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jscript: Implement character escaping as described by ECMA-262 B.2.1.

This commit is contained in:
Peter Urbanec 2011-02-18 21:05:46 +11:00 committed by Alexandre Julliard
parent 27bb5a0f52
commit 36391faf45
1 changed files with 9 additions and 4 deletions
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13
dlls/jscript/global.c
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@ -99,6 +99,13 @@ static inline BOOL is_uri_unescaped(WCHAR c)
return c < 128 && uri_char_table[c] == 2;
}
/* Check that the character is one of the 69 nonblank characters as defined by ECMA-262 B.2.1 */
static inline BOOL is_ecma_nonblank(const WCHAR c)
{
return ((c >= 'A' && c <= 'Z') || (c >= 'a' && c <= 'z') || (c >= '0' && c <= '9') ||
c == '@' || c == '*' || c == '_' || c == '+' || c == '-' || c == '.' || c == '/');
}
static WCHAR int_to_char(int i)
{
if(i < 10)
@ -290,8 +297,7 @@ static HRESULT JSGlobal_escape(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, D
for(ptr=str; *ptr; ptr++) {
if(*ptr > 0xff)
len += 6;
else if(isalnum((unsigned char)*ptr) || *ptr=='*' || *ptr=='@' || *ptr=='-'
|| *ptr=='_' || *ptr=='+' || *ptr=='.' || *ptr=='/')
else if(is_ecma_nonblank(*ptr))
len++;
else
len += 3;
@ -313,8 +319,7 @@ static HRESULT JSGlobal_escape(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, D
ret[len++] = int_to_char((*ptr >> 4) & 0xf);
ret[len++] = int_to_char(*ptr & 0xf);
}
else if(isalnum((char)*ptr) || *ptr=='*' || *ptr=='@' || *ptr=='-'
|| *ptr=='_' || *ptr=='+' || *ptr=='.' || *ptr=='/')
else if(is_ecma_nonblank(*ptr))
ret[len++] = *ptr;
else {
ret[len++] = '%';