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@@ -5,14 +5,79 @@
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#include <QDebug>
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#include "vpalette.h"
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+#include "vconfigmanager.h"
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extern VPalette *g_palette;
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+extern VConfigManager *g_config;
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+
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VWebUtils::VWebUtils()
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{
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}
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-bool VWebUtils::fixImageSrcInHtml(const QUrl &p_baseUrl, QString &p_html)
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+void VWebUtils::init()
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+{
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+ m_stylesToRemoveWhenCopied = g_config->getStylesToRemoveWhenCopied();
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+
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+ m_styleOfSpanForMark = g_config->getStyleOfSpanForMark();
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+
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+ m_tagReg = QRegExp("<([^>/\\s]+)([^>]*)>");
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+
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+ m_styleTagReg = QRegExp("<([^>\\s]+)([^>]*\\s)style=\"([^\">]+)\"([^>]*)>");
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+
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+ initCopyTargets(g_config->getCopyTargets());
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+}
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+
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+void VWebUtils::initCopyTargets(const QStringList &p_str)
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+{
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+ Q_ASSERT(m_copyTargets.isEmpty());
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+ // cap(1): action;
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+ // cap(3): arguments;
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+ QRegExp actReg("([0-9a-zA-Z])(\\(([^\\)]*)\\))?");
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+
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+ for (auto const & str : p_str) {
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+ auto vals = str.split('$');
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+ if (vals.size() != 2) {
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+ continue;
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+ }
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+
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+ CopyTarget tar;
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+ tar.m_name = vals[0];
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+ if (tar.m_name.isEmpty()) {
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+ continue;
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+ }
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+
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+ auto acts = vals[1].split(':');
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+ for (auto const & it : acts) {
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+ if (it.isEmpty()) {
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+ continue;
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+ }
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+
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+ if (!actReg.exactMatch(it)) {
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+ continue;
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+ }
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+
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+ if (actReg.cap(1).size() != 1) {
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+ continue;
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+ }
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+
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+ CopyTargetAction act;
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+ act.m_act = actReg.cap(1)[0];
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+
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+ if (!actReg.cap(3).isEmpty()) {
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+ act.m_args = actReg.cap(3).toLower().split('|');
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+ }
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+
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+ tar.m_actions.append(act);
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+ }
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+
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+ m_copyTargets.append(tar);
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+ }
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+
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+ qDebug() << "init" << m_copyTargets.size() << "copy targets";
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+}
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+
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+bool VWebUtils::fixImageSrc(const QUrl &p_baseUrl, QString &p_html)
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{
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bool changed = false;
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@@ -61,15 +126,142 @@ bool VWebUtils::fixImageSrcInHtml(const QUrl &p_baseUrl, QString &p_html)
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return changed;
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}
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-bool VWebUtils::removeBackgroundColor(QString &p_html)
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+QStringList VWebUtils::getCopyTargetsName() const
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{
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- QRegExp reg("(<[^>]+\\sstyle=[^>]*(\\s|\"))background(-color)?:[^;]+;([^>]*>)");
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+ QStringList names;
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+ for (auto const & it : m_copyTargets) {
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+ names << it.m_name;
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+ }
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+
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+ return names;
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+}
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+
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+bool VWebUtils::alterHtmlAsTarget(const QUrl &p_baseUrl, QString &p_html, const QString &p_target) const
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+{
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+ int idx = targetIndex(p_target);
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+ if (idx == -1) {
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+ return false;
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+ }
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+
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+ bool altered = false;
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+ for (auto const & act : m_copyTargets[idx].m_actions) {
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+ if (const_cast<VWebUtils *>(this)->alterHtmlByTargetAction(p_baseUrl, p_html, act)) {
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+ altered = true;
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+ }
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+ }
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+
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+ return altered;
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+}
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+
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+int VWebUtils::targetIndex(const QString &p_target) const
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+{
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+ if (p_target.isEmpty()) {
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+ return -1;
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+ }
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+
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+ for (int i = 0; i < m_copyTargets.size(); ++i) {
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+ if (m_copyTargets[i].m_name == p_target) {
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+ return i;
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+ }
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+ }
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+
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+ return -1;
