parent
1d696f0403
commit
cefff520c8
@ -1,31 +0,0 @@
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diff -rupN --no-dereference libxml2-v2.9.12/xmlsave.c libxml2-v2.9.12-new/xmlsave.c
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--- libxml2-v2.9.12/xmlsave.c 2022-02-18 21:00:14.226540564 +0100
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+++ libxml2-v2.9.12-new/xmlsave.c 2022-02-18 21:00:14.229540592 +0100
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@@ -890,6 +890,13 @@ xmlNodeDumpOutputInternal(xmlSaveCtxtPtr
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break;
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case XML_ELEMENT_NODE:
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+ if ((cur != root) && (ctxt->format == 1) &&
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+ (xmlIndentTreeOutput))
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+ xmlOutputBufferWrite(buf, ctxt->indent_size *
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+ (ctxt->level > ctxt->indent_nr ?
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+ ctxt->indent_nr : ctxt->level),
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+ ctxt->indent);
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+
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/*
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* Some users like lxml are known to pass nodes with a corrupted
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* tree structure. Fall back to a recursive call to handle this
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@@ -900,13 +907,6 @@ xmlNodeDumpOutputInternal(xmlSaveCtxtPtr
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break;
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}
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- if ((ctxt->level > 0) && (ctxt->format == 1) &&
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- (xmlIndentTreeOutput))
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- xmlOutputBufferWrite(buf, ctxt->indent_size *
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- (ctxt->level > ctxt->indent_nr ?
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- ctxt->indent_nr : ctxt->level),
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- ctxt->indent);
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-
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xmlOutputBufferWrite(buf, 1, "<");
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if ((cur->ns != NULL) && (cur->ns->prefix != NULL)) {
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xmlOutputBufferWriteString(buf, (const char *)cur->ns->prefix);
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@ -1,188 +0,0 @@
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diff -rupN --no-dereference libxml2-v2.9.12/HTMLtree.c libxml2-v2.9.12-new/HTMLtree.c
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--- libxml2-v2.9.12/HTMLtree.c 2021-05-13 20:56:16.000000000 +0200
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+++ libxml2-v2.9.12-new/HTMLtree.c 2022-02-18 21:00:14.021538664 +0100
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@@ -744,7 +744,7 @@ void
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htmlNodeDumpFormatOutput(xmlOutputBufferPtr buf, xmlDocPtr doc,
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xmlNodePtr cur, const char *encoding ATTRIBUTE_UNUSED,
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int format) {
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- xmlNodePtr root;
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+ xmlNodePtr root, parent;
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xmlAttrPtr attr;
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const htmlElemDesc * info;
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@@ -755,6 +755,7 @@ htmlNodeDumpFormatOutput(xmlOutputBuffer
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}
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root = cur;
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+ parent = cur->parent;
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while (1) {
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switch (cur->type) {
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case XML_HTML_DOCUMENT_NODE:
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@@ -762,7 +763,9 @@ htmlNodeDumpFormatOutput(xmlOutputBuffer
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if (((xmlDocPtr) cur)->intSubset != NULL) {
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htmlDtdDumpOutput(buf, (xmlDocPtr) cur, NULL);
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}
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- if (cur->children != NULL) {
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+ /* Always validate cur->parent when descending. */
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+ if ((cur->parent == parent) && (cur->children != NULL)) {
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+ parent = cur;
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cur = cur->children;
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continue;
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}
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@@ -770,6 +773,16 @@ htmlNodeDumpFormatOutput(xmlOutputBuffer
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case XML_ELEMENT_NODE:
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/*
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+ * Some users like lxml are known to pass nodes with a corrupted
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+ * tree structure. Fall back to a recursive call to handle this
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+ * case.
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+ */
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+ if ((cur->parent != parent) && (cur->children != NULL)) {
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+ htmlNodeDumpFormatOutput(buf, doc, cur, encoding, format);
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+ break;
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+ }
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+
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+ /*
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* Get specific HTML info for that node.
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*/
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if (cur->ns == NULL)
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@@ -817,6 +830,7 @@ htmlNodeDumpFormatOutput(xmlOutputBuffer
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(cur->name != NULL) &&
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(cur->name[0] != 'p')) /* p, pre, param */
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xmlOutputBufferWriteString(buf, "\n");
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+ parent = cur;
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cur = cur->children;
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continue;
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}
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@@ -825,9 +839,9 @@ htmlNodeDumpFormatOutput(xmlOutputBuffer
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(info != NULL) && (!info->isinline)) {
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if ((cur->next->type != HTML_TEXT_NODE) &&
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(cur->next->type != HTML_ENTITY_REF_NODE) &&
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- (cur->parent != NULL) &&
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- (cur->parent->name != NULL) &&
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- (cur->parent->name[0] != 'p')) /* p, pre, param */
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+ (parent != NULL) &&
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+ (parent->name != NULL) &&
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+ (parent->name[0] != 'p')) /* p, pre, param */
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xmlOutputBufferWriteString(buf, "\n");
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}
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@@ -842,9 +856,9 @@ htmlNodeDumpFormatOutput(xmlOutputBuffer
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break;
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if (((cur->name == (const xmlChar *)xmlStringText) ||
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(cur->name != (const xmlChar *)xmlStringTextNoenc)) &&
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- ((cur->parent == NULL) ||
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- ((xmlStrcasecmp(cur->parent->name, BAD_CAST "script")) &&
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- (xmlStrcasecmp(cur->parent->name, BAD_CAST "style"))))) {
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+ ((parent == NULL) ||
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+ ((xmlStrcasecmp(parent->name, BAD_CAST "script")) &&
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+ (xmlStrcasecmp(parent->name, BAD_CAST "style"))))) {
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xmlChar *buffer;
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buffer = xmlEncodeEntitiesReentrant(doc, cur->content);
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@@ -902,13 +916,9 @@ htmlNodeDumpFormatOutput(xmlOutputBuffer
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break;
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}
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- /*
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- * The parent should never be NULL here but we want to handle
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- * corrupted documents gracefully.
