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gg.jte.html.escape.Escape Maven / Gradle / Ivy
package gg.jte.html.escape;
import gg.jte.TemplateOutput;
public class Escape {
@SuppressWarnings("DuplicatedCode")
public static void htmlContent(String value, TemplateOutput output) {
int lastIndex = 0;
int length = value.length();
for (int i = 0; i < length; i++) {
char c = value.charAt(i);
switch (c) {
case '&' -> lastIndex = flushAndEscape(value, lastIndex, i, "&", output);
case '<' -> lastIndex = flushAndEscape(value, lastIndex, i, "<", output);
case '>' -> lastIndex = flushAndEscape(value, lastIndex, i, ">", output);
}
}
flushRemaining(value, output, lastIndex, length);
}
@SuppressWarnings("DuplicatedCode")
public static void htmlAttribute(String value, TemplateOutput output) {
int lastIndex = 0;
int length = value.length();
for (int i = 0; i < length; i++) {
char c = value.charAt(i);
switch (c) {
case '\'' -> lastIndex = flushAndEscape(value, lastIndex, i, "'", output);
case '"' -> lastIndex = flushAndEscape(value, lastIndex, i, """, output);
case '&' -> lastIndex = flushAndEscape(value, lastIndex, i, "&", output);
case '<' -> lastIndex = flushAndEscape(value, lastIndex, i, "<", output);
}
}
flushRemaining(value, output, lastIndex, length);
}
@SuppressWarnings("DuplicatedCode")
public static void javaScriptBlock(String value, TemplateOutput output) {
int lastIndex = 0;
int length = value.length();
for (int i = 0; i < length; i++) {
char c = value.charAt(i);
switch (c) {
case '\'' -> lastIndex = flushAndEscape(value, lastIndex, i, "\\'", output);
case '"' -> lastIndex = flushAndEscape(value, lastIndex, i, "\\\"", output);
case '/' -> lastIndex = flushAndEscape(value, lastIndex, i, "\\/", output);
case '-' -> lastIndex = flushAndEscape(value, lastIndex, i, "\\-", output);
case '\\' -> lastIndex = flushAndEscape(value, lastIndex, i, "\\\\", output);
case '\n' -> lastIndex = flushAndEscape(value, lastIndex, i, "\\n", output);
case '\t' -> lastIndex = flushAndEscape(value, lastIndex, i, "\\t", output);
case '\r' -> lastIndex = flushAndEscape(value, lastIndex, i, "\\r", output);
case '\f' -> lastIndex = flushAndEscape(value, lastIndex, i, "\\f", output);
case '\b' -> lastIndex = flushAndEscape(value, lastIndex, i, "\\b", output);
}
}
flushRemaining(value, output, lastIndex, length);
}
@SuppressWarnings("DuplicatedCode")
public static void javaScriptAttribute(String value, TemplateOutput output) {
int lastIndex = 0;
int length = value.length();
for (int i = 0; i < length; i++) {
char c = value.charAt(i);
switch (c) {
case '\'' -> lastIndex = flushAndEscape(value, lastIndex, i, "\\x27", output);
case '"' -> lastIndex = flushAndEscape(value, lastIndex, i, "\\x22", output);
case '\\' -> lastIndex = flushAndEscape(value, lastIndex, i, "\\\\", output);
case '\n' -> lastIndex = flushAndEscape(value, lastIndex, i, "\\n", output);
case '\t' -> lastIndex = flushAndEscape(value, lastIndex, i, "\\t", output);
case '\r' -> lastIndex = flushAndEscape(value, lastIndex, i, "\\r", output);
case '\f' -> lastIndex = flushAndEscape(value, lastIndex, i, "\\f", output);
case '\b' -> lastIndex = flushAndEscape(value, lastIndex, i, "\\b", output);
}
}
flushRemaining(value, output, lastIndex, length);
}
private static int flushAndEscape(String value, int lastIndex, int currentIndex, String escapeSequence, TemplateOutput output) {
output.writeContent(value, lastIndex, currentIndex);
output.writeContent(escapeSequence);
return currentIndex + 1;
}
private static void flushRemaining(String value, TemplateOutput output, int lastIndex, int length) {
if (lastIndex == 0) {
output.writeContent(value);
} else if (lastIndex < length) {
output.writeContent(value, lastIndex, length);
}
}
}
