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mirror of https://gitlab.gnome.org/GNOME/libxml2.git synced 2025-10-26 00:37:43 +03:00

Add newlines to 'xmllint --xpath' output

Separate nodes in a node-set with newlines and always add a terminating
newline. This is a breaking change but the old behavior of dumping text
nodes without separator was mostly useless.

Also use buffered I/O when dumping node-sets.
This commit is contained in:
Nick Wellnhofer
2018-09-23 01:09:56 +02:00
parent 73b2417c51
commit da35eeae5b

View File

@@ -2071,51 +2071,52 @@ static void doXPathDump(xmlXPathObjectPtr cur) {
int i; int i;
xmlNodePtr node; xmlNodePtr node;
#ifdef LIBXML_OUTPUT_ENABLED #ifdef LIBXML_OUTPUT_ENABLED
xmlSaveCtxtPtr ctxt; xmlOutputBufferPtr buf;
if ((cur->nodesetval == NULL) || (cur->nodesetval->nodeNr <= 0)) { if ((cur->nodesetval == NULL) || (cur->nodesetval->nodeNr <= 0)) {
fprintf(stderr, "XPath set is empty\n"); fprintf(stderr, "XPath set is empty\n");
progresult = XMLLINT_ERR_XPATH; progresult = XMLLINT_ERR_XPATH;
break; break;
} }
ctxt = xmlSaveToFd(1, NULL, 0); buf = xmlOutputBufferCreateFile(stdout, NULL);
if (ctxt == NULL) { if (buf == NULL) {
fprintf(stderr, "Out of memory for XPath\n"); fprintf(stderr, "Out of memory for XPath\n");
progresult = XMLLINT_ERR_MEM; progresult = XMLLINT_ERR_MEM;
return; return;
} }
for (i = 0;i < cur->nodesetval->nodeNr;i++) { for (i = 0;i < cur->nodesetval->nodeNr;i++) {
node = cur->nodesetval->nodeTab[i]; node = cur->nodesetval->nodeTab[i];
xmlSaveTree(ctxt, node); xmlNodeDumpOutput(buf, node->doc, node, 0, 0, NULL);
xmlOutputBufferWrite(buf, 1, "\n");
} }
xmlSaveClose(ctxt); xmlOutputBufferClose(buf);
#else #else
printf("xpath returned %d nodes\n", cur->nodesetval->nodeNr); printf("xpath returned %d nodes\n", cur->nodesetval->nodeNr);
#endif #endif
break; break;
} }
case XPATH_BOOLEAN: case XPATH_BOOLEAN:
if (cur->boolval) printf("true"); if (cur->boolval) printf("true\n");
else printf("false"); else printf("false\n");
break; break;
case XPATH_NUMBER: case XPATH_NUMBER:
switch (xmlXPathIsInf(cur->floatval)) { switch (xmlXPathIsInf(cur->floatval)) {
case 1: case 1:
printf("Infinity"); printf("Infinity\n");
break; break;
case -1: case -1:
printf("-Infinity"); printf("-Infinity\n");
break; break;
default: default:
if (xmlXPathIsNaN(cur->floatval)) { if (xmlXPathIsNaN(cur->floatval)) {
printf("NaN"); printf("NaN\n");
} else { } else {
printf("%0g", cur->floatval); printf("%0g\n", cur->floatval);
} }
} }
break; break;
case XPATH_STRING: case XPATH_STRING:
printf("%s", (const char *) cur->stringval); printf("%s\n", (const char *) cur->stringval);
break; break;
case XPATH_UNDEFINED: case XPATH_UNDEFINED:
fprintf(stderr, "XPath Object is uninitialized\n"); fprintf(stderr, "XPath Object is uninitialized\n");