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Statically compile frequently used Regex pattern

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scria1000 2021-12-04 10:41:23 +03:00
parent c9e7b11379
commit 1f8d9e6a7d
1 changed files with 30 additions and 15 deletions
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45
app/src/main/java/ml/docilealligator/infinityforreddit/utils/Utils.java
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@ -49,7 +49,7 @@ import ml.docilealligator.infinityforreddit.SortType;
import ml.docilealligator.infinityforreddit.UploadedImage; import ml.docilealligator.infinityforreddit.UploadedImage;
import retrofit2.Retrofit; import retrofit2.Retrofit;
public class Utils { public final class Utils {
public static final int NETWORK_TYPE_OTHER = -1; public static final int NETWORK_TYPE_OTHER = -1;
public static final int NETWORK_TYPE_WIFI = 0; public static final int NETWORK_TYPE_WIFI = 0;
public static final int NETWORK_TYPE_CELLULAR = 1; public static final int NETWORK_TYPE_CELLULAR = 1;
@ -60,21 +60,36 @@ public class Utils {
private static final long MONTH_MILLIS = 30 * DAY_MILLIS; private static final long MONTH_MILLIS = 30 * DAY_MILLIS;
private static final long YEAR_MILLIS = 12 * MONTH_MILLIS; private static final long YEAR_MILLIS = 12 * MONTH_MILLIS;
public static final Pattern[] REGEX_PATTERN = {
Pattern.compile("((?<=[\\s])|^)/[rRuU]/[\\w-]+/{0,1}"),
Pattern.compile("((?<=[\\s])|^)[rRuU]/[\\w-]+/{0,1}"),
Pattern.compile("\\^{2,}"),
Pattern.compile("(^|^ *|\\n *)#(?!($|\\s|#))"),
Pattern.compile("(^|^ *|\\n *)##(?!($|\\s|#))"),
Pattern.compile("(^|^ *|\\n *)###(?!($|\\s|#))"),
Pattern.compile("(^|^ *|\\n *)####(?!($|\\s|#))"),
Pattern.compile("(^|^ *|\\n *)#####(?!($|\\s|#))"),
Pattern.compile("(^|^ *|\\n *)######(?!($|\\s|#))"),
Pattern.compile("!\\[gif]\\(giphy\\|\\w+\\)"),
Pattern.compile("!\\[gif]\\(giphy\\|\\w+\\|downsized\\)"),
Pattern.compile("!\\[gif]\\(emote\\|\\w+\\|\\w+\\)"),
Pattern.compile("!\\[img]\\(emote\\|\\w+\\|\\w+\\)")
};
public static String modifyMarkdown(String markdown) { public static String modifyMarkdown(String markdown) {
StringBuilder regexed = new StringBuilder(markdown String regexed = REGEX_PATTERN[0].matcher(markdown).replaceAll("[$0](https://www.reddit.com$0)");
.replaceAll("((?<=[\\s])|^)/[rRuU]/[\\w-]+/{0,1}", "[$0](https://www.reddit.com$0)") regexed = REGEX_PATTERN[1].matcher(regexed).replaceAll("[$0](https://www.reddit.com/$0)");
.replaceAll("((?<=[\\s])|^)[rRuU]/[\\w-]+/{0,1}", "[$0](https://www.reddit.com/$0)") regexed = REGEX_PATTERN[2].matcher(regexed).replaceAll("^");
.replaceAll("\\^{2,}", "^") regexed = REGEX_PATTERN[3].matcher(regexed).replaceAll("$0");
.replaceAll("(^|^ *|\\n *)#(?!($|\\s|#))", "$0 ") regexed = REGEX_PATTERN[4].matcher(regexed).replaceAll("$0");
.replaceAll("(^|^ *|\\n *)##(?!($|\\s|#))", "$0 ") regexed = REGEX_PATTERN[5].matcher(regexed).replaceAll("$0");
.replaceAll("(^|^ *|\\n *)###(?!($|\\s|#))", "$0 ") regexed = REGEX_PATTERN[6].matcher(regexed).replaceAll("$0");
.replaceAll("(^|^ *|\\n *)####(?!($|\\s|#))", "$0 ") regexed = REGEX_PATTERN[7].matcher(regexed).replaceAll("$0");
