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-rw-r--r--src/strgen/strgen.cpp117
1 files changed, 64 insertions, 53 deletions
diff --git a/src/strgen/strgen.cpp b/src/strgen/strgen.cpp
index 397639783..c19613629 100644
--- a/src/strgen/strgen.cpp
+++ b/src/strgen/strgen.cpp
@@ -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;