1 /*
2 * This file is part of CSSTidy.
3 *
4 * CSSTidy is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
8 *
9 * CSSTidy is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with CSSTidy; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
17 */
18
19 #include "csspp_globals.hpp"
20 extern map< string, vector<string> > shorthands;
21
csstidy()22 csstidy::csstidy()
23 {
24 properties = 0;
25 selectors = 0;
26 charset = "";
27 namesp = "";
28 line = 1;
29 tokens = "{};:()@='\"/,\\!$%&*+.<>?[]^`|~";
30 css_level = "CSS2.1";
31
32 settings["remove_bslash"] = 1;
33 settings["compress_colors"] = 1;
34 settings["compress_font-weight"] = 1;
35 settings["lowercase_s"] = 0;
36 settings["optimise_shorthands"] = 1;
37 settings["remove_last_;"] = 0;
38 settings["case_properties"] = 0;
39 settings["sort_properties"] = 0;
40 settings["sort_selectors"] = 0;
41 settings["merge_selectors"] = 2;
42 settings["discard_invalid_properties"] = 0;
43 settings["allow_html_in_templates"] = 0;
44 settings["silent"] = 0;
45 settings["preserve_css"] = 0;
46 settings["timestamp"] = 0;
47
48 csstemplate.push_back("<span class=\"at\">"); //string before @rule
49 csstemplate.push_back("</span> <span class=\"format\">{</span>\n"); //bracket after @-rule
50 csstemplate.push_back("<span class=\"selector\">"); //string before selector
51 csstemplate.push_back("</span> <span class=\"format\">{</span>\n"); //bracket after selector
52 csstemplate.push_back("<span class=\"property\">"); //string before property
53 csstemplate.push_back("</span><span class=\"value\">"); //string after property+before value
54 csstemplate.push_back("</span><span class=\"format\">;</span>\n"); //string after value
55 csstemplate.push_back("<span class=\"format\">}</span>"); //closing bracket - selector
56 csstemplate.push_back("\n\n"); //space between blocks {...}
57 csstemplate.push_back("\n<span class=\"format\">}</span>\n\n"); //closing bracket @-rule
58 csstemplate.push_back(""); //indent in @-rule
59 csstemplate.push_back("<span class=\"comment\">"); // before comment
60 csstemplate.push_back("</span>\n"); //after comment
61 csstemplate.push_back("\n"); // after last line @-rule
62 }
63
add_token(const token_type ttype,const string data,const bool force)64 void csstidy::add_token(const token_type ttype, const string data, const bool force)
65 {
66 if(settings["preserve_css"] || force) {
67 token temp;
68 temp.type = ttype;
69 temp.data = (ttype == COMMENT) ? data : trim(data);
70 csstokens.push_back(temp);
71 }
72 }
73
copy(const string media,const string selector,const string media_new,const string selector_new)74 void csstidy::copy(const string media, const string selector, const string media_new, const string selector_new)
75 {
76 for(int k = 0; k < css[media][selector].size(); k++)
77 {
78 string property = css[media][selector].at(k);
79 string value = css[media][selector][property];
80 add(media_new,selector_new,property,value);
81 }
82 }
83
add(const string & media,const string & selector,const string & property,const string & value)84 void csstidy::add(const string& media, const string& selector, const string& property, const string& value)
85 {
86 if(settings["preserve_css"]) {
87 return;
88 }
89
90 if(css[media][selector].has(property))
91 {
92 if( !is_important(css[media][selector][property]) || (is_important(css[media][selector][property]) && is_important(value)) )
93 {
94 css[media][selector].erase(property);
95 css[media][selector][property] = trim(value);
96 }
97 }
98 else
99 {
100 css[media][selector][property] = trim(value);
101 }
102 }
103
log(const string msg,const message_type type,int iline)104 void csstidy::log(const string msg, const message_type type, int iline)
105 {
106 message new_msg;
107 new_msg.m = msg;
108 new_msg.t = type;
109 if(iline == 0)
110 {
111 iline = line;
112 }
113 if(logs.count(line) > 0)
114 {
115 for(int i = 0; i < logs[line].size(); ++i)
116 {
117 if(logs[line][i].m == new_msg.m && logs[line][i].t == new_msg.t)
118 {
119 return;
120 }
121 }
122 }
123 logs[line].push_back(new_msg);
124 }
125
unicode(string & istring,int & i)126 string csstidy::unicode(string& istring,int& i)
127 {
128 ++i;
