diff options
| author | Ben Culkin <scorpress@gmail.com> | 2020-04-13 18:40:41 -0400 |
|---|---|---|
| committer | Ben Culkin <scorpress@gmail.com> | 2020-04-13 18:40:41 -0400 |
| commit | d4ca769e542b2489b1e23cfcbdc3a0b7275b87cd (patch) | |
| tree | 1653a7399f97fb0c63ce62e3f60fd830d5c37f70 /base/src/main/java/bjc/utils/parserutils/TokenUtils.java | |
| parent | 2ac2e31a56ae59ee582e43a90c3495f86dd9ee7a (diff) | |
Cleanup pass
Cleanup pass to uniformize things
Diffstat (limited to 'base/src/main/java/bjc/utils/parserutils/TokenUtils.java')
| -rw-r--r-- | base/src/main/java/bjc/utils/parserutils/TokenUtils.java | 99 |
1 files changed, 50 insertions, 49 deletions
diff --git a/base/src/main/java/bjc/utils/parserutils/TokenUtils.java b/base/src/main/java/bjc/utils/parserutils/TokenUtils.java index fbffd82..7c3c2ab 100644 --- a/base/src/main/java/bjc/utils/parserutils/TokenUtils.java +++ b/base/src/main/java/bjc/utils/parserutils/TokenUtils.java @@ -21,9 +21,8 @@ import bjc.utils.parserutils.splitter.TokenSplitter; */ public class TokenUtils { /** - * Simple implementation of TokenSplitter for removing double-quoted - * strings. - * + * Simple implementation of TokenSplitter for removing double-quoted strings. + * * @author EVE * */ @@ -39,17 +38,17 @@ public class TokenUtils { */ /* Possible string escapes. */ - private static String rPossibleEscapeString = getRegex("possibleStringEscape"); - private static Pattern possibleEscapePatt = Pattern.compile(rPossibleEscapeString); + private static String rPossibleEscapeString = getRegex("possibleStringEscape"); + private static Pattern possibleEscapePatt = Pattern.compile(rPossibleEscapeString); /* Non-single char escapes. */ - private static String rShortEscape = getRegex("shortFormStringEscape"); - private static String rOctalEscape = getRegex("octalStringEscape"); - private static String rUnicodeEscape = getRegex("unicodