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(svn r23570) -Codechange: move version generation code to StringData

This commit is contained in:
rubidium 2011-12-17 14:50:35 +00:00
parent 343d0d8176
commit ab37a923c2
1 changed files with 64 additions and 53 deletions
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117
src/strgen/strgen.cpp
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@ -47,6 +47,7 @@ static int _cur_line; ///< The current line we're parsing
static int _errors, _warnings, _show_todo;
static const ptrdiff_t MAX_COMMAND_PARAM_SIZE = 100; ///< Maximum size of every command block, not counting the name of the command itself
static const CmdStruct *ParseCommandString(const char **str, char *param, int *argno, int *casei);
/** Container for the different cases of a string. */
struct Case {
@ -137,7 +138,7 @@ struct StringData {
* @param s The string to hash.
* @return The hashed string.
*/
uint HashStr(const char *s)
uint HashStr(const char *s) const
{
uint hash = 0;
for (; *s != '\0'; s++) hash = ROL(hash, 3) ^ *s;
@ -175,10 +176,60 @@ struct StringData {
}
return NULL;
}
/**
* Create a compound hash.
* @param hash The hash to add the string hash to.
* @param s The string hash.
* @return The new hash.
*/
uint VersionHashStr(uint hash, const char *s) const
{
for (; *s != '\0'; s++) {
hash = ROL(hash, 3) ^ *s;
hash = (hash & 1 ? hash >> 1 ^ 0xDEADBEEF : hash >> 1);
}
return hash;
}
/**
* Make a hash of the file to get a unique "version number"
* @return The version number.
*/
uint Version() const
{
uint hash = 0;
for (size_t i = 0; i < this->max_strings; i++) {
const LangString *ls = this->strings[i];
if (ls != NULL) {
const CmdStruct *cs;
const char *s;
char buf[MAX_COMMAND_PARAM_SIZE];
int argno;
int casei;
s = ls->name;
hash ^= i * 0x717239;
hash = (hash & 1 ? hash >> 1 ^ 0xDEADBEEF : hash >> 1);
hash = this->VersionHashStr(hash, s + 1);
s = ls->english;
while ((cs = ParseCommandString(&s, buf, &argno, &casei)) != NULL) {
if (cs->flags & C_DONTCOUNT) continue;
hash ^= (cs - _cmd_structs) * 0x1234567;
hash = (hash & 1 ? hash >> 1 ^ 0xF00BAA4 : hash >> 1);
}
}
}
return hash;
}
};
static LanguagePackHeader _lang; ///< Header information about a language.
static uint32 _hash;
static const char *_cur_ident;
@ -892,49 +943,6 @@ static void ParseFile(StringData &data, const char *file, bool english)
}
static uint32 MyHashStr(uint32 hash, const char *s)
{
for (; *s != '\0'; s++) {
hash = ROL(hash, 3) ^ *s;
hash = (hash & 1 ? hash >> 1 ^ 0xDEADBEEF : hash >> 1);
}
return hash;
}
/* make a hash of the file to get a unique "version number" */
static void MakeHashOfStrings(const StringData &data)
{
uint32 hash = 0;
for (size_t i = 0; i < data.max_strings; i++) {
const LangString *ls = data.strings[i];
if (ls != NULL) {
const CmdStruct *cs;
const char *s;
char buf[MAX_COMMAND_PARAM_SIZE];
int argno;
int casei;
s = ls->name;
hash ^= i * 0x717239;
hash = (hash & 1 ? hash >> 1 ^ 0xDEADBEEF : hash >> 1);
hash = MyHashStr(hash, s + 1);
s = ls->english;
while ((cs = ParseCommandString(&s, buf, &argno, &casei)) != NULL) {
if (cs->flags & C_DONTCOUNT) continue;
hash ^= (cs - _cmd_structs) * 0x1234567;
hash = (hash & 1 ? hash >> 1 ^ 0xF00BAA4 : hash >> 1);
}
}
}
_hash = hash;
}
static uint CountInUse(const StringData &data, uint grp)
{
int i;
@ -1020,13 +1028,17 @@ struct HeaderWriter {
/**
* Finalise writing the file.
* @param data The data about the string.
*/
virtual void Finalise() = 0;
virtual void Finalise(const StringData &data) = 0;
/** Especially destroy the subclasses. */
virtual ~HeaderWriter() {};
/** Write the header information. */
/**
* Write the header information.
* @param data The data about the string.
*/
void WriteHeader(const StringData &data)
{
int last = 0;
@ -1066,7 +1078,7 @@ struct HeaderFileWriter : HeaderWriter, FileWriter {
prev = stringid;
}
void Finalise()
void Finalise(const StringData &data)
{
/* Find the plural form with the most amount of cases. */
int max_plural_forms = 0;
@ -1079,7 +1091,7 @@ struct HeaderFileWriter : HeaderWriter, FileWriter {
"static const uint LANGUAGE_PACK_VERSION = 0x%X;\n"
"static const uint LANGUAGE_MAX_PLURAL = %d;\n"
"static const uint LANGUAGE_MAX_PLURAL_FORMS = %d;\n\n",
(uint)_hash, (uint)lengthof(_plural_forms), max_plural_forms
(uint)data.Version(), (uint)lengthof(_plural_forms), max_plural_forms
);
fprintf(this->fh, "#endif /* TABLE_STRINGS_H */\n");
@ -1217,6 +1229,7 @@ struct LanguageWriter {
/**
* Actually write the language.
* @param data The data about the string.
*/
void WriteLang(const StringData &data)
{
@ -1234,7 +1247,7 @@ struct LanguageWriter {
}
_lang.ident = TO_LE32(LanguagePackHeader::IDENT);
_lang.version = TO_LE32(_hash);
_lang.version = TO_LE32(data.Version());
_lang.missing = TO_LE16(_lang.missing);
_lang.winlangid = TO_LE16(_lang.winlangid);
@ -1515,7 +1528,6 @@ int CDECL main(int argc, char *argv[])
StringData data;
/* parse master file */
ParseFile(data, pathbuf, true);
MakeHashOfStrings(data);
if (_errors != 0) return 1;
/* write strings.h */
@ -1524,7 +1536,7 @@ int CDECL main(int argc, char *argv[])
HeaderFileWriter writer(pathbuf);
writer.WriteHeader(data);
writer.Finalise();
writer.Finalise(data);
} else if (mgo.numleft == 1) {
char *r;
@ -1533,7 +1545,6 @@ int CDECL main(int argc, char *argv[])
StringData data;
/* parse master file and check if target file is correct */
ParseFile(data, pathbuf, true);
MakeHashOfStrings(data);
ParseFile(data, replace_pathsep(mgo.argv[0]), false); // target file
if (_errors != 0) return 1;