129 string add = "";
130 bool replaced = false;
131
132 while(i < istring.length() && (ctype_xdigit(istring[i]) || ctype_space(istring[i])) && add.length()< 6)
133 {
134 add += istring[i];
135
136 if(ctype_space(istring[i]))
137 {
138 break;
139 }
140 i++;
141 }
142
143 if(hexdec(add) > 47 && hexdec(add) < 58 || hexdec(add) > 64 && hexdec(add) < 91 || hexdec(add) > 96 && hexdec(add) < 123)
144 {
145 string msg = "Replaced unicode notation: Changed \\" + rtrim(add) + " to ";
146 add = static_cast<int>(hexdec(add));
147 msg += add;
148 log(msg,Information);
149 replaced = true;
150 }
151 else
152 {
153 add = trim("\\" + add);
154 }
155
156 if(ctype_xdigit(istring[i+1]) && ctype_space(istring[i]) && !replaced || !ctype_space(istring[i]))
157 {
158 i--;
159 }
160
161 if(add != "\\" || !settings["remove_bslash"] || in_str_array(tokens,istring[i+1]))
162 {
163 return add;
164 }
165 if(add == "\\")
166 {
167 log("Removed unnecessary backslash",Information);
168 }
169 return "";
170 }
171
is_token(string & istring,const int i)172 bool csstidy::is_token(string& istring,const int i)
173 {
174 return (in_str_array(tokens,istring[i]) && !escaped(istring,i));
175 }
176
merge_4value_shorthands(string media,string selector)177 void csstidy::merge_4value_shorthands(string media, string selector)
178 {
179 for(map< string, vector<string> >::iterator i = shorthands.begin(); i != shorthands.end(); ++i )
180 {
181 string temp;
182
183 if(css[media][selector].has(i->second[0]) && css[media][selector].has(i->second[1])
184 && css[media][selector].has(i->second[2]) && css[media][selector].has(i->second[3]))
185 {
186 string important = "";
187 for(int j = 0; j < 4; ++j)
188 {
189 string val = css[media][selector][i->second[j]];
190 if(is_important(val))
191 {
192 important = "!important";
193 temp += gvw_important(val)+ " ";
194 }
195 else
196 {
197 temp += val + " ";
198 }
199 css[media][selector].erase(i->second[j]);
200 }
201 add(media, selector, i->first, shorthand(trim(temp + important)));
202 }
203 }
204 }
205
dissolve_4value_shorthands(string property,string value)206 map<string,string> csstidy::dissolve_4value_shorthands(string property, string value)
207 {
208 map<string, string> ret;
209 extern map< string, vector<string> > shorthands;
210
211 if(shorthands[property][0] == "0")
212 {
213 ret[property] = value;
214 return ret;
215 }
216
217 string important = "";
218 if(is_important(value))
219 {
220 value = gvw_important(value);
221 important = "!important";
222 }
223 vector<string> values = explode(" ",value);
224
225 if(values.size() == 4)
226 {
227 for(int i=0; i < 4; ++i)
228 {
229 ret[shorthands[property][i]] = values[i] + important;
230 }
231 }
232 else if(values.size() == 3)
233 {
234 ret[shorthands[property][0]] = values[0] + important;
235 ret[shorthands[property][1]] = values[1] + important;
236 ret[shorthands[property][3]] = values[1] + important;
237 ret[shorthands[property][2]] = values[2] + important;
238 }
239 else if(values.size() == 2)
240 {
241 for(int i = 0; i < 4; ++i)
242 {
243 ret[shorthands[property][i]] = ((i % 2 != 0)) ? values[1] + important : values[0] + important;
244 }
245 }
246 else
247 {
248 for(int i = 0; i < 4; ++i)
249 {
250 ret[shorthands[property][i]] = values[0] + important;
251 }
252 }
253
254 return ret;
255 }
256
explode_selectors()257 void csstidy::explode_selectors()
258 {
259 // Explode multiple selectors
260 if (settings["merge_selectors"] == 1)
261 {
262 vector<string> new_sels;
263 int lastpos = 0;
264 sel_separate.push_back(cur_selector.length());
265
266 for (int i = 0; i < sel_separate.size(); ++i)
267 {
268 if (i == sel_separate.size()-1) {
269 sel_separate[i] += 1;
270 }
271
272 new_sels.push_back(cur_selector.substr(lastpos,sel_separate[i]-lastpos-1));
273 lastpos = sel_separate[i];
274 }
275
276 if (new_sels.size() > 1)
277 {
278 for (int i = 0; i < new_sels.size(); ++i)
279 {
280 for (pstore::iterator j = css[cur_at][cur_selector].begin(); j != css[cur_at][cur_selector].end(); ++j)
281 {
282 add(cur_at, new_sels[i], j->first, j->second);
283 }
284 }
285 css[cur_at].erase(cur_selector);
286 }
287 }
288 sel_separate = vector<int>();
289 }
290