 | // sophisticated in the future.
|
---|
| 1536 | text_tlist packagelist;
|
---|
| 1537 | packagelist.push_back (macropackage);
|
---|
| 1538 | packagelist.push_back ("Global");
|
---|
| 1539 |
|
---|
| 1540 | paramspeclist::iterator paramhere, paramend;
|
---|
| 1541 | text_tlist::iterator packagehere = packagelist.begin();
|
---|
| 1542 | text_tlist::iterator packageend = packagelist.end();
|
---|
| 1543 | mvalue *macrovalue = NULL;
|
---|
| 1544 | while ((macrovalue == NULL) && (packagehere != packageend))
|
---|
| 1545 | {
|
---|
| 1546 | // first look in the currentmacros
|
---|
| 1547 | macrovalue = currentmacros->macro_find(*packagehere, macroname);
|
---|
| 1548 | if (macrovalue == NULL)
|
---|
| 1549 | macrovalue = currentmacros->macro_find("Style", macroname);
|
---|
| 1550 |
|
---|
| 1551 | // look in the default macros
|
---|
| 1552 | if (macrovalue == NULL)
|
---|
| 1553 | {
|
---|
| 1554 | // next look in the defaultmacros
|
---|
| 1555 | if (defaultmacros->macro_find (*packagehere, macroname) != NULL)
|
---|
| 1556 | {
|
---|
| 1557 | paramhere = orderparamlist->begin(); paramend = orderparamlist->end();
|
---|
| 1558 | while ((macrovalue == NULL) && (paramhere != paramend))
|
---|
| 1559 | {
|
---|
| 1560 | // cerr << text_t2ascii << "\npackage: " << *packagehere << "\n";
|
---|
| 1561 | // cerr << text_t2ascii << "macroname: " << macroname << "\n";
|
---|
| 1562 | // cerr << text_t2ascii << "param: " << (*paramhere).param << "\n";
|
---|
| 1563 | // cerr << "spec: " << (int)((*paramhere).spec) << "\n";
|
---|
| 1564 | macrovalue = defaultmacros->parameter_find(*packagehere, macroname,
|
---|
| 1565 | (*paramhere).param);
|
---|
| 1566 | paramhere++;
|
---|
| 1567 | }
|
---|
| 1568 | }
|
---|
| 1569 | }
|
---|
| 1570 |
|
---|
| 1571 | // and again in the package "Style"
|
---|
| 1572 | if (macrovalue == NULL)
|
---|
| 1573 | {
|
---|
| 1574 | // next look in the defaultmacros
|
---|
| 1575 | if (defaultmacros->macro_find ("Style", macroname) != NULL)
|
---|
| 1576 | {
|
---|
| 1577 | paramhere = orderparamlist->begin(); paramend = orderparamlist->end();
|
---|
| 1578 | while ((macrovalue == NULL) && (paramhere != paramend))
|
---|
| 1579 | {
|
---|
| 1580 | macrovalue = defaultmacros->parameter_find("Style", macroname,
|
---|
| 1581 | (*paramhere).param);
|
---|
| 1582 | paramhere++;
|
---|
| 1583 | }
|
---|
| 1584 | }
|
---|
| 1585 | }
|
---|
| 1586 | if (macrovalue == NULL) packagehere++;
|
---|
| 1587 | }
|
---|
| 1588 |
|
---|
| 1589 | if (macrovalue != NULL)
|
---|
| 1590 | {
|
---|
| 1591 | // we found a macro
|
---|
| 1592 |
|
---|
| 1593 | // replace all the option macros (_1_, _2_, ...) in the value of this macro
|
---|
| 1594 | // and decide if we need to expand the value of this macro
|
---|
| 1595 | bool needsexpansion = false;
|
---|
| 1596 | text_t tempmacrovalue;
|
---|
| 1597 | tempmacrovalue.clear();
|
---|
| 1598 | hereit = macrovalue->value.begin();
|
---|
| 1599 | endit = macrovalue->value.end();
|
---|
| 1600 | if (hereit != endit) c = (*hereit);
|
---|
