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added string splitting, exploding, and imploding

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--HG--
extra : convert_revision : svn%3A39bc706e-5318-0410-9160-8a85361fbb7c/trunk%40840
This commit is contained in:
David Anderson
2007-05-22 22:58:51 +00:00
parent 0ef8935839
commit 5a50d8ca0a
2 changed files with 124 additions and 0 deletions
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core/smn_string.cpp
+35
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@@ -479,6 +479,40 @@ static cell_t TrimString(IPluginContext *pContext, const cell_t *params)
return bytes;
}
static cell_t SplitString(IPluginContext *pContext, const cell_t *params)
{
char *text, *split;
pContext->LocalToString(params[1], &text);
pContext->LocalToString(params[2], &split);
size_t maxLen = (size_t)params[4];
size_t textLen = strlen(text);
size_t splitLen = strlen(split);
if (splitLen > textLen)
{
return -1;
}
for (size_t i=0; i<textLen - splitLen; i++)
{
if (strncmp(&text[i], split, splitLen) == 0)
{
/* Split hereeeee */
if (i >= maxLen)
{
pContext->StringToLocalUTF8(params[3], maxLen, text, NULL);
} else {
pContext->StringToLocalUTF8(params[3], i+1, text, NULL);
}
return (cell_t)(i + splitLen);
}
}
return -1;
}
REGISTER_NATIVES(basicStrings)
{
{"BreakString", BreakString},
@@ -495,6 +529,7 @@ REGISTER_NATIVES(basicStrings)
{"IsCharUpper", IsCharUpper},
{"ReplaceString", ReplaceString},
{"ReplaceStringEx", ReplaceStringEx},
{"SplitString", SplitString},
{"strlen", sm_strlen},
{"StrBreak", BreakString}, /* Backwards compat shim */
{"StrContains", sm_contain},