gfx/graphite2/src/inc/Error.h@b8a032363ba2 (annotated)
gfx/graphite2/src/inc/Error.h
Thu, 22 Jan 2015 13:21:57 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Thu, 22 Jan 2015 13:21:57 +0100
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
- permissions
- -rw-r--r--
Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6
| michael@0 | 1 | /* GRAPHITE2 LICENSING |
| michael@0 | 2 | |
| michael@0 | 3 | Copyright 2013, SIL International |
| michael@0 | 4 | All rights reserved. |
| michael@0 | 5 | |
| michael@0 | 6 | This library is free software; you can redistribute it and/or modify |
| michael@0 | 7 | it under the terms of the GNU Lesser General Public License as published |
| michael@0 | 8 | by the Free Software Foundation; either version 2.1 of License, or |
| michael@0 | 9 | (at your option) any later version. |
| michael@0 | 10 | |
| michael@0 | 11 | This program is distributed in the hope that it will be useful, |
| michael@0 | 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| michael@0 | 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| michael@0 | 14 | Lesser General Public License for more details. |
| michael@0 | 15 | |
| michael@0 | 16 | You should also have received a copy of the GNU Lesser General Public |
| michael@0 | 17 | License along with this library in the file named "LICENSE". |
| michael@0 | 18 | If not, write to the Free Software Foundation, 51 Franklin Street, |
| michael@0 | 19 | Suite 500, Boston, MA 02110-1335, USA or visit their web page on the |
| michael@0 | 20 | internet at http://www.fsf.org/licenses/lgpl.html. |
| michael@0 | 21 | |
| michael@0 | 22 | Alternatively, the contents of this file may be used under the terms of the |
| michael@0 | 23 | Mozilla Public License (http://mozilla.org/MPL) or the GNU General Public |
| michael@0 | 24 | License, as published by the Free Software Foundation, either version 2 |
| michael@0 | 25 | of the License or (at your option) any later version. |
| michael@0 | 26 | */ |
| michael@0 | 27 | #pragma once |
| michael@0 | 28 | |
| michael@0 | 29 | // numbers are explicitly assigned for future proofing |
| michael@0 | 30 | |
| michael@0 | 31 | namespace graphite2 |
| michael@0 | 32 | { |
| michael@0 | 33 | |
| michael@0 | 34 | class Error |
| michael@0 | 35 | { |
| michael@0 | 36 | public: |
| michael@0 | 37 | Error() : _e(0) {}; |
| michael@0 | 38 | operator bool() { return (_e != 0); } |
| michael@0 | 39 | int error() { return _e; } |
| michael@0 | 40 | void error(int e) { _e = e; } |
| michael@0 | 41 | bool test(bool pr, int err) { return (_e = int(pr) * err); } |
| michael@0 | 42 | |
| michael@0 | 43 | private: |
| michael@0 | 44 | int _e; |
| michael@0 | 45 | }; |
| michael@0 | 46 | |
| michael@0 | 47 | enum errcontext { |
| michael@0 | 48 | EC_READGLYPHS = 1, // while reading glyphs |
| michael@0 | 49 | EC_READSILF = 2, // in Silf table |
| michael@0 | 50 | EC_ASILF = 3, // in Silf %d |
| michael@0 | 51 | EC_APASS = 4, // in Silf %d, pass %d |
| michael@0 | 52 | EC_PASSCCODE = 5, // in pass constraint code for Silf %d, pass %d |
| michael@0 | 53 | EC_ARULE = 6, // in Silf %d, pass %d, rule %d |
| michael@0 | 54 | EC_ASTARTS = 7, // in Silf %d, pass %d, start state %d |
| michael@0 | 55 | EC_ATRANS = 8, // in Silf %d, pass %d, fsm state %d |
| michael@0 | 56 | EC_ARULEMAP = 9 // in Silf %d, pass %d, state %d |
| michael@0 | 57 | }; |
| michael@0 | 58 | |
| michael@0 | 59 | enum errors { |
| michael@0 | 60 | E_OUTOFMEM = 1, // Out of memory |
| michael@0 | 61 | E_NOGLYPHS = 2, // There are no glyphs in the font |
| michael@0 | 62 | E_BADUPEM = 3, // The units per em for the font is bad (0) |
| michael@0 | 63 | E_BADCMAP = 4, // The font does not contain any useful cmaps |
| michael@0 | 64 | E_NOSILF = 5, // Missing Silf table |
| michael@0 | 65 | E_TOOOLD = 6, // Silf table version is too old |
| michael@0 | 66 | E_BADSIZE = 7, // context object has the wrong structural size |
| michael@0 | 67 | // Silf Subtable Errors take a Silf subtable number * 256 in the context |
| michael@0 | 68 | E_BADMAXGLYPH = 8, // Silf max glyph id is too high |
| michael@0 | 69 | E_BADNUMJUSTS = 9, // Number of Silf justification blocks is too high |
| michael@0 | 70 | E_BADENDJUSTS = 10, // Silf justification blocks take too much of the Silf table space |
| michael@0 | 71 | E_BADCRITFEATURES = 11, // Critical features section in a Silf table is too big |
| michael@0 | 72 | E_BADSCRIPTTAGS = 12, // Silf script tags area is too big |
| michael@0 | 73 | E_BADAPSEUDO = 13, // The pseudo glyph attribute number is too high |
| michael@0 | 74 | E_BADABREAK = 14, // The linebreak glyph attribute number is too high |