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+}
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+
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+bool VWebUtils::alterHtmlByTargetAction(const QUrl &p_baseUrl, QString &p_html, const CopyTargetAction &p_action)
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+{
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+ bool altered = false;
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+ switch (p_action.m_act.toLatin1()) {
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+ case 's':
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+ if (!p_html.startsWith("<html>")) {
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+ p_html = "<html><body>" + p_html + "</body></html>";
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+ altered = true;
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+ }
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+
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+ break;
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+
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+ case 'b':
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+ altered = removeBackgroundColor(p_html, p_action.m_args);
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+ break;
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+
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+ case 'c':
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+ altered = translateColors(p_html, p_action.m_args);
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+ break;
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+
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+ case 'i':
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+ altered = fixImageSrc(p_baseUrl, p_html);
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+ break;
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+
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+ case 'm':
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+ altered = removeMarginPadding(p_html, p_action.m_args);
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+ break;
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+
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+ case 'x':
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+ altered = removeStylesToRemoveWhenCopied(p_html, p_action.m_args);
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+ break;
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+
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+ case 'r':
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+ altered = removeAllStyles(p_html, p_action.m_args);
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+ break;
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+
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+ case 'a':
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+ altered = transformMarkToSpan(p_html);
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+ break;
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+
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+ case 'p':
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+ altered = replacePreBackgroundColorWithCode(p_html);
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+ break;
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+
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+ default:
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+ break;
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+ }
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+
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+ return altered;
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+}
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+
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+static int skipToTagEnd(const QString &p_html, int p_pos, const QString &p_tag)
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+{
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+ QRegExp beginReg(QString("<%1 ").arg(p_tag));
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+ QRegExp endReg(QString("</%1>").arg(p_tag));
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+
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+ int pos = p_pos;
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+ int nBegin = p_html.indexOf(beginReg, pos);
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+ int nEnd = p_html.indexOf(endReg, pos);
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+ if (nBegin > -1 && nBegin < nEnd) {
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+ // Nested tag.
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+ pos = skipToTagEnd(p_html, nBegin + beginReg.matchedLength(), p_tag);
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+ nEnd = p_html.indexOf(endReg, pos);
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+ }
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+
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+ if (nEnd > -1) {
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+ pos = nEnd + endReg.matchedLength();
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+ }
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+
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+ return pos;
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+}
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+
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+// @p_html is the style string.
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+static bool removeStylesInStyleString(QString &p_html, const QStringList &p_styles)
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+{
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+ if (p_styles.isEmpty()) {
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+ return false;
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+ }
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+
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int size = p_html.size();
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- p_html.replace(reg, "\\1\\4");
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- return p_html.size() != size;
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+ QRegExp reg(QString("(\\s|^)(%1):[^:]+;").arg(p_styles.join('|')));
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+ p_html.remove(reg);
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+
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+ return size != p_html.size();
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}
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-bool VWebUtils::translateColors(QString &p_html)
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+bool VWebUtils::removeBackgroundColor(QString &p_html, const QStringList &p_skipTags)
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+{
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+ QStringList styles({"background", "background-color"});
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+
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+ return removeStyles(p_html, p_skipTags, styles);
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+}
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+
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+bool VWebUtils::translateColors(QString &p_html, const QStringList &p_skipTags)
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{
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bool changed = false;
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@@ -78,20 +270,34 @@ bool VWebUtils::translateColors(QString &p_html)
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return changed;
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}
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- QRegExp tagReg("(<[^>]+\\sstyle=[^>]*>)");
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// Won't mixed up with background-color.
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- QRegExp colorReg("(\\s|\")color:([^;]+);");
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+ QRegExp colorReg("(\\s|^)color:([^;]+);");
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int pos = 0;
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while (pos < p_html.size()) {
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- int idx = p_html.indexOf(tagReg, pos);
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+ int tagIdx = p_html.indexOf(m_tagReg, pos);
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+ if (tagIdx == -1) {
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+ break;
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+ }
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+
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+ QString tagName = m_tagReg.cap(1);
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+ if (p_skipTags.contains(tagName.toLower())) {
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+ // Skip this tag.
