/*
* This file is part of CSSTidy.
*
* CSSTidy 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 2 of the License, or
* (at your option) any later version.
*
* CSSTidy 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 CSSTidy; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "csspp_globals.hpp"
extern map< string, vector<string> > shorthands;
csstidy::csstidy()
{
properties = 0;
selectors = 0;
charset = "";
namesp = "";
line = 1;
tokens = "{};:()@='\"/,\\!$%&*+.<>?[]^`|~";
css_level = "CSS2.1";
settings["remove_bslash"] = 1;
settings["compress_colors"] = 1;
settings["compress_font-weight"] = 1;
settings["lowercase_s"] = 0;
settings["optimise_shorthands"] = 0;
settings["remove_last_;"] = 0;
settings["case_properties"] = 0;
settings["sort_properties"] = 0;
settings["sort_selectors"] = 0;
settings["merge_selectors"] = 1;
settings["discard_invalid_properties"] = 0;
settings["allow_html_in_templates"] = 0;
settings["silent"] = 0;
settings["preserve_css"] = 1;
csstemplate.push_back("<span class=\"at\">"); //string before @rule
csstemplate.push_back("</span> <span class=\"format\">{</span>\n"); //bracket after @-rule
csstemplate.push_back("<span class=\"selector\">"); //string before selector
csstemplate.push_back("</span> <span class=\"format\">{</span>\n"); //bracket after selector
csstemplate.push_back("<span class=\"property\">"); //string before property
csstemplate.push_back("</span><span class=\"value\">"); //string after property+before value
csstemplate.push_back("</span><span class=\"format\">;</span>\n"); //string after value
csstemplate.push_back("<span class=\"format\">}</span>"); //closing bracket - selector
csstemplate.push_back("\n\n"); //space between blocks {...}
csstemplate.push_back("\n<span class=\"format\">}</span>\n\n"); //closing bracket @-rule
csstemplate.push_back(""); //indent in @-rule
csstemplate.push_back("<span class=\"comment\">"); // before comment
csstemplate.push_back("</span>\n"); //after comment
csstemplate.push_back("\n"); // between comments
}
void csstidy::add_token(const token_type ttype, const string data, const bool force)
{
if(settings["preserve_css"] || force) {
token temp;
temp.type = ttype;
temp.data = (ttype == COMMENT) ? data : trim(data);
csstokens.push_back(temp);
}
}
void csstidy::set(string& media, string& selector, string& property, string& value)
{
css[media][selector][property] = value;
}
string csstidy::get(string media, string selector, string property)
{
return css[media][selector][property];
}
void csstidy::copy(const string media, const string selector, const string media_new, const string selector_new)
{
for(int k = 0; k < css[media][selector].size(); k++)
{
string property = css[media][selector].at(k);
string value = css[media][selector][property];
add(media_new,selector_new,property,value);
}
}
void csstidy::remove(string media, string selector)
{
css[media].erase(selector);
}
// Adds a property-value pair to an existing CSS structure
void csstidy::add(const string& media, const string& selector, const string& property, const string& value)
{
if(settings["preserve_css"]) {
return;
}
if(css[media][selector].has(property))
{
if( !is_important(css[media][selector][property]) || (is_important(css[media][selector][property]) && is_important(value)) )
{
css[media][selector].erase(property);
css[media][selector][property] = trim(value);
}
}
else
{
css[media][selector][property] = trim(value);
}
}
void csstidy::log(const string msg, const message_type type, int iline)
{
message new_msg;
new_msg.m = msg;
new_msg.t = type;
if(iline == 0)
{
iline = line;
}
if(logs.count(line) > 0)
{
for(int i = 0; i < logs[line].size(); ++i)
{
if(logs[line][i].m == new_msg.m && logs[line][i].t == new_msg.t)
{
return;
}
}
}
logs[line].push_back(new_msg);
}
string csstidy::unicode(string& istring,int& i)
{
++i;
string add = "";
bool replaced = false;
while(i < istring.length() && (ctype_xdigit(istring[i]) || ctype_space(istring[i])) && add.length()< 6)
{
add += istring[i];
if(ctype_space(istring[i]))
{
break;
}
i++;
}
if(hexdec(add) > 47 && hexdec(add) < 58 || hexdec(add) > 64 && hexdec(add) < 91 || hexdec(add) > 96 && hexdec(add) < 123)
{
string msg = "Replaced unicode notation: Changed \\" + rtrim(add) + " to ";
add = static_cast<int>(hexdec(add));
msg += add;
log(msg,Information);
replaced = true;
}
else
{
add = trim("\\" + add);
}
if(ctype_xdigit(istring[i+1]) && ctype_space(istring[i]) && !replaced || !ctype_space(istring[i]))
{
i--;
}
if(add != "\\" || !settings["remove_bslash"] || in_str_array(tokens,istring[i+1]))
{
return add;
}
if(add == "\\")
{
log("Removed unnecessary backslash",Information);
}
return "";
}
bool csstidy::is_token(string& istring,const int i)
{
return (in_str_array(tokens,istring[i]) && !escaped(istring,i));
}
void csstidy::merge_4value_shorthands(string media, string selector)
{
for(map< string, vector<string> >::iterator i = shorthands.begin(); i != shorthands.end(); ++i )
{
string temp;
if(css[media][selector].has(i->second[0]) && css[media][selector].has(i->second[1])
&& css[media][selector].has(i->second[2]) && css[media][selector].has(i->second[3]))
{
string important = "";
for(int j = 0; j < 4; ++j)
{
string val = get(media, selector, i->second[j]);
if(is_important(val))
{
important = " !important";
temp += gvw_important(val)+ " ";
}
else
{
temp += val + " ";
}
css[media][selector].erase(i->second[j]);
}
add(media, selector, i->first, shorthand(trim(temp + important)));
}
}
}
map<string,string> csstidy::dissolve_4value_shorthands(string property, string value)
{
map<string, string> ret;
extern map< string, vector<string> > shorthands;
if(shorthands[property][0] == "0")
{
ret[property] = value;
return ret;
}
string important = "";
if(is_important(value))
{
value = gvw_important(value);
important = " !important";
}
vector<string> values = explode(" ",value);
if(values.size() == 4)
{
for(int i=0; i < 4; ++i)
{
ret[shorthands[property][i]] = values[i] + important;
}
}
else if(values.size() == 3)
{
ret[shorthands[property][0]] = values[0] + important;
ret[shorthands[property][1]] = values[1] + important;
ret[shorthands[property][3]] = values[1] + important;
ret[shorthands[property][2]] = values[2] + important;
}
else if(values.size() == 2)
{
for(int i = 0; i < 4; ++i)
{
ret[shorthands[property][i]] = ((i % 2 != 0)) ? values[1] + important : values[0] + important;
}
}
else
{
for(int i = 0; i < 4; ++i)
{
ret[shorthands[property][i]] = values[0] + important;
}
}
return ret;
}