aboutsummaryrefslogtreecommitdiff
path: root/node_modules/js-yaml/lib/js-yaml/mark.js
diff options
context:
space:
mode:
Diffstat (limited to 'node_modules/js-yaml/lib/js-yaml/mark.js')
-rw-r--r--node_modules/js-yaml/lib/js-yaml/mark.js76
1 files changed, 76 insertions, 0 deletions
diff --git a/node_modules/js-yaml/lib/js-yaml/mark.js b/node_modules/js-yaml/lib/js-yaml/mark.js
new file mode 100644
index 0000000..47b265c
--- /dev/null
+++ b/node_modules/js-yaml/lib/js-yaml/mark.js
@@ -0,0 +1,76 @@
+'use strict';
+
+
+var common = require('./common');
+
+
+function Mark(name, buffer, position, line, column) {
+ this.name = name;
+ this.buffer = buffer;
+ this.position = position;
+ this.line = line;
+ this.column = column;
+}
+
+
+Mark.prototype.getSnippet = function getSnippet(indent, maxLength) {
+ var head, start, tail, end, snippet;
+
+ if (!this.buffer) return null;
+
+ indent = indent || 4;
+ maxLength = maxLength || 75;
+
+ head = '';
+ start = this.position;
+
+ while (start > 0 && '\x00\r\n\x85\u2028\u2029'.indexOf(this.buffer.charAt(start - 1)) === -1) {
+ start -= 1;
+ if (this.position - start > (maxLength / 2 - 1)) {
+ head = ' ... ';
+ start += 5;
+ break;
+ }
+ }
+
+ tail = '';
+ end = this.position;
+
+ while (end < this.buffer.length && '\x00\r\n\x85\u2028\u2029'.indexOf(this.buffer.charAt(end)) === -1) {
+ end += 1;
+ if (end - this.position > (maxLength / 2 - 1)) {
+ tail = ' ... ';
+ end -= 5;
+ break;
+ }
+ }
+
+ snippet = this.buffer.slice(start, end);
+
+ return common.repeat(' ', indent) + head + snippet + tail + '\n' +
+ common.repeat(' ', indent + this.position - start + head.length) + '^';
+};
+
+
+Mark.prototype.toString = function toString(compact) {
+ var snippet, where = '';
+
+ if (this.name) {
+ where += 'in "' + this.name + '" ';
+ }
+
+ where += 'at line ' + (this.line + 1) + ', column ' + (this.column + 1);
+
+ if (!compact) {
+ snippet = this.getSnippet();
+
+ if (snippet) {
+ where += ':\n' + snippet;
+ }
+ }
+
+ return where;
+};
+
+
+module.exports = Mark;