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-rw-r--r--src/parse/properties.c250
1 files changed, 245 insertions, 5 deletions
diff --git a/src/parse/properties.c b/src/parse/properties.c
index 51ddeab..2ad769d 100644
--- a/src/parse/properties.c
+++ b/src/parse/properties.c
@@ -2031,11 +2031,251 @@ css_error parse_cursor(css_language *c,
const parserutils_vector *vector, int *ctx,
css_style **result)
{
- /** \todo cursor */
- UNUSED(c);
- UNUSED(vector);
- UNUSED(ctx);
- UNUSED(result);
+ css_error error;
+ const css_token *token;
+ uint8_t flags = 0;
+ uint16_t value = 0;
+ uint32_t opv;
+ uint32_t required_size = sizeof(opv);
+ int temp_ctx = *ctx;
+ uint8_t *ptr;
+
+ /* [ URI* IDENT(auto, crosshair, default, pointer, move, e-resize,
+ * ne-resize, nw-resize, n-resize, se-resize, sw-resize,
+ * s-resize, w-resize, text, wait, help, progress) ]
+ * | IDENT(inherit)
+ */
+
+ /* Pass 1: validate input and calculate bytecode size */
+ token = parserutils_vector_iterate(vector, &temp_ctx);
+ if (token == NULL || (token->type != CSS_TOKEN_IDENT &&
+ token->type != CSS_TOKEN_URI))
+ return CSS_INVALID;
+
+ if (token->type == CSS_TOKEN_IDENT &&
+ token->ilower == c->strings[INHERIT]) {
+ flags = FLAG_INHERIT;
+ } else {
+ bool first = true;
+
+ /* URI* */
+ while (token != NULL && token->type == CSS_TOKEN_URI) {
+ const parserutils_hash_entry *uri = token->idata;
+
+ if (first == false) {
+ required_size += sizeof(opv);
+ } else {
+ value = CURSOR_URI;
+ }
+ required_size += sizeof(uri);
+
+ consumeWhitespace(vector, &temp_ctx);
+
+ token = parserutils_vector_peek(vector, temp_ctx);
+ if (token != NULL && tokenIsChar(token, '!')) {
+ break;
+ }
+
+ first = false;
+
+ token = parserutils_vector_iterate(vector, &temp_ctx);
+ }
+
+ /* IDENT */
+ if (token != NULL && token->type == CSS_TOKEN_IDENT) {
+ if (token->ilower == c->strings[AUTO]) {
+ if (first) {
+ value = CURSOR_AUTO;
+ }
+ } else if (token->ilower == c->strings[CROSSHAIR]) {
+ if (first) {
+ value = CURSOR_CROSSHAIR;
+ }
+ } else if (token->ilower == c->strings[DEFAULT]) {
+ if (first) {
+ value = CURSOR_DEFAULT;
+ }
+ } else if (token->ilower == c->strings[POINTER]) {
+ if (first) {
+ value = CURSOR_POINTER;
+ }
+ } else if (token->ilower == c->strings[MOVE]) {
+ if (first) {
+ value = CURSOR_MOVE;
+ }
+ } else if (token->ilower == c->strings[E_RESIZE]) {
+ if (first) {
+ value = CURSOR_E_RESIZE;
+ }
+ } else if (token->ilower == c->strings[NE_RESIZE]) {
+ if (first) {
+ value = CURSOR_NE_RESIZE;
+ }
+ } else if (token->ilower == c->strings[NW_RESIZE]) {
+ if (first) {
+ value = CURSOR_NW_RESIZE;
+ }
+ } else if (token->ilower == c->strings[N_RESIZE]) {
+ if (first) {
+ value = CURSOR_N_RESIZE;
+ }
+ } else if (token->ilower == c->strings[SE_RESIZE]) {
+ if (first) {
+ value = CURSOR_SE_RESIZE;
+ }
+ } else if (token->ilower == c->strings[SW_RESIZE]) {
+ if (first) {
+ value = CURSOR_SW_RESIZE;
+ }
+ } else if (token->ilower == c->strings[S_RESIZE]) {
+ if (first) {
+ value = CURSOR_S_RESIZE;
+ }
+ } else if (token->ilower == c->strings[W_RESIZE]) {
+ if (first) {
+ value = CURSOR_W_RESIZE;
+ }
+ } else if (token->ilower == c->strings[TEXT]) {
+ if (first) {
+ value = CURSOR_TEXT;
+ }
+ } else if (token->ilower == c->strings[WAIT]) {
+ if (first) {
+ value = CURSOR_WAIT;
+ }
+ } else if (token->ilower == c->strings[HELP]) {
+ if (first) {
+ value = CURSOR_HELP;
+ }
+ } else if (token->ilower == c->strings[PROGRESS]) {