| 1601 | while (hereit != endit)
|
---|
| 1602 | {
|
---|
| 1603 | if (c == '\\')
|
---|
| 1604 | {
|
---|
| 1605 | // found an escape character
|
---|
| 1606 | needsexpansion = true;
|
---|
| 1607 | tempmacrovalue.push_back(c);
|
---|
| 1608 | c = my_ttnextchar (hereit, endit);
|
---|
| 1609 | if (hereit != endit) tempmacrovalue.push_back(c);
|
---|
| 1610 | c = my_ttnextchar (hereit, endit);
|
---|
| 1611 | }
|
---|
| 1612 | else if (c == '_')
|
---|
| 1613 | {
|
---|
| 1614 | text_t::const_iterator savedhereit = hereit;
|
---|
| 1615 |
|
---|
| 1616 | // attempt to get a number
|
---|
| 1617 | int argnum = 0;
|
---|
| 1618 | unsigned short digc = my_ttnextchar (hereit, endit);
|
---|
| 1619 | while (digc >= '0' && digc <= '9') {
|
---|
| 1620 | argnum = argnum*10 + digc - '0';
|
---|
| 1621 | digc = my_ttnextchar (hereit, endit);
|
---|
| 1622 | }
|
---|
| 1623 | if (digc == '_' && argnum > 0) {
|
---|
| 1624 | // found an option macro, append the appropriate text
|
---|
| 1625 | text_tlist::iterator ttlisthere = splitmacroparam.begin();
|
---|
| 1626 | text_tlist::iterator ttlistend = splitmacroparam.end();
|
---|
| 1627 | while ((argnum > 1) && (ttlisthere != ttlistend)) {
|
---|
| 1628 | argnum--;
|
---|
| 1629 | ttlisthere++;
|
---|
| 1630 | }
|
---|
| 1631 | if (ttlisthere != ttlistend) {
|
---|
| 1632 | tempmacrovalue.append(*ttlisthere);
|
---|
| 1633 | if (findchar((*ttlisthere).begin(), (*ttlisthere).end(), '_') != (*ttlisthere).end())
|
---|
| 1634 | needsexpansion = true;
|
---|
| 1635 | }
|
---|
| 1636 |
|
---|
| 1637 | c = my_ttnextchar (hereit, endit);
|
---|
| 1638 |
|
---|
| 1639 | } else {
|
---|
| 1640 | // wasn't a option macro
|
---|
| 1641 | needsexpansion = true;
|
---|
| 1642 | tempmacrovalue.push_back(c);
|
---|
| 1643 | hereit = savedhereit;
|
---|
| 1644 | c = my_ttnextchar (hereit, endit);
|
---|
| 1645 | }
|
---|
| 1646 | }
|
---|
| 1647 | else
|
---|
| 1648 | {
|
---|
| 1649 | tempmacrovalue.push_back(c);
|
---|
| 1650 | c = my_ttnextchar (hereit, endit);
|
---|
| 1651 | }
|
---|
| 1652 | }
|
---|
| 1653 |
|
---|
| 1654 | // recursively replace this macro (if we need to)
|
---|
| 1655 | if (needsexpansion) {
|
---|
| 1656 | expandstring (*packagehere, tempmacrovalue, outputtext, recursiondepth+1);
|
---|
| 1657 | } else {
|
---|
| 1658 | outputtext += tempmacrovalue;
|
---|
| 1659 | }
|
---|
| 1660 |
|
---|
| 1661 | return true;
|
---|
| 1662 | }
|
---|
| 1663 |
|
---|
[1860] | 1664 | // GRB: deal with remaining code properly as it faults
|
---|
| 1665 | return false;
|
---|
| 1666 |
|
---|
[1076] | 1667 | if (logout != NULL) {
|
---|
| 1668 | (*logout) << text_t2ascii << "Warning: _" <<
|
---|
| 1669 | macropackage << ":" << macroname << "_ not found\n";
|
---|
| 1670 | }
|
---|
| 1671 |
|
---|
| 1672 | return false; // didn't find the macro
|
---|
| 1673 | }
|
---|
| 1674 |
|
---|
| 1675 |
|
---|
| 1676 | void displayclass::printdefaultmacros ()
|
---|
| 1677 | {
|
---|
| 1678 | defpackagemap::const_iterator packagemapit;
|
---|
| 1679 | defmacromap::const_iterator macromapit;
