The Tor Browser / file comparison
comparison: gfx/graphite2/src/inc/Pass.h
gfx/graphite2/src/inc/Pass.h
- changeset 0
- 6474c204b198
equal
deleted
inserted
replaced
| -1:000000000000 | 0:ebd82ac9ff07 |
|---|---|
| 1 /* GRAPHITE2 LICENSING | |
| 2 | |
| 3 Copyright 2010, SIL International | |
| 4 All rights reserved. | |
| 5 | |
| 6 This library is free software; you can redistribute it and/or modify | |
| 7 it under the terms of the GNU Lesser General Public License as published | |
| 8 by the Free Software Foundation; either version 2.1 of License, or | |
| 9 (at your option) any later version. | |
| 10 | |
| 11 This program is distributed in the hope that it will be useful, | |
| 12 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 14 Lesser General Public License for more details. | |
| 15 | |
| 16 You should also have received a copy of the GNU Lesser General Public | |
| 17 License along with this library in the file named "LICENSE". | |
| 18 If not, write to the Free Software Foundation, 51 Franklin Street, | |
| 19 Suite 500, Boston, MA 02110-1335, USA or visit their web page on the | |
| 20 internet at http://www.fsf.org/licenses/lgpl.html. | |
| 21 | |
| 22 Alternatively, the contents of this file may be used under the terms of the | |
| 23 Mozilla Public License (http://mozilla.org/MPL) or the GNU General Public | |
| 24 License, as published by the Free Software Foundation, either version 2 | |
| 25 of the License or (at your option) any later version. | |
| 26 */ | |
| 27 #pragma once | |
| 28 | |
| 29 #include <cstdlib> | |
| 30 #include "inc/Code.h" | |
| 31 | |
| 32 namespace graphite2 { | |
| 33 | |
| 34 class Segment; | |
| 35 class Face; | |
| 36 class Silf; | |
| 37 struct Rule; | |
| 38 struct RuleEntry; | |
| 39 struct State; | |
| 40 class FiniteStateMachine; | |
| 41 class Error; | |
| 42 | |
| 43 class Pass | |
| 44 { | |
| 45 public: | |
| 46 Pass(); | |
| 47 ~Pass(); | |
| 48 | |
| 49 bool readPass(const byte * pPass, size_t pass_length, size_t subtable_base, Face & face, Error &e); | |
| 50 void runGraphite(vm::Machine & m, FiniteStateMachine & fsm) const; | |
| 51 void init(Silf *silf) { m_silf = silf; } | |
| 52 byte spaceContextuals() const { return (m_flags & 0x0E) >> 1; } | |
| 53 | |
| 54 CLASS_NEW_DELETE | |
| 55 private: | |
| 56 void findNDoRule(Slot* & iSlot, vm::Machine &, FiniteStateMachine& fsm) const; | |
| 57 int doAction(const vm::Machine::Code* codeptr, Slot * & slot_out, vm::Machine &) const; | |
| 58 bool testPassConstraint(vm::Machine & m) const; | |
| 59 bool testConstraint(const Rule & r, vm::Machine &) const; | |
| 60 bool readRules(const byte * rule_map, const size_t num_entries, | |
| 61 const byte *precontext, const uint16 * sort_key, | |
| 62 const uint16 * o_constraint, const byte *constraint_data, | |
| 63 const uint16 * o_action, const byte * action_data, | |
| 64 Face &, Error &e); | |
| 65 bool readStates(const byte * starts, const byte * states, const byte * o_rule_map, Face &, Error &e); | |
| 66 bool readRanges(const byte * ranges, size_t num_ranges, Error &e); | |
| 67 uint16 glyphToCol(const uint16 gid) const; | |
| 68 bool runFSM(FiniteStateMachine & fsm, Slot * slot) const; | |
| 69 void dumpRuleEventConsidered(const FiniteStateMachine & fsm, const RuleEntry & re) const; | |
| 70 void dumpRuleEventOutput(const FiniteStateMachine & fsm, const Rule & r, Slot * os) const; | |
| 71 void adjustSlot(int delta, Slot * & slot_out, SlotMap &) const; | |
| 72 const Silf* m_silf; | |
| 73 uint16 * m_cols; | |
| 74 Rule * m_rules; // rules | |
| 75 RuleEntry * m_ruleMap; | |
| 76 uint16 * m_startStates; // prectxt length | |
| 77 uint16 * m_transitions; | |
| 78 State * m_states; | |
| 79 | |
| 80 byte m_flags; | |
| 81 byte m_iMaxLoop; | |
| 82 uint16 m_numGlyphs; | |
| 83 uint16 m_numRules; | |
| 84 uint16 m_numStates; | |
| 85 uint16 m_numTransition; | |
| 86 uint16 m_numSuccess; | |
| 87 uint16 m_successStart; | |
| 88 uint16 m_numColumns; | |
| 89 byte m_minPreCtxt; | |
| 90 byte m_maxPreCtxt; | |
| 91 vm::Machine::Code m_cPConstraint; | |
| 92 | |
| 93 private: //defensive | |
| 94 Pass(const Pass&); | |
| 95 Pass& operator=(const Pass&); | |
| 96 }; | |
| 97 | |
| 98 } // namespace graphite2 |