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- */
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- if (cur->parent == NULL)
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- return;
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- cur = cur->parent;
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+ cur = parent;
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+ /* cur->parent was validated when descending. */
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+ parent = cur->parent;
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if ((cur->type == XML_HTML_DOCUMENT_NODE) ||
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(cur->type == XML_DOCUMENT_NODE)) {
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@@ -939,9 +949,9 @@ htmlNodeDumpFormatOutput(xmlOutputBuffer
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(cur->next != NULL)) {
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if ((cur->next->type != HTML_TEXT_NODE) &&
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(cur->next->type != HTML_ENTITY_REF_NODE) &&
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- (cur->parent != NULL) &&
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- (cur->parent->name != NULL) &&
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- (cur->parent->name[0] != 'p')) /* p, pre, param */
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+ (parent != NULL) &&
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+ (parent->name != NULL) &&
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+ (parent->name[0] != 'p')) /* p, pre, param */
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xmlOutputBufferWriteString(buf, "\n");
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}
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}
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diff -rupN --no-dereference libxml2-v2.9.12/xmlsave.c libxml2-v2.9.12-new/xmlsave.c
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--- libxml2-v2.9.12/xmlsave.c 2021-05-13 20:56:16.000000000 +0200
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+++ libxml2-v2.9.12-new/xmlsave.c 2022-02-18 21:00:14.022538674 +0100
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@@ -847,7 +847,7 @@ htmlNodeDumpOutputInternal(xmlSaveCtxtPt
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static void
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xmlNodeDumpOutputInternal(xmlSaveCtxtPtr ctxt, xmlNodePtr cur) {
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int format = ctxt->format;
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- xmlNodePtr tmp, root, unformattedNode = NULL;
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+ xmlNodePtr tmp, root, unformattedNode = NULL, parent;
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xmlAttrPtr attr;
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xmlChar *start, *end;
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xmlOutputBufferPtr buf;
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@@ -856,6 +856,7 @@ xmlNodeDumpOutputInternal(xmlSaveCtxtPtr
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buf = ctxt->buf;
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root = cur;
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+ parent = cur->parent;
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while (1) {
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switch (cur->type) {
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case XML_DOCUMENT_NODE:
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@@ -868,7 +869,9 @@ xmlNodeDumpOutputInternal(xmlSaveCtxtPtr
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break;
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case XML_DOCUMENT_FRAG_NODE:
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- if (cur->children != NULL) {
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+ /* Always validate cur->parent when descending. */
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+ if ((cur->parent == parent) && (cur->children != NULL)) {
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+ parent = cur;
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cur = cur->children;
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continue;
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}
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@@ -887,7 +890,18 @@ xmlNodeDumpOutputInternal(xmlSaveCtxtPtr
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break;
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case XML_ELEMENT_NODE:
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- if ((cur != root) && (ctxt->format == 1) && (xmlIndentTreeOutput))
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+ /*
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+ * Some users like lxml are known to pass nodes with a corrupted
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+ * tree structure. Fall back to a recursive call to handle this
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+ * case.
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+ */
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+ if ((cur->parent != parent) && (cur->children != NULL)) {
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+ xmlNodeDumpOutputInternal(ctxt, cur);
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+ break;
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+ }
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+
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+ if ((ctxt->level > 0) && (ctxt->format == 1) &&
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+ (xmlIndentTreeOutput))
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xmlOutputBufferWrite(buf, ctxt->indent_size *
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(ctxt->level > ctxt->indent_nr ?
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ctxt->indent_nr : ctxt->level),
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@@ -942,6 +956,7 @@ xmlNodeDumpOutputInternal(xmlSaveCtxtPtr
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xmlOutputBufferWrite(buf, 1, ">");
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if (ctxt->format == 1) xmlOutputBufferWrite(buf, 1, "\n");
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if (ctxt->level >= 0) ctxt->level++;
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+ parent = cur;
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cur = cur->children;
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continue;
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}
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@@ -1058,13 +1073,9 @@ xmlNodeDumpOutputInternal(xmlSaveCtxtPtr
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break;
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}
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- /*
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- * The parent should never be NULL here but we want to handle
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- * corrupted documents gracefully.
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- */
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- if (cur->parent == NULL)
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- return;
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- cur = cur->parent;
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+ cur = parent;
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+ /* cur->parent was validated when descending. */
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+ parent = cur->parent;
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if (cur->type == XML_ELEMENT_NODE) {
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if (ctxt->level > 0) ctxt->level--;
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@ -1 +1 @@
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SHA512 (libxml2-v2.9.12.tar.bz2) = 7d3c6f7dcfd528102f70fd81cb109351427865fb990163cd64e90a51902077902c2329ea46ebbe8d1fe973e3e78c5f322e0611d98b84d97a0cc46bef16848008
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SHA512 (libxml2-v2.9.13.tar.bz2) = 7e524b358cd817bdcb945c05c7bfd3b67123a6096671eb73e5466f5bb8e8f845654e3ccecf9bd29e6bfcbc2cc8b58c8cd9281d7415a7700417047ce4b6218b67
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Loading…
Reference in new issue