diff options
Diffstat (limited to 'src/gui/text/qtextmarkdownimporter.cpp')
| -rw-r--r-- | src/gui/text/qtextmarkdownimporter.cpp | 132 |
1 files changed, 77 insertions, 55 deletions
diff --git a/src/gui/text/qtextmarkdownimporter.cpp b/src/gui/text/qtextmarkdownimporter.cpp index d8ffec2496..223eb01e55 100644 --- a/src/gui/text/qtextmarkdownimporter.cpp +++ b/src/gui/text/qtextmarkdownimporter.cpp @@ -40,7 +40,9 @@ #include "qtextmarkdownimporter_p.h" #include "qtextdocumentfragment_p.h" #include <QLoggingCategory> +#if QT_CONFIG(regularexpression) #include <QRegularExpression> +#endif #include <QTextCursor> #include <QTextDocument> #include <QTextDocumentFragment> @@ -149,25 +151,16 @@ int QTextMarkdownImporter::cbEnterBlock(int blockType, void *det) m_blockType = blockType; switch (blockType) { case MD_BLOCK_P: - if (m_listStack.isEmpty()) { - m_needsInsertBlock = true; + if (!m_listStack.isEmpty()) + qCDebug(lcMD, m_listItem ? "P of LI at level %d" : "P continuation inside LI at level %d", m_listStack.count()); + else qCDebug(lcMD, "P"); - } else { - if (m_emptyListItem) { - qCDebug(lcMD, "LI text block at level %d -> BlockIndent %d", - m_listStack.count(), m_cursor->blockFormat().indent()); - m_emptyListItem = false; - } else { - qCDebug(lcMD, "P inside LI at level %d", m_listStack.count()); - m_needsInsertBlock = true; - } - } + m_needsInsertBlock = true; break; - case MD_BLOCK_QUOTE: { + case MD_BLOCK_QUOTE: ++m_blockQuoteDepth; qCDebug(lcMD, "QUOTE level %d", m_blockQuoteDepth); break; - } case MD_BLOCK_CODE: { MD_BLOCK_CODE_DETAIL *detail = static_cast<MD_BLOCK_CODE_DETAIL *>(det); m_codeBlock = true; @@ -192,51 +185,40 @@ int QTextMarkdownImporter::cbEnterBlock(int blockType, void *det) qCDebug(lcMD, "H%d", detail->level); } break; case MD_BLOCK_LI: { - m_needsInsertBlock = false; - MD_BLOCK_LI_DETAIL *detail = static_cast<MD_BLOCK_LI_DETAIL *>(det); - QTextList *list = m_listStack.top(); - QTextBlockFormat bfmt = list->item(list->count() - 1).blockFormat(); - bfmt.setMarker(detail->is_task ? - (detail->task_mark == ' ' ? QTextBlockFormat::Unchecked : QTextBlockFormat::Checked) : - QTextBlockFormat::NoMarker); - if (!m_emptyList) { - m_cursor->insertBlock(bfmt, QTextCharFormat()); - list->add(m_cursor->block()); - } - m_cursor->setBlockFormat(bfmt); - qCDebug(lcMD) << (m_emptyList ? "LI (first in list)" : "LI"); - m_emptyList = false; // Avoid insertBlock for the first item (because insertList already did that) + m_needsInsertBlock = true; m_listItem = true; - m_emptyListItem = true; + MD_BLOCK_LI_DETAIL *detail = static_cast<MD_BLOCK_LI_DETAIL *>(det); + m_markerType = detail->is_task ? + (detail->task_mark == ' ' ? QTextBlockFormat::Unchecked : QTextBlockFormat::Checked) : + QTextBlockFormat::NoMarker; + qCDebug(lcMD) << "LI"; } break; case MD_BLOCK_UL: { MD_BLOCK_UL_DETAIL *detail = static_cast<MD_BLOCK_UL_DETAIL *>(det); - QTextListFormat fmt; - fmt.setIndent(m_listStack.count() + 1); + m_listFormat = QTextListFormat(); + m_listFormat.setIndent(m_listStack.count() + 1); switch (detail->mark) { case '*': - fmt.setStyle(QTextListFormat::ListCircle); + m_listFormat.setStyle(QTextListFormat::ListCircle); break; case '+': - fmt.setStyle(QTextListFormat::ListSquare); + m_listFormat.setStyle(QTextListFormat::ListSquare); break; default: // including '-' - fmt.setStyle(QTextListFormat::ListDisc); + m_listFormat.setStyle(QTextListFormat::ListDisc); break; } qCDebug(lcMD, "UL %c level %d", detail->mark, m_listStack.count()); - m_listStack.push(m_cursor->insertList(fmt)); - m_emptyList = true; + m_needsInsertList = true; } break; case MD_BLOCK_OL: { MD_BLOCK_OL_DETAIL *detail = static_cast<MD_BLOCK_OL_DETAIL *>(det); - QTextListFormat fmt; - fmt.setIndent(m_listStack.count() + 1); - fmt.setNumberSuffix(QChar::fromLatin1(detail->mark_delimiter)); - fmt.setStyle(QTextListFormat::ListDecimal); + m_listFormat = QTextListFormat(); + m_listFormat.setIndent(m_listStack.count() + 1); + m_listFormat.setNumberSuffix(QChar::fromLatin1(detail->mark_delimiter)); + m_listFormat.setStyle(QTextListFormat::ListDecimal); qCDebug(lcMD, "OL xx%d level %d", detail->mark_delimiter, m_listStack.count()); - m_listStack.push(m_cursor->insertList(fmt)); - m_emptyList = true; + m_needsInsertList = true; } break; case MD_BLOCK_TD: { MD_BLOCK_TD_DETAIL *detail = static_cast<MD_BLOCK_TD_DETAIL *>(det); @@ -297,6 +279,9 @@ int QTextMarkdownImporter::cbLeaveBlock(int blockType, void *detail) { Q_UNUSED(detail) switch (blockType) { + case MD_BLOCK_P: + m_listItem = false; + break; case MD_BLOCK_UL: case MD_BLOCK_OL: qCDebug(lcMD, "list at level %d ended", m_listStack.count()); @@ -377,15 +362,10 @@ int QTextMarkdownImporter::cbEnterSpan(int spanType, void *det) } break; case MD_SPAN_IMG: { m_imageSpan = true; + m_imageFormat = QTextImageFormat(); MD_SPAN_IMG_DETAIL *detail = static_cast<MD_SPAN_IMG_DETAIL *>(det); - QString src = QString::fromUtf8(detail->src.text, int(detail->src.size)); - QString title = QString::fromUtf8(detail->title.text, int(detail->title.size)); - QTextImageFormat img; - img.setName(src); - if (m_needsInsertBlock) - insertBlock(); - qCDebug(lcMD) << "image" << src << "title" << title << "relative to" << m_doc->baseUrl(); - m_cursor->insertImage(img); + m_imageFormat.setName(QString::fromUtf8(detail->src.text, int(detail->src.size))); + m_imageFormat.setProperty(QTextFormat::ImageTitle, QString::fromUtf8(detail->title.text, int(detail->title.size))); break; } case MD_SPAN_CODE: @@ -421,20 +401,22 @@ int QTextMarkdownImporter::cbLeaveSpan(int spanType, void *detail) int QTextMarkdownImporter::cbText(int textType, const char *text, unsigned size) { - if (m_imageSpan) - return 0; // it's the alt-text if (m_needsInsertBlock) insertBlock(); +#if QT_CONFIG(regularexpression) static const QRegularExpression openingBracket(QStringLiteral("<[a-zA-Z]")); static const QRegularExpression closingBracket(QStringLiteral("(/>|</)")); +#endif QString s = QString::fromUtf8(text, int(size)); switch (textType) { case MD_TEXT_NORMAL: +#if QT_CONFIG(regularexpression) if (m_htmlTagDepth) { m_htmlAccumulator += s; s = QString(); } +#endif break; case MD_TEXT_NULLCHAR: s = QString(QChar(0xFFFD)); // CommonMark-required replacement for null @@ -448,12 +430,15 @@ int QTextMarkdownImporter::cbText(int textType, const char *text, unsigned size) case MD_TEXT_CODE: // We'll see MD_SPAN_CODE too, which will set the char format, and that's enough. break; +#if QT_CONFIG(texthtmlparser) case MD_TEXT_ENTITY: m_cursor->insertHtml(s); s = QString(); break; +#endif case MD_TEXT_HTML: // count how many tags are opened and how many are closed +#if QT_CONFIG(regularexpression) { int startIdx = 0; while ((startIdx = s.indexOf(openingBracket, startIdx)) >= 0) { @@ -467,7 +452,6 @@ int QTextMarkdownImporter::cbText(int textType, const char *text, unsigned size) } } m_htmlAccumulator += s; - s = QString(); if (!m_htmlTagDepth) { // all open tags are now closed qCDebug(lcMD) << "HTML" << m_htmlAccumulator; m_cursor->insertHtml(m_htmlAccumulator); @@ -477,6 +461,8 @@ int QTextMarkdownImporter::cbText(int textType, const char *text, unsigned size) m_cursor->setCharFormat(m_spanFormatStack.top()); m_htmlAccumulator = QString(); } +#endif + s = QString(); break; } @@ -488,6 +474,17 @@ int QTextMarkdownImporter::cbText(int textType, const char *text, unsigned size) break; } + if (m_imageSpan) { + // TODO we don't yet support alt text with formatting, because of the cases where m_cursor + // already inserted the text above. Rather need to accumulate it in case we need it here. + m_imageFormat.setProperty(QTextFormat::ImageAltText, s); + qCDebug(lcMD) << "image" << m_imageFormat.name() + << "title" << m_imageFormat.stringProperty(QTextFormat::ImageTitle) + << "alt" << s << "relative to" << m_doc->baseUrl(); + m_cursor->insertImage(m_imageFormat); + return 0; // no error + } + if (!s.isEmpty()) m_cursor->insertText(s); if (m_cursor->currentList()) { @@ -515,19 +512,32 @@ int QTextMarkdownImporter::cbText(int textType, const char *text, unsigned size) return 0; // no error } +/*! + Insert a new block based on stored state. + + m_cursor cannot store the state for the _next_ block ahead of time, because + m_cursor->setBlockFormat() controls the format of the block that the cursor + is already in; so cbLeaveBlock() cannot call setBlockFormat() without + altering the block that was just added. Therefore cbLeaveBlock() and the + following cbEnterBlock() set variables to remember what formatting should + come next, and insertBlock() is called just before the actual text + insertion, to create a new block with the right formatting. +*/ void QTextMarkdownImporter::insertBlock() { QTextCharFormat charFormat; if (!m_spanFormatStack.isEmpty()) charFormat = m_spanFormatStack.top(); QTextBlockFormat blockFormat; + if (!m_listStack.isEmpty() && !m_needsInsertList && m_listItem) { + QTextList *list = m_listStack.top(); + blockFormat = list->item(list->count() - 1).blockFormat(); + } if (m_blockQuoteDepth) { blockFormat.setProperty(QTextFormat::BlockQuoteLevel, m_blockQuoteDepth); blockFormat.setLeftMargin(BlockQuoteIndent * m_blockQuoteDepth); blockFormat.setRightMargin(BlockQuoteIndent); } - if (m_listStack.count()) - blockFormat.setIndent(m_listStack.count()); if (m_codeBlock) { blockFormat.setProperty(QTextFormat::BlockCodeLanguage, m_blockCodeLanguage); charFormat.setFont(m_monoFont); @@ -535,7 +545,19 @@ void QTextMarkdownImporter::insertBlock() blockFormat.setTopMargin(m_paragraphMargin); blockFormat.setBottomMargin(m_paragraphMargin); } + if (m_markerType == QTextBlockFormat::NoMarker) + blockFormat.clearProperty(QTextFormat::BlockMarker); + else + blockFormat.setMarker(m_markerType); + if (!m_listStack.isEmpty()) + blockFormat.setIndent(m_listStack.count()); m_cursor->insertBlock(blockFormat, charFormat); + if (m_needsInsertList) { + m_listStack.push(m_cursor->createList(m_listFormat)); + } else if (!m_listStack.isEmpty() && m_listItem) { + m_listStack.top()->add(m_cursor->block()); + } + m_needsInsertList = false; m_needsInsertBlock = false; } |