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#include <stdio.h>
#include "Wikidiff2.h"
#include "TableDiff.h"
void TableDiff::printAdd(const String & line)
{
result += "<tr>\n"
" <td colspan=\"2\" class=\"diff-empty\"> </td>\n"
" <td class=\"diff-marker\">+</td>\n"
" <td class=\"diff-addedline\">";
printTextWithDiv(line);
result += "</td>\n</tr>\n";
}
void TableDiff::printDelete(const String & line)
{
result += "<tr>\n"
" <td class=\"diff-marker\">−</td>\n"
" <td class=\"diff-deletedline\">";
printTextWithDiv(line);
result += "</td>\n"
" <td colspan=\"2\" class=\"diff-empty\"> </td>\n"
"</tr>\n";
}
void TableDiff::printWordDiff(const String & text1, const String & text2)
{
WordVector words1, words2;
explodeWords(text1, words1);
explodeWords(text2, words2);
WordDiff worddiff(words1, words2);
//debugPrintWordDiff(worddiff);
// print twice; first for left side, then for right side
result += "<tr>\n"
" <td class=\"diff-marker\">−</td>\n"
" <td class=\"diff-deletedline\"><div>";
printWordDiffSide(worddiff, false);
result += "</div></td>\n"
" <td class=\"diff-marker\">+</td>\n"
" <td class=\"diff-addedline\"><div>";
printWordDiffSide(worddiff, true);
result += "</div></td>\n"
"</tr>\n";
}
void TableDiff::printWordDiffSide(WordDiff &worddiff, bool added)
{
String word;
for (unsigned i = 0; i < worddiff.size(); ++i) {
DiffOp<Word> & op = worddiff[i];
int n, j;
if (op.op == DiffOp<Word>::copy) {
n = op.from.size();
if (added) {
for (j=0; j<n; j++) {
op.to[j]->get_whole(word);
printText(word);
}
} else {
for (j=0; j<n; j++) {
op.from[j]->get_whole(word);
printText(word);
}
}
} else if (!added && (op.op == DiffOp<Word>::del || op.op == DiffOp<Word>::change)) {
n = op.from.size();
result += "<del class=\"diffchange diffchange-inline\">";
for (j=0; j<n; j++) {
op.from[j]->get_whole(word);
printText(word);
}
result += "</del>";
} else if (added && (op.op == DiffOp<Word>::add || op.op == DiffOp<Word>::change)) {
n = op.to.size();
result += "<ins class=\"diffchange diffchange-inline\">";
for (j=0; j<n; j++) {
op.to[j]->get_whole(word);
printText(word);
}
result += "</ins>";
}
}
}
void TableDiff::printTextWithDiv(const String & input)
{
// Wrap string in a <div> if it's not empty
if (input.size() > 0) {
result.append("<div>");
printText(input);
result.append("</div>");
}
}
void TableDiff::printBlockHeader(int leftLine, int rightLine)
{
char buf[256]; // should be plenty
snprintf(buf, sizeof(buf),
"<tr>\n"
" <td colspan=\"2\" class=\"diff-lineno\"><!--LINE %u--></td>\n"
" <td colspan=\"2\" class=\"diff-lineno\"><!--LINE %u--></td>\n"
"</tr>\n",
leftLine, rightLine);
result += buf;
}
void TableDiff::printContext(const String & input)
{
result +=
"<tr>\n"
" <td class=\"diff-marker\"> </td>\n"
" <td class=\"diff-context\">";
printTextWithDiv(input);
result +=
"</td>\n"
" <td class=\"diff-marker\"> </td>\n"
" <td class=\"diff-context\">";
printTextWithDiv(input);
result += "</td>\n</tr>\n";
}
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