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+ pos = skipToTagEnd(p_html, tagIdx + m_tagReg.matchedLength(), tagName);
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+ continue;
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+ }
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+
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+ pos = tagIdx;
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+ int idx = p_html.indexOf(m_styleTagReg, pos);
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if (idx == -1) {
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break;
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+ } else if (idx != tagIdx) {
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+ pos = tagIdx + m_tagReg.matchedLength();
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+ continue;
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}
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- QString styleStr = tagReg.cap(1);
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+ QString styleStr = m_styleTagReg.cap(3);
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QString alteredStyleStr = styleStr;
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-
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int posb = 0;
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while (posb < alteredStyleStr.size()) {
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int idxb = alteredStyleStr.indexOf(colorReg, posb);
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@@ -108,19 +314,280 @@ bool VWebUtils::translateColors(QString &p_html)
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// Replace the color.
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QString newCol = it.value();
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- // Add one extra space between color and :.
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- QString newStr = QString("%1color : %2;").arg(colorReg.cap(1)).arg(newCol);
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+ // Should not add extra space before :.
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+ QString newStr = QString("%1color: %2;").arg(colorReg.cap(1)).arg(newCol);
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alteredStyleStr.replace(idxb, colorReg.matchedLength(), newStr);
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posb = idxb + newStr.size();
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changed = true;
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}
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- pos = idx + tagReg.matchedLength();
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if (changed) {
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- pos = pos + alteredStyleStr.size() - styleStr.size();
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- p_html.replace(idx, tagReg.matchedLength(), alteredStyleStr);
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+ QString newTag = QString("<%1%2style=\"%3\"%4>").arg(m_styleTagReg.cap(1))
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+ .arg(m_styleTagReg.cap(2))
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+ .arg(alteredStyleStr)
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+ .arg(m_styleTagReg.cap(4));
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+
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+ p_html.replace(idx, m_styleTagReg.matchedLength(), newTag);
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+
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+ pos = idx + newTag.size();
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+ } else {
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+ pos = idx + m_styleTagReg.matchedLength();
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}
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}
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return changed;
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}
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+
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+bool VWebUtils::removeMarginPadding(QString &p_html, const QStringList &p_skipTags)
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+{
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+ QStringList styles({"margin", "margin-left", "margin-right",
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+ "padding", "padding-left", "padding-right"});
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+
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+ return removeStyles(p_html, p_skipTags, styles);
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+}
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+
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+bool VWebUtils::removeStyles(QString &p_html, const QStringList &p_skipTags, const QStringList &p_styles)
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+{
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+ if (p_styles.isEmpty()) {
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+ return false;
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+ }
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+
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+ bool altered = false;
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+ int pos = 0;
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+
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+ while (pos < p_html.size()) {
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+ int tagIdx = p_html.indexOf(m_tagReg, pos);
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+ if (tagIdx == -1) {
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+ break;
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+ }
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+
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+ QString tagName = m_tagReg.cap(1);
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+ if (p_skipTags.contains(tagName.toLower())) {
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+ // Skip this tag.
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+ pos = skipToTagEnd(p_html, tagIdx + m_tagReg.matchedLength(), tagName);
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+ continue;
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+ }
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+
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+ pos = tagIdx;
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+ int idx = p_html.indexOf(m_styleTagReg, pos);
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+ if (idx == -1) {
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+ break;
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+ } else if (idx != tagIdx) {
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+ pos = tagIdx + m_tagReg.matchedLength();
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+ continue;
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+ }
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+
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+ QString styleStr = m_styleTagReg.cap(3);
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+ if (removeStylesInStyleString(styleStr, p_styles)) {
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+ QString newTag = QString("<%1%2style=\"%3\"%4>").arg(m_styleTagReg.cap(1))
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+ .arg(m_styleTagReg.cap(2))
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+ .arg(styleStr)
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+ .arg(m_styleTagReg.cap(4));
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+ p_html.replace(idx, m_styleTagReg.matchedLength(), newTag);
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+
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+ pos = idx + newTag.size();
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+
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+ altered = true;
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+ } else {
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+ pos = idx + m_styleTagReg.matchedLength();
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+ }
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+ }
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+
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+ return altered;
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+}
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+
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+bool VWebUtils::removeStylesToRemoveWhenCopied(QString &p_html, const QStringList &p_skipTags)
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+{
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+ return removeStyles(p_html, p_skipTags, m_stylesToRemoveWhenCopied);
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+}
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+
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+bool VWebUtils::removeAllStyles(QString &p_html, const QStringList &p_skipTags)
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+{
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+ bool altered = false;
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+ int pos = 0;
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+
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+ while (pos < p_html.size()) {
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+ int tagIdx = p_html.indexOf(m_tagReg, pos);
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+ if (tagIdx == -1) {
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+ break;
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+ }
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+
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+ QString tagName = m_tagReg.cap(1);
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+ if (p_skipTags.contains(tagName.toLower())) {
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+ // Skip this tag.
