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Extend GetZipPaths to accept an optional prefix to filter based on

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This commit is contained in:
Paul Kulchenko 2021-11-06 17:44:40 -07:00
parent e5d1536256
commit 4460366884
2 changed files with 9 additions and 5 deletions
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5
tool/net/help.txt
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@ -742,9 +742,10 @@ FUNCTIONS
minor (mm), and patch (pp) versions encoded. The version value 1.4
would be represented as 0x010400.
GetZipPaths() → {path:str,...}
GetZipPaths([prefix:str]) → {path:str,...}
Returns paths of all assets in the zip central directory, prefixed
by a slash.
by a slash. If prefix parameter is provided, then only paths that
start with the prefix (case sensitive) are returned.
HasParam(name:str) → bool
Returns true if parameter with name was supplied in either the

9
tool/net/redbean.c
View file

@ -4999,7 +4999,8 @@ static int LuaIsHiddenPath(lua_State *L) {
static int LuaGetZipPaths(lua_State *L) {
char *path;
uint8_t *zcf;
size_t i, n, pathlen;
size_t i, n, pathlen, prefixlen;
char *prefix = luaL_optlstring(L, 1, "", &prefixlen);
lua_newtable(L);
i = 0;
n = GetZipCdirRecords(zcdir);
@ -5007,8 +5008,10 @@ static int LuaGetZipPaths(lua_State *L) {
zcf += ZIP_CFILE_HDRSIZE(zcf)) {
CHECK_EQ(kZipCfileHdrMagic, ZIP_CFILE_MAGIC(zcf));
path = GetAssetPath(zcf, &pathlen);
lua_pushlstring(L, path, pathlen);
lua_seti(L, -2, ++i);
if (prefixlen == 0 || startswith(path, prefix)) {
lua_pushlstring(L, path, pathlen);
lua_seti(L, -2, ++i);
}
free(path);
}
return 1;