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Diffstat (limited to 'content/handlers/javascript/duktape/DOMTokenList.bnd')
| -rw-r--r-- | content/handlers/javascript/duktape/DOMTokenList.bnd | 163 |
1 files changed, 163 insertions, 0 deletions
diff --git a/content/handlers/javascript/duktape/DOMTokenList.bnd b/content/handlers/javascript/duktape/DOMTokenList.bnd new file mode 100644 index 000000000..928d9ef35 --- /dev/null +++ b/content/handlers/javascript/duktape/DOMTokenList.bnd @@ -0,0 +1,163 @@ +/* DOMTokenList binding for browser using duktape and libdom + * + * Copyright 2015 Vincent Sanders <vince@netsurf-browser.org> + * + * This file is part of NetSurf, http://www.netsurf-browser.org/ + * + * Released under the terms of the MIT License, + * http://www.opensource.org/licenses/mit-license + */ + +class DOMTokenList { + private struct dom_tokenlist *tokens; +}; + +init DOMTokenList(struct dom_tokenlist *tokens) +%{ + priv->tokens = tokens; + dom_tokenlist_ref(tokens); +%} + +fini DOMTokenList() +%{ + dom_tokenlist_unref(priv->tokens); +%} + +getter DOMTokenList::length() +%{ + dom_exception err; + uint32_t len; + + err = dom_tokenlist_get_length(priv->tokens, &len); + + if (err != DOM_NO_ERR) return 0; /* coerced to undefined */ + + duk_push_uint(ctx, (duk_uint_t)len); + + return 1; +%} + +method DOMTokenList::item() +%{ + unsigned long i = duk_to_uint(ctx, 0); + dom_exception err; + dom_string *value; + + err = dom_tokenlist_item(priv->tokens, i, &value); + + if (err != DOM_NO_ERR) return 0; /* coerced to undefined */ + + if (value == NULL) { + duk_push_null(ctx); + return 1; + } + + duk_push_lstring(ctx, dom_string_data(value), dom_string_length(value)); + dom_string_unref(value); + + return 1; +%} + +method DOMTokenList::add() +%{ + dom_exception exc; + dom_string *value; + duk_size_t slen; + const char *s; + duk_idx_t spos; + + for (spos = 0; spos < duk_get_top(ctx); ++spos) { + s = duk_safe_to_lstring(ctx, spos, &slen); + + duk_safe_to_lstring(ctx, 0, &slen); + + exc = dom_string_create_interned((const uint8_t *)s, slen, &value); + if (exc != DOM_NO_ERR) return 0; + + exc = dom_tokenlist_add(priv->tokens, value); + dom_string_unref(value); + } + + return 0; +%} + +method DOMTokenList::remove() +%{ + dom_exception exc; + dom_string *value; + duk_size_t slen; + const char *s; + duk_idx_t spos; + + for (spos = 0; spos < duk_get_top(ctx); ++spos) { + s = duk_safe_to_lstring(ctx, spos, &slen); + + duk_safe_to_lstring(ctx, 0, &slen); + + exc = dom_string_create_interned((const uint8_t *)s, slen, &value); + if (exc != DOM_NO_ERR) return 0; + + exc = dom_tokenlist_remove(priv->tokens, value); + dom_string_unref(value); + } + + return 0; +%} + +method DOMTokenList::contains() +%{ + dom_exception exc; + dom_string *value; + duk_size_t slen; + const char *s = duk_safe_to_lstring(ctx, 0, &slen); + bool present = false; + + exc = dom_string_create_interned((const uint8_t *)s, slen, &value); + if (exc != DOM_NO_ERR) return 0; + + exc = dom_tokenlist_contains(priv->tokens, value, &present); + dom_string_unref(value); + if (exc != DOM_NO_ERR) return 0; + + duk_push_boolean(ctx, present); + + return 1; +%} + +method DOMTokenList::toggle() +%{ + dom_exception exc; + dom_string *value; + duk_size_t slen; + const char *s = duk_require_lstring(ctx, 0, &slen); + bool toggle_set = duk_get_top(ctx) > 1; + bool toggle = duk_opt_boolean(ctx, 1, 0); + bool present; + + exc = dom_string_create_interned((const uint8_t *)s, slen, &value); + if (exc != DOM_NO_ERR) return 0; + + exc = dom_tokenlist_contains(priv->tokens, value, &present); + if (exc != DOM_NO_ERR) { + dom_string_unref(value); + return 0; + } + + /* Decision matrix is based on present, toggle_set, and toggle */ + if (toggle_set) { + if (toggle) { + exc = dom_tokenlist_add(priv->tokens, value); + } else { + exc = dom_tokenlist_remove(priv->tokens, value); + } + } else { + if (present) { + exc = dom_tokenlist_add(priv->tokens, value); + } else { + exc = dom_tokenlist_remove(priv->tokens, value); + } + } + dom_string_unref(value); + + return 0; +%}
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