MDS/openide
1
0
Fork 0
mirror of https://gitflic.ru/project/openide/openide.git synced 2026-09-27 10:03:11 +07:00
Code Issues Packages Projects Releases Wiki Activity

StringUtil: introduced another escapeStringCharacters which is able not to escape control and standard characters; changed 'switch' to 'if'+array of standard chars.

Browse Source
This commit is contained in:
Kirill Likhodedov
2010-11-15 09:58:16 +03:00
parent 4b340fd720
commit df762f1e85
1 changed files with 21 additions and 45 deletions
Download Patch File Download Diff File Expand all files Collapse all files
platform/util/src/com/intellij/openapi/util/text/StringUtil.java
+21 -45
View File
@@ -39,6 +39,7 @@ import java.util.regex.Pattern;
public class StringUtil {
private static final Logger LOG = Logger.getInstance("#com.intellij.openapi.util.text.StringUtil");
@NonNls private static final String VOWELS = "aeiouy";
public static final String STANDARD_ESCAPABLE_CHARS = "\b\t\n\f\r\\";
private static final Pattern EOL_SPLIT_PATTERN = Pattern.compile(" *(\r|\n|\r\n)+ *");
public static final NotNullFunction<String, String> QUOTER = new NotNullFunction<String, String>() {
@NotNull
@@ -469,53 +470,28 @@ public class StringUtil {
}
@NotNull
public static StringBuilder escapeStringCharacters(int length,
@NotNull String str,
@Nullable String additionalChars,
@NotNull @NonNls StringBuilder buffer) {
public static StringBuilder escapeStringCharacters(int length, @NotNull String str, @Nullable String additionalChars, @NotNull @NonNls StringBuilder buffer) {
return escapeStringCharacters(length, str, additionalChars, true, true, buffer);
}
@NotNull
public static StringBuilder escapeStringCharacters(int length, @NotNull String str, @Nullable String additionalChars, boolean escapeStandardChars, boolean escapeControlCharacters, @NotNull @NonNls StringBuilder buffer) {
for (int idx = 0; idx < length; idx++) {
char ch = str.charAt(idx);
switch (ch) {
case '\b':
buffer.append("\\b");
break;
case '\t':
buffer.append("\\t");
break;
case '\n':
buffer.append("\\n");
break;
case '\f':
buffer.append("\\f");
break;
case '\r':
buffer.append("\\r");
break;
case '\\':
buffer.append("\\\\");
break;
default:
if (additionalChars != null && additionalChars.indexOf(ch) > -1) {
buffer.append("\\").append(ch);
}
else if (Character.isISOControl(ch)) {
String hexCode = Integer.toHexString(ch).toUpperCase();
buffer.append("\\u");
int paddingCount = 4 - hexCode.length();
while (paddingCount-- > 0) {
buffer.append(0);
}
buffer.append(hexCode);
}
else {
buffer.append(ch);
}
if (escapeStandardChars && STANDARD_ESCAPABLE_CHARS.indexOf(ch) > -1) {
buffer.append("\\").append(ch);
} else if (additionalChars != null && additionalChars.indexOf(ch) > -1) {
buffer.append("\\").append(ch);
} else if (escapeControlCharacters && Character.isISOControl(ch)) {
String hexCode = Integer.toHexString(ch).toUpperCase();
buffer.append("\\u");
int paddingCount = 4 - hexCode.length();
while (paddingCount-- > 0) {
buffer.append(0);
}
buffer.append(hexCode);
} else {
buffer.append(ch);
}
}
return buffer;