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+ pos = skipToTagEnd(p_html, tagIdx + m_tagReg.matchedLength(), tagName);
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+ continue;
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+ }
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+
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+ pos = tagIdx;
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+ int idx = p_html.indexOf(m_styleTagReg, pos);
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+ if (idx == -1) {
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+ break;
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+ } else if (idx != tagIdx) {
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+ pos = tagIdx + m_tagReg.matchedLength();
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+ continue;
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+ }
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+
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+ QString newTag = QString("<%1%2%3>").arg(m_styleTagReg.cap(1))
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+ .arg(m_styleTagReg.cap(2))
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+ .arg(m_styleTagReg.cap(4));
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+ p_html.replace(idx, m_styleTagReg.matchedLength(), newTag);
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+
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+ pos = idx + newTag.size();
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+
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+ altered = true;
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+ }
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+
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+ return altered;
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+}
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+
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+bool VWebUtils::transformMarkToSpan(QString &p_html)
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+{
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+ bool altered = false;
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+ int pos = 0;
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+
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+ while (pos < p_html.size()) {
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+ int tagIdx = p_html.indexOf(m_tagReg, pos);
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+ if (tagIdx == -1) {
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+ break;
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+ }
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+
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+ QString tagName = m_tagReg.cap(1);
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+ if (tagName.toLower() != "mark") {
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+ pos = tagIdx + m_tagReg.matchedLength();
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+ continue;
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+ }
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+
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+ pos = tagIdx;
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+ int idx = p_html.indexOf(m_styleTagReg, pos);
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+ if (idx == -1 || idx != tagIdx) {
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+ // <mark> without "style".
|
|
|
+ QString newTag = QString("<span style=\"%1\" %2>").arg(m_styleOfSpanForMark)
|
|
|
+ .arg(m_tagReg.cap(2));
|
|
|
+ p_html.replace(tagIdx, m_tagReg.matchedLength(), newTag);
|
|
|
+
|
|
|
+ pos = tagIdx + newTag.size();
|
|
|
+
|
|
|
+ altered = true;
|
|
|
+ continue;
|
|
|
+ }
|
|
|
+
|
|
|
+ QString newTag = QString("<span%1style=\"%2\"%3>").arg(m_styleTagReg.cap(2))
|
|
|
+ .arg(m_styleTagReg.cap(3) + m_styleOfSpanForMark)
|
|
|
+ .arg(m_styleTagReg.cap(4));
|
|
|
+ p_html.replace(idx, m_styleTagReg.matchedLength(), newTag);
|
|
|
+
|
|
|
+ pos = idx + newTag.size();
|
|
|
+
|
|
|
+ altered = true;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (altered) {
|
|
|
+ // Replace all </mark> with </span>.
|
|
|
+ p_html.replace("</mark>", "</span>");
|
|
|
+ }
|
|
|
+
|
|
|
+ return altered;
|
|
|
+}
|
|
|
+
|
|
|
+bool VWebUtils::replacePreBackgroundColorWithCode(QString &p_html)
|
|
|
+{
|
|
|
+ if (p_html.isEmpty()) {
|
|
|
+ return false;
|
|
|
+ }
|
|
|
+
|
|
|
+ bool altered = false;
|
|
|
+ int pos = 0;
|
|
|
+
|
|
|
+ QRegExp bgReg("(\\s|^)(background(-color)?:[^;]+;)");
|
|
|
+
|
|
|
+ while (pos < p_html.size()) {
|
|
|
+ int tagIdx = p_html.indexOf(m_tagReg, pos);
|
|
|
+ if (tagIdx == -1) {
|
|
|
+ break;
|
|
|
+ }
|
|
|
+
|
|
|
+ QString tagName = m_tagReg.cap(1);
|
|
|
+ pos = tagIdx + m_tagReg.matchedLength();
|
|
|
+ if (tagName.toLower() != "pre") {
|
|
|
+ continue;
|
|
|
+ }
|
|
|
+
|
|
|
+ int preEnd = skipToTagEnd(p_html, pos, tagName);
|
|
|
+
|
|
|
+ HtmlTag nextTag = readNextTag(p_html, pos);
|
|
|
+ if (nextTag.m_name != "code"
|
|
|
+ || nextTag.m_start >= preEnd
|
|
|
+ || nextTag.m_style.isEmpty()) {
|
|
|
+ continue;
|
|
|
+ }
|
|
|
+
|
|
|
+ // Get the background style of <code>.
