diff options
Diffstat (limited to 'lexiconparameters.cpp')
| -rw-r--r-- | lexiconparameters.cpp | 52 |
1 files changed, 40 insertions, 12 deletions
diff --git a/lexiconparameters.cpp b/lexiconparameters.cpp index ca09fa5..e014048 100644 --- a/lexiconparameters.cpp +++ b/lexiconparameters.cpp @@ -19,13 +19,14 @@ #include <iostream> #include <fstream> + #include "datamanager.h" #include "lexiconparameters.h" #include "uv.h" using namespace Quackle; -class Quackle::V0DawgInterpreter : public DawgInterpreter +class Quackle::V0LexiconInterpreter : public LexiconInterpreter { virtual void loadDawg(ifstream &file, LexiconParameters &lexparams) @@ -39,6 +40,17 @@ class Quackle::V0DawgInterpreter : public DawgInterpreter } } + virtual void loadGaddag(ifstream &file, LexiconParameters &lexparams) + { + int i = 0; + file.unget(); + while (!file.eof()) + { + file.read((char*)(lexparams.m_gaddag) + i, 4); + i += 4; + } + } + virtual void dawgAt(const unsigned char *dawg, int index, unsigned int &p, Letter &letter, bool &t, bool &lastchild, bool &british, int &playability) const { index *= 7; @@ -55,7 +67,7 @@ class Quackle::V0DawgInterpreter : public DawgInterpreter virtual int versionNumber() const { return 0; } }; -class Quackle::V1DawgInterpreter : public DawgInterpreter +class Quackle::V1LexiconInterpreter : public LexiconInterpreter { virtual void loadDawg(ifstream &file, LexiconParameters &lexparams) @@ -72,6 +84,24 @@ class Quackle::V1DawgInterpreter : public DawgInterpreter } } + virtual void loadGaddag(ifstream &file, LexiconParameters &lexparams) + { + char hash[16]; + file.read(hash, sizeof(hash)); + if (memcmp(hash, lexparams.m_hash, sizeof(hash))) + { + lexparams.unloadGaddag(); // don't use a mismatched gaddag + return; + } + + int i = 0; + while (!file.eof()) + { + file.read((char*)(lexparams.m_gaddag) + i, 4); + i += 4; + } + } + virtual void dawgAt(const unsigned char *dawg, int index, unsigned int &p, Letter &letter, bool &t, bool &lastchild, bool &british, int &playability) const { index *= 7; @@ -108,14 +138,14 @@ void LexiconParameters::unloadAll() void LexiconParameters::unloadDawg() { delete[] m_dawg; - m_dawg = 0; + m_dawg = NULL; delete m_interpreter; } void LexiconParameters::unloadGaddag() { delete[] m_gaddag; - m_gaddag = 0; + m_gaddag = NULL; } void LexiconParameters::loadDawg(const string &filename) @@ -133,10 +163,10 @@ void LexiconParameters::loadDawg(const string &filename) switch(versionByte) { case 0: - m_interpreter = new V0DawgInterpreter(); + m_interpreter = new V0LexiconInterpreter(); break; case 1: - m_interpreter = new V1DawgInterpreter(); + m_interpreter = new V1LexiconInterpreter(); break; default: UVcout << "couldn't open dawg " << filename.c_str() << endl; @@ -160,14 +190,12 @@ void LexiconParameters::loadGaddag(const string &filename) return; } + char versionByte = file.get(); + if (versionByte != m_interpreter->versionNumber()) + return; m_gaddag = new unsigned char[40000000]; - int i = 0; - while (!file.eof()) - { - file.read((char*)(m_gaddag) + i, 4); - i += 4; - } + m_interpreter->loadGaddag(file, *this); } string LexiconParameters::findDictionaryFile(const string &lexicon) |