.replaceAll("(^|^ *|\\n *)#####(?!($|\\s|#))", "$0 ") regexed = REGEX_PATTERN[8].matcher(regexed).replaceAll("$0");
.replaceAll("(^|^ *|\\n *)######(?!($|\\s|#))", "$0 "));
//return fixSuperScript(regexed); //return fixSuperScript(regexed);
// We don't want to fix super scripts here because we need the original markdown later for editing posts // We don't want to fix super scripts here because we need the original markdown later for editing posts
return regexed.toString(); return regexed;
} }
public static String fixSuperScript(String regexedMarkdown) { public static String fixSuperScript(String regexedMarkdown) {
@ -121,21 +136,21 @@ public class Utils {
public static String parseInlineGifInComments(String markdown) { public static String parseInlineGifInComments(String markdown) {
StringBuilder markdownStringBuilder = new StringBuilder(markdown); StringBuilder markdownStringBuilder = new StringBuilder(markdown);
Pattern inlineGifPattern = Pattern.compile("!\\[gif]\\(giphy\\|\\w+\\)"); Pattern inlineGifPattern = REGEX_PATTERN[9];
Matcher matcher = inlineGifPattern.matcher(markdownStringBuilder); Matcher matcher = inlineGifPattern.matcher(markdownStringBuilder);
while (matcher.find()) { while (matcher.find()) {
markdownStringBuilder.replace(matcher.start(), matcher.end(), "[gif](https://i.giphy.com/media/" + markdownStringBuilder.substring(matcher.start() + "![gif](giphy|".length(), matcher.end() - 1) + "/giphy.mp4)"); markdownStringBuilder.replace(matcher.start(), matcher.end(), "[gif](https://i.giphy.com/media/" + markdownStringBuilder.substring(matcher.start() + "![gif](giphy|".length(), matcher.end() - 1) + "/giphy.mp4)");
matcher = inlineGifPattern.matcher(markdownStringBuilder); matcher = inlineGifPattern.matcher(markdownStringBuilder);
} }
Pattern inlineGifPattern2 = Pattern.compile("!\\[gif]\\(giphy\\|\\w+\\|downsized\\)"); Pattern inlineGifPattern2 = REGEX_PATTERN[10];
Matcher matcher2 = inlineGifPattern2.matcher(markdownStringBuilder); Matcher matcher2 = inlineGifPattern2.matcher(markdownStringBuilder);
while (matcher2.find()) { while (matcher2.find()) {
markdownStringBuilder.replace(matcher2.start(), matcher2.end(), "[gif](https://i.giphy.com/media/" + markdownStringBuilder.substring(matcher2.start() + "![gif](giphy|".length(), matcher2.end() - "|downsized\\)".length() + 1) + "/giphy.mp4)"); markdownStringBuilder.replace(matcher2.start(), matcher2.end(), "[gif](https://i.giphy.com/media/" + markdownStringBuilder.substring(matcher2.start() + "![gif](giphy|".length(), matcher2.end() - "|downsized\\)".length() + 1) + "/giphy.mp4)");
matcher2 = inlineGifPattern2.matcher(markdownStringBuilder); matcher2 = inlineGifPattern2.matcher(markdownStringBuilder);
} }
Pattern inlineGifPattern3 = Pattern.compile("!\\[gif]\\(emote\\|\\w+\\|\\w+\\)"); Pattern inlineGifPattern3 = REGEX_PATTERN[11];
Matcher matcher3 = inlineGifPattern3.matcher(markdownStringBuilder); Matcher matcher3 = inlineGifPattern3.matcher(markdownStringBuilder);
while (matcher3.find()) { while (matcher3.find()) {
markdownStringBuilder.replace(matcher3.start(), matcher3.end(), markdownStringBuilder.replace(matcher3.start(), matcher3.end(),