|
|
|
+ int idx = nextTag.m_style.indexOf(bgReg);
|
|
|
+ if (idx == -1) {
|
|
|
+ continue;
|
|
|
+ }
|
|
|
+
|
|
|
+ QString bgStyle = bgReg.cap(2);
|
|
|
+
|
|
|
+ pos = tagIdx;
|
|
|
+ idx = p_html.indexOf(m_styleTagReg, pos);
|
|
|
+ if (idx == -1 || idx != tagIdx) {
|
|
|
+ // <pre> without "style".
|
|
|
+ QString newTag = QString("<%1 style=\"%2\" %3>").arg(m_tagReg.cap(1))
|
|
|
+ .arg(bgStyle)
|
|
|
+ .arg(m_tagReg.cap(2));
|
|
|
+ p_html.replace(tagIdx, m_tagReg.matchedLength(), newTag);
|
|
|
+
|
|
|
+ pos = tagIdx + newTag.size();
|
|
|
+
|
|
|
+ altered = true;
|
|
|
+ continue;
|
|
|
+ }
|
|
|
+
|
|
|
+ QString newTag;
|
|
|
+ if (m_styleTagReg.cap(3).indexOf(bgReg) == -1) {
|
|
|
+ // No background style specified.
|
|
|
+ newTag = QString("<%1%2style=\"%3\"%4>").arg(m_styleTagReg.cap(1))
|
|
|
+ .arg(m_styleTagReg.cap(2))
|
|
|
+ .arg(m_styleTagReg.cap(3) + bgStyle)
|
|
|
+ .arg(m_styleTagReg.cap(4));
|
|
|
+ } else {
|
|
|
+ // Replace background style.
|
|
|
+ newTag = QString("<%1%2style=\"%3\"%4>").arg(m_styleTagReg.cap(1))
|
|
|
+ .arg(m_styleTagReg.cap(2))
|
|
|
+ .arg(m_styleTagReg.cap(3).replace(bgReg, " " + bgStyle))
|
|
|
+ .arg(m_styleTagReg.cap(4));
|
|
|
+ }
|
|
|
+
|
|
|
+ p_html.replace(idx, m_styleTagReg.matchedLength(), newTag);
|
|
|
+
|
|
|
+ pos = idx + newTag.size();
|
|
|
+
|
|
|
+ altered = true;
|
|
|
+ }
|
|
|
+
|
|
|
+ return altered;
|
|
|
+}
|
|
|
+
|
|
|
+VWebUtils::HtmlTag VWebUtils::readNextTag(const QString &p_html, int p_pos)
|
|
|
+{
|
|
|
+ HtmlTag tag;
|
|
|
+
|
|
|
+ int tagIdx = p_html.indexOf(m_tagReg, p_pos);
|
|
|
+ if (tagIdx == -1) {
|
|
|
+ return tag;
|
|
|
+ }
|
|
|
+
|
|
|
+ tag.m_name = m_tagReg.cap(1);
|
|
|
+ tag.m_start = tagIdx;
|
|
|
+ tag.m_end = skipToTagEnd(p_html, tagIdx + m_tagReg.matchedLength(), tag.m_name);
|
|
|
+
|
|
|
+ int idx = p_html.indexOf(m_styleTagReg, tagIdx);
|
|
|
+ if (idx == -1 || idx != tagIdx) {
|
|
|
+ return tag;
|
|
|
+ }
|
|
|
+
|
|
|
+ tag.m_style = m_styleTagReg.cap(3);
|
|
|
+ return tag;
|
|
|
+}
|
Le Tan