|
---|
| 1680 | defparammap::const_iterator parammapit;
|
---|
| 1681 | const mvalue *mvalueptr;
|
---|
| 1682 | outconvertclass text_t2ascii;
|
---|
| 1683 |
|
---|
| 1684 | text_t packagename, macroname, macroparam;
|
---|
| 1685 |
|
---|
| 1686 | for (packagemapit = defaultmacros->package_begin();
|
---|
| 1687 | packagemapit != defaultmacros->package_end();
|
---|
| 1688 | packagemapit++)
|
---|
| 1689 | {
|
---|
| 1690 | packagename = (*packagemapit).first;
|
---|
| 1691 | // cerr << "***package : \"" << packagename << "\"\n";
|
---|
| 1692 |
|
---|
| 1693 | for (macromapit = (*packagemapit).second.begin();
|
---|
| 1694 | macromapit != (*packagemapit).second.end();
|
---|
| 1695 | macromapit++)
|
---|
| 1696 | {
|
---|
| 1697 | macroname = (*macromapit).first;
|
---|
| 1698 | // cerr << "***macroname : \"" << macroname << "\"\n";
|
---|
| 1699 |
|
---|
| 1700 | for (parammapit = (*macromapit).second.begin();
|
---|
| 1701 | parammapit != (*macromapit).second.end();
|
---|
| 1702 | parammapit++)
|
---|
| 1703 | {
|
---|
| 1704 | macroparam = (*parammapit).first;
|
---|
| 1705 | mvalueptr = &((*parammapit).second);
|
---|
| 1706 | cerr << text_t2ascii << "package : \"" << packagename << "\"\n";
|
---|
| 1707 | cerr << text_t2ascii << "macroname : \"" << macroname << "\"\n";
|
---|
| 1708 | cerr << text_t2ascii << "parameters: [" << macroparam << "]\n";
|
---|
| 1709 | cerr << text_t2ascii << "filename : \"" << mvalueptr->filename << "\"\n";
|
---|
| 1710 | cerr << text_t2ascii << "value : {" << mvalueptr->value << "}\n\n";
|
---|
| 1711 | }
|
---|
| 1712 | }
|
---|
| 1713 | }
|
---|
| 1714 | }
|
---|
| 1715 |
|
---|
| 1716 | void displayclass::printallparams ()
|
---|
| 1717 | {
|
---|
| 1718 | text_tset::iterator text_tsetit;
|
---|
| 1719 | outconvertclass text_t2ascii;
|
---|
| 1720 |
|
---|
| 1721 | cerr << text_t2ascii << "** allparams\n";
|
---|
| 1722 | for (text_tsetit=allparams.begin();
|
---|
| 1723 | text_tsetit!=allparams.end();
|
---|
| 1724 | text_tsetit++) {
|
---|
| 1725 | cerr << text_t2ascii << (*text_tsetit) << "\n";
|
---|
| 1726 | }
|
---|
| 1727 | cerr << text_t2ascii << "\n";
|
---|
| 1728 | }
|
---|
| 1729 |
|
---|
| 1730 |
|
---|
| 1731 |
|
---|
| 1732 | /////////////////////////////////////
|
---|
| 1733 | // stuff to do tricky output
|
---|
| 1734 | /////////////////////////////////////
|
---|
| 1735 |
|
---|
| 1736 | displayclass &operator<< (outconvertclass &theoutc, displayclass &display)
|
---|
| 1737 | {
|
---|
| 1738 | display.setconvertclass (&theoutc);
|
---|
| 1739 | return display;
|
---|
| 1740 | }
|
---|
| 1741 |
|
---|
| 1742 | displayclass &operator<< (displayclass &display, const text_t &t)
|
---|
| 1743 | {
|
---|
| 1744 | outconvertclass *theoutc = display.getconvertclass();
|
---|
| 1745 |
|
---|
| 1746 | if (theoutc == NULL) return display;
|
---|
| 1747 |
|
---|
| 1748 | text_t output;
|
---|
| 1749 | display.expandstring (t, output);
|
---|
| 1750 | (*theoutc) << output;
|
---|
| 1751 |
|
---|
| 1752 | return display;
|
---|
| 1753 | }
|
---|