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r9082: added the ECMA functions encodeURIComponent() and

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decodeURIComponent(), which I am using as part of my object
linearisation code
This commit is contained in:
Andrew Tridgell
2005-08-05 00:31:06 +00:00
committed by Gerald (Jerry) Carter
parent 561aeca649
commit f91f705a14
1 changed files with 81 additions and 0 deletions
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81
source/scripting/ejs/smbcalls_string.c
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@@ -336,6 +336,85 @@ static int ejs_vsprintf(MprVarHandle eid, int argc, struct MprVar **argv)
return ret;
}
/*
encode a string, replacing all non-alpha with %02x form
*/
static int ejs_encodeURIComponent(MprVarHandle eid, int argc, char **argv)
{
int i, j, count=0;
const char *s;
char *ret;
if (argc != 1) {
ejsSetErrorMsg(eid, "encodeURIComponent invalid arguments");
return -1;
}
s = argv[0];
for (i=0;s[i];i++) {
if (!isalnum(s[i])) count++;
}
ret = talloc_size(mprMemCtx(), i + count*2 + 1);
if (ret == NULL) {
return -1;
}
for (i=j=0;s[i];i++,j++) {
if (!isalnum(s[i])) {
snprintf(ret+j, 4, "%%%02X", (unsigned)s[i]);
j += 2;
} else {
ret[j] = s[i];
}
}
ret[j] = 0;
mpr_Return(eid, mprString(ret));
talloc_free(ret);
return 0;
}
/*
encode a string, replacing all non-alpha of %02x form
*/
static int ejs_decodeURIComponent(MprVarHandle eid, int argc, char **argv)
{
int i, j, count=0;
const char *s;
char *ret;
if (argc != 1) {
ejsSetErrorMsg(eid, "decodeURIComponent invalid arguments");
return -1;
}
s = argv[0];
ret = talloc_size(mprMemCtx(), strlen(s) + 1);
if (ret == NULL) {
return -1;
}
for (i=j=0;s[i];i++,j++) {
if (s[i] == '%') {
unsigned c;
if (sscanf(s+i+1, "%02X", &c) != 1) {
ejsSetErrorMsg(eid, "decodeURIComponent bad format");
return -1;
}
ret[j] = c;
i += 2;
} else {
ret[j] = s[i];
}
if (!isalnum(s[i])) count++;
}
ret[j] = 0;
mpr_Return(eid, mprString(ret));
talloc_free(ret);
return 0;
}
/*
initialise string ejs subsystem
*/
@@ -351,6 +430,8 @@ static int ejs_string_init(MprVarHandle eid, int argc, struct MprVar **argv)
mprSetCFunction(obj, "join", ejs_join);
mprSetCFunction(obj, "sprintf", ejs_sprintf);
mprSetCFunction(obj, "vsprintf", ejs_vsprintf);
mprSetStringCFunction(obj, "encodeURIComponent", ejs_encodeURIComponent);
mprSetStringCFunction(obj, "decodeURIComponent", ejs_decodeURIComponent);
return 0;
}