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-rw-r--r--src/strgen/strgen.cpp29
1 files changed, 21 insertions, 8 deletions
diff --git a/src/strgen/strgen.cpp b/src/strgen/strgen.cpp
index 1260a056e..61fcecd7b 100644
--- a/src/strgen/strgen.cpp
+++ b/src/strgen/strgen.cpp
@@ -245,7 +245,7 @@ static void EmitSingleChar(char *buf, int value)
/* This is encoded like
* CommandByte <ARG#> <NUM> {Length of each string} {each string} */
-bool ParseRelNum(char **buf, int *value)
+bool ParseRelNum(char **buf, int *value, int *offset)
{
const char *s = *buf;
char *end;
@@ -263,6 +263,12 @@ bool ParseRelNum(char **buf, int *value)
} else {
*value = v;
}
+ if (offset != NULL && *end == ':') {
+ /* Take the Nth within */
+ s = end + 1;
+ *offset = strtol(s, &end, 0);
+ if (end == s) return false;
+ }
*buf = end;
return true;
}
@@ -303,7 +309,7 @@ char *ParseWord(char **buf)
}
/* Forward declaration */
-static int TranslateArgumentIdx(int arg);
+static int TranslateArgumentIdx(int arg, int offset = 0);
static void EmitWordList(const char * const *words, uint nw)
{
@@ -318,11 +324,12 @@ static void EmitWordList(const char * const *words, uint nw)
static void EmitPlural(char *buf, int value)
{
int argidx = _cur_argidx;
+ int offset = 0;
const char *words[5];
int nw = 0;
/* Parse out the number, if one exists. Otherwise default to prev arg. */
- if (!ParseRelNum(&buf, &argidx)) argidx--;
+ if (!ParseRelNum(&buf, &argidx, &offset)) argidx--;
/* Parse each string */
for (nw = 0; nw < 5; nw++) {
@@ -351,7 +358,7 @@ static void EmitPlural(char *buf, int value)
}
PutUtf8(SCC_PLURAL_LIST);
- PutByte(TranslateArgumentIdx(argidx));
+ PutByte(TranslateArgumentIdx(argidx, offset));
EmitWordList(words, nw);
}
@@ -359,6 +366,7 @@ static void EmitPlural(char *buf, int value)
static void EmitGender(char *buf, int value)
{
int argidx = _cur_argidx;
+ int offset = 0;
uint nw;
if (buf[0] == '=') {
@@ -377,7 +385,7 @@ static void EmitGender(char *buf, int value)
/* This is a {G 0 foo bar two} command.
* If no relative number exists, default to +0 */
- if (!ParseRelNum(&buf, &argidx)) {}
+ if (!ParseRelNum(&buf, &argidx, &offset)) {}
for (nw = 0; nw < MAX_NUM_GENDER; nw++) {
words[nw] = ParseWord(&buf);
@@ -385,7 +393,7 @@ static void EmitGender(char *buf, int value)
}
if (nw != _numgenders) error("Bad # of arguments for gender command");
PutUtf8(SCC_GENDER_LIST);
- PutByte(TranslateArgumentIdx(argidx));
+ PutByte(TranslateArgumentIdx(argidx, offset));
EmitWordList(words, nw);
}
}
@@ -948,20 +956,25 @@ static void WriteStringsH(const char *filename)
}
}
-static int TranslateArgumentIdx(int argidx)
+static int TranslateArgumentIdx(int argidx, int offset)
{
int sum;
if (argidx < 0 || (uint)argidx >= lengthof(_cur_pcs.cmd)) {
error("invalid argidx %d", argidx);
}
+ const CmdStruct *cs = _cur_pcs.cmd[argidx];
+ if (cs != NULL && cs->consumes <= offset) {
+ error("invalid argidx offset %d:%d\n", argidx, offset);
+ }
for (int i = sum = 0; i < argidx; i++) {
const CmdStruct *cs = _cur_pcs.cmd[i];
+
sum += (cs != NULL) ? cs->consumes : 1;
}
- return sum;
+ return sum + offset;
}
static void PutArgidxCommand()