1 files changed, 77 insertions, 0 deletions
diff --git a/libs/litehtml/src/css_length.cpp b/libs/litehtml/src/css_length.cpp
new file mode 100644
index 0000000000..d1c69d2612
--- /dev/null
+++ b/libs/litehtml/src/css_length.cpp
@@ -0,0 +1,77 @@
+#include "html.h"
+#include "css_length.h"
+
+void litehtml::css_length::fromString( const string& str, const string& predefs, int defValue )
+{
+	// TODO: Make support for calc
+	if(str.substr(0, 4) == "calc")
+	{
+		m_is_predefined = true;
+		m_predef		= defValue;
+		return;
+	}
+
+	int predef = value_index(str, predefs, -1);
+	if(predef >= 0)
+	{
+		m_is_predefined = true;
+		m_predef		= predef;
+	} else
+	{
+		m_is_predefined = false;
+
+		string num;
+		string un;
+		bool is_unit = false;
+		for(char chr : str)
+		{
+			if(!is_unit)
+			{
+				if(t_isdigit(chr) || chr == '.' || chr == '+' || chr == '-')
+				{
+					num += chr;
+				} else
+				{
+					is_unit = true;
+				}
+			}
+			if(is_unit)
+			{
+				un += chr;
+			}
+		}
+		if(!num.empty())
+		{
+			m_value = t_strtof(num);
+			m_units	= (css_units) value_index(un, css_units_strings, css_units_none);
+		} else
+		{
+			// not a number so it is predefined
+			m_is_predefined = true;
+			m_predef = defValue;
+		}
+	}
+}
+
+litehtml::css_length litehtml::css_length::from_string(const string& str, const string& predefs, int defValue)
+{
+	css_length len;
+	len.fromString(str, predefs, defValue);
+	return len;
+}
+
+litehtml::string litehtml::css_length::to_string() const
+{
+    if(m_is_predefined)
+    {
+        return "def(" + std::to_string(m_predef) + ")";
+    }
+    return std::to_string(m_value) + "{" + index_value(m_units, css_units_strings) + "}";
+}
+
+litehtml::css_length litehtml::css_length::predef_value(int val)
+{
+	css_length len;
+	len.predef(val);
+	return len;
+}