started to implement the CSSParser. First iteration only contains the CSS Specificity.

2 files changed, 91 insertions, 0 deletions

diff --git a/src/core/utils/CSSParser.cpp b/src/core/utils/CSSParser.cpp
new file mode 100644
index 0000000..6ac98fa
--- /dev/null
+++ b/src/core/utils/CSSParser.cpp
@@ -0,0 +1,27 @@
+/*
+    Ousía
+    Copyright (C) 2014  Benjamin Paaßen, Andreas Stöckel
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "CSSParser.hpp"
+
+namespace ousia {
+namespace utils {
+
+
+
+}
+}
diff --git a/src/core/utils/CSSParser.hpp b/src/core/utils/CSSParser.hpp
new file mode 100644
index 0000000..4e82371
--- /dev/null
+++ b/src/core/utils/CSSParser.hpp
@@ -0,0 +1,64 @@
+/*
+    Ousía
+    Copyright (C) 2014  Benjamin Paaßen, Andreas Stöckel
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef _OUSIA_UTILS_CSS_PARSER_HPP_
+#define _OUSIA_UTILS_CSS_PARSER_HPP_
+
+#include <istream>
+#include <tuple>
+
+namespace ousia {
+namespace utils {
+
+/*
+ * The Specificity or Precedence of a CSS RuleSet, which decides which
+ * rules are applied when different RuleSets contain conflicting information.
+ *
+ * The Specificity is calculated using the official W3C recommendation
+ * http://www.w3.org/TR/CSS2/cascade.html#specificity
+ *
+ * Note that we do not need to use the integer 'a', since we do not allow
+ * local style definitions for single nodes.
+ */
+struct Specificity {
+
+int b;
+int c;
+int d;
+
+Specificity(int b, int c, int d): b(b), c(c), d(d) {}
+
+};
+
+
+bool operator< (const Specificity &x, const Specificity &y){
+	return std::tie(x.b, x.c, x.d) < std::tie(y.b, y.c, y.d);
+}
+
+bool operator> (const Specificity &x, const Specificity &y){
+	return std::tie(x.b, x.c, x.d) > std::tie(y.b, y.c, y.d);
+}
+
+bool operator== (const Specificity &x, const Specificity &y){
+	return std::tie(x.b, x.c, x.d) == std::tie(y.b, y.c, y.d);
+}
+
+}
+}
+
+#endif