+ if (first) {
+ value = CURSOR_PROGRESS;
+ }
+ } else {
+ return CSS_INVALID;
+ }
+
+ if (first == false) {
+ required_size += sizeof(opv);
+ }
+ }
+
+ consumeWhitespace(vector, &temp_ctx);
+
+ token = parserutils_vector_peek(vector, temp_ctx);
+ if (token != NULL && tokenIsChar(token, '!') == false)
+ return CSS_INVALID;
+ }
+
+ error = parse_important(c, vector, &temp_ctx, &flags);
+ if (error != CSS_OK)
+ return error;
+
+ opv = buildOPV(OP_CURSOR, flags, value);
+
+ /* Allocate result */
+ error = css_stylesheet_style_create(c->sheet, required_size, result);
+ if (error != CSS_OK)
+ return error;
+
+ /* Copy OPV to bytecode */
+ ptr = (*result)->bytecode;
+ memcpy(ptr, &opv, sizeof(opv));
+ ptr += sizeof(opv);
+
+ /* Pass 2: construct bytecode */
+ token = parserutils_vector_iterate(vector, ctx);
+ if (token == NULL || (token->type != CSS_TOKEN_IDENT &&
+ token->type != CSS_TOKEN_URI))
+ return CSS_INVALID;
+
+ if (token->type == CSS_TOKEN_IDENT &&
+ token->ilower == c->strings[INHERIT]) {
+ /* Nothing to do */
+ } else {
+ bool first = true;
+
+ /* URI* */
+ while (token != NULL && token->type == CSS_TOKEN_URI) {
+ const parserutils_hash_entry *uri = token->idata;
+
+ if (first == false) {
+ opv = CURSOR_URI;
+ memcpy(ptr, &opv, sizeof(opv));
+ ptr += sizeof(opv);
+ }
+
+ memcpy(ptr, &uri, sizeof(uri));
+ ptr += sizeof(uri);
+
+ consumeWhitespace(vector, ctx);
+
+ token = parserutils_vector_peek(vector, *ctx);
+ if (token != NULL && tokenIsChar(token, '!')) {
+ break;
+ }
+
+ first = false;
+
+ token = parserutils_vector_iterate(vector, ctx);
+ }
+
+ /* IDENT */
+ if (token != NULL && token->type == CSS_TOKEN_IDENT) {
+ if (token->ilower == c->strings[AUTO]) {
+ opv = CURSOR_AUTO;
+ } else if (token->ilower == c->strings[CROSSHAIR]) {
+ opv = CURSOR_CROSSHAIR;
+ } else if (token->ilower == c->strings[DEFAULT]) {
+ opv = CURSOR_DEFAULT;
+ } else if (token->ilower == c->strings[POINTER]) {
+ opv = CURSOR_POINTER;
+ } else if (token->ilower == c->strings[MOVE]) {
+ opv = CURSOR_MOVE;
+ } else if (token->ilower == c->strings[E_RESIZE]) {
+ opv = CURSOR_E_RESIZE;
+ } else if (token->ilower == c->strings[NE_RESIZE]) {
+ opv = CURSOR_NE_RESIZE;
+ } else if (token->ilower == c->strings[NW_RESIZE]) {
+ opv = CURSOR_NW_RESIZE;
+ } else if (token->ilower == c->strings[N_RESIZE]) {
+ opv = CURSOR_N_RESIZE;
+ } else if (token->ilower == c->strings[SE_RESIZE]) {
+ opv = CURSOR_SE_RESIZE;
+ } else if (token->ilower == c->strings[SW_RESIZE]) {
+ opv = CURSOR_SW_RESIZE;
+ } else if (token->ilower == c->strings[S_RESIZE]) {
+ opv = CURSOR_S_RESIZE;
+ } else if (token->ilower == c->strings[W_RESIZE]) {
+ opv = CURSOR_W_RESIZE;
+ } else if (token->ilower == c->strings[TEXT]) {
+ opv = CURSOR_TEXT;
+ } else if (token->ilower == c->strings[WAIT]) {
+ opv = CURSOR_WAIT;
+ } else if (token->ilower == c->strings[HELP]) {
+ opv = CURSOR_HELP;
+ } else if (token->ilower == c->strings[PROGRESS]) {
+ opv = CURSOR_PROGRESS;
+ } else {
+ return CSS_INVALID;
+ }
+
+ if (first == false) {
+ memcpy(ptr, &opv, sizeof(opv));
+ ptr += sizeof(opv);
+ }
+ }
+
+ consumeWhitespace(vector, ctx);
+
+ token = parserutils_vector_peek(vector, *ctx);
+ if (token != NULL && tokenIsChar(token, '!') == false)
+ return CSS_INVALID;
+ }
+
+ error = parse_important(c, vector, ctx, &flags);
+ if (error != CSS_OK)
+ return error;
return CSS_OK;
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-04-23 17:14:51 +0000