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Merge branch 'dnetmj-dnetmj-patch-1'

pull/109/head
Kalle Stenflo 9 years ago
parent
commit
f5d6382e4d
  1. 133
      json-path/src/main/java/com/jayway/jsonpath/internal/JsonFormatter.java

133
json-path/src/main/java/com/jayway/jsonpath/internal/JsonFormatter.java

@ -25,78 +25,97 @@ public class JsonFormatter {
private static final String NEW_LINE = System.getProperty("line.separator");
private static final int MODE_SINGLE = 100;
private static final int MODE_DOUBLE = 101;
private static final int MODE_ESCAPE_SINGLE = 102;
private static final int MODE_ESCAPE_DOUBLE = 103;
private static final int MODE_BETWEEN = 104;
private static void appendIndent(StringBuilder sb, int count) {
for (; count > 0; --count) sb.append(INDENT);
}
private static boolean isEscaped(StringBuilder sb, int index) {
boolean escaped = false;
int idx = Math.min(index, sb.length());
try {
while (idx > 0 && sb.charAt(--idx) == '\\') {
escaped = !escaped;
}
} catch (Exception e){
logger.warn("Failed to check escaped ", e);
}
return escaped;
}
public static String prettyPrint(String input) {
input = input.replaceAll("[\\r\\n]", "");
StringBuilder output = new StringBuilder(input.length() * 2);
boolean quoteOpened = false;
int mode = MODE_BETWEEN;
int depth = 0;
for (int i = 0; i < input.length(); ++i) {
char ch = input.charAt(i);
switch (ch) {
case '{':
case '[':
output.append(ch);
if (!quoteOpened) {
output.append(NEW_LINE);
appendIndent(output, ++depth);
}
break;
case '}':
case ']':
if (quoteOpened)
output.append(ch);
else {
output.append(NEW_LINE);
appendIndent(output, --depth);
output.append(ch);
}
break;
case '"':
case '\'':
output.append(ch);
if (quoteOpened) {
if (!isEscaped(output, i))
quoteOpened = false;
} else quoteOpened = true;
break;
case ',':
output.append(ch);
if (!quoteOpened) {
output.append(NEW_LINE);
appendIndent(output, depth);
}
break;
case ':':
if (quoteOpened) output.append(ch);
else output.append(" : ");
break;
default:
if (quoteOpened || !(ch == ' '))
output.append(ch);
break;
switch (mode) {
case MODE_BETWEEN:
switch (ch) {
case '{':
case '[':
output.append(ch);
output.append(NEW_LINE);
appendIndent(output, ++depth);
break;
case '}':
case ']':
output.append(NEW_LINE);
appendIndent(output, --depth);
output.append(ch);
break;
case ',':
output.append(ch);
output.append(NEW_LINE);
appendIndent(output, depth);
break;
case ':':
output.append(" : ");
break;
case '\'':
output.append(ch);
mode = MODE_SINGLE;
break;
case '"':
output.append(ch);
mode = MODE_DOUBLE;
break;
case ' ':
break;
default:
output.append(ch);
break;
}
break;
case MODE_ESCAPE_SINGLE:
output.append(ch);
mode = MODE_SINGLE;
break;
case MODE_ESCAPE_DOUBLE:
output.append(ch);
mode = MODE_DOUBLE;
break;
case MODE_SINGLE:
output.append(ch);
switch (ch) {
case '\'':
mode = MODE_BETWEEN;
break;
case '\\':
mode = MODE_ESCAPE_SINGLE;
break;
}
break;
case MODE_DOUBLE:
output.append(ch);
switch (ch) {
case '"':
mode = MODE_BETWEEN;
break;
case '\\':
mode = MODE_ESCAPE_DOUBLE;
break;
}
break;
}
}
return output.toString();
}
}
}

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