| michael@0 | 75 | E_BADABIDI = 15, // The bidi glyph attribute number is too high |
| michael@0 | 76 | E_BADAMIRROR = 16, // The mirrored glyph attribute number is too high |
| michael@0 | 77 | E_BADNUMPASSES = 17, // The number of passes is > 128 |
| michael@0 | 78 | E_BADPASSESSTART = 18, // The Silf table is too small to hold any passes |
| michael@0 | 79 | E_BADPASSBOUND = 19, // The positioning pass number is too low or the substitution pass number is too high |
| michael@0 | 80 | E_BADPPASS = 20, // The positioning pass number is too high |
| michael@0 | 81 | E_BADSPASS = 21, // the substitution pass number is too high |
| michael@0 | 82 | E_BADJPASSBOUND = 22, // the justification pass must be higher than the positioning pass |
| michael@0 | 83 | E_BADJPASS = 23, // the justification pass is too high |
| michael@0 | 84 | E_BADALIG = 24, // the number of initial ligature component glyph attributes is too high |
| michael@0 | 85 | E_BADBPASS = 25, // the bidi pass number is specified and is either too high or too low |
| michael@0 | 86 | E_BADNUMPSEUDO = 26, // The number of pseudo glyphs is too high |
| michael@0 | 87 | E_BADCLASSSIZE = 27, // The size of the classes block is bad |
| michael@0 | 88 | E_TOOMANYLINEAR = 28, // The number of linear classes in the silf table is too high |
| michael@0 | 89 | E_CLASSESTOOBIG = 29, // There are too many classes for the space allocated in the Silf subtable |
| michael@0 | 90 | E_MISALIGNEDCLASSES = 30, // The class offsets in the class table don't line up with the number of classes |
| michael@0 | 91 | E_HIGHCLASSOFFSET = 31, // The class offsets point out of the class table |
| michael@0 | 92 | E_BADCLASSOFFSET = 32, // A class offset is less than one following it |
| michael@0 | 93 | E_BADCLASSLOOKUPINFO = 33, // The search header info for a non-linear class has wrong values in it |
| michael@0 | 94 | // Pass subtable errors. Context has pass number * 65536 |
| michael@0 | 95 | E_BADPASSSTART = 34, // The start offset for a particular pass is bad |
| michael@0 | 96 | E_BADPASSEND = 35, // The end offset for a particular pass is bad |
| michael@0 | 97 | E_BADPASSLENGTH = 36, // The length of the pass is too small |
| michael@0 | 98 | E_BADNUMTRANS = 37, // The number of transition states in the fsm is bad |
| michael@0 | 99 | E_BADNUMSUCCESS = 38, // The number of success states in the fsm is bad |
| michael@0 | 100 | E_BADNUMSTATES = 39, // The number of states in the fsm is bad |
| michael@0 | 101 | E_NORANGES = 40, // There are no columns in the fsm |
| michael@0 | 102 | E_BADRULEMAPLEN = 41, // The size of the success state to rule mapping is bad |
| michael@0 | 103 | E_BADCTXTLENBOUNDS = 42, // The precontext maximum is greater than its minimum |
| michael@0 | 104 | E_BADCTXTLENS = 43, // The lists of rule lengths or pre context lengths is bad |
| michael@0 | 105 | E_BADPASSCCODEPTR = 44, // The pass constraint code position does not align with where the forward reference says it should be |
| michael@0 | 106 | E_BADRULECCODEPTR = 45, // The rule constraint code position does not align with where the forward reference says it should be |
| michael@0 | 107 | E_BADCCODELEN = 46, // Bad rule/pass constraint code length |
| michael@0 | 108 | E_BADACTIONCODEPTR = 47, // The action code position does not align with where the forward reference says it should be |
| michael@0 | 109 | E_MUTABLECCODE = 48, // Constraint code edits slots. It shouldn't. |
| michael@0 | 110 | E_BADSTATE = 49, // Bad state transition referencing an illegal state |
| michael@0 | 111 | E_BADRULEMAPPING = 50, // The structure of the rule mapping is bad |
| michael@0 | 112 | E_BADRANGE = 51, // Bad column range structure including a glyph in more than one column |
| michael@0 | 113 | E_BADRULENUM = 52, // A reference to a rule is out of range (too high) |
| michael@0 | 114 | // Code errors |
| michael@0 | 115 | E_CODEFAILURE = 60, // Base code error. The following subcodes must align with Machine::Code::status_t in Code.h |
| michael@0 | 116 | E_CODEALLOC = 61, // Out of memory |
| michael@0 | 117 | E_INVALIDOPCODE = 62, // Invalid op code |
| michael@0 | 118 | E_UNIMPOPCODE = 63, // Unimplemented op code encountered |
| michael@0 | 119 | E_OUTOFRANGECODE = 64, // Code argument out of range |
| michael@0 | 120 | E_BADJUMPCODE = 65, // Code jumps past end of op codes |
| michael@0 | 121 | E_CODEBADARGS = 66, // Code arguments exhausted |
| michael@0 | 122 | E_CODENORETURN = 67, // Missing return type op code at end of code |
| michael@0 | 123 | E_CODENESTEDCTXT = 68 // Nested context encountered in code |
| michael@0 | 124 | }; |
| michael@0 | 125 | |
| michael@0 | 126 | } |
| michael@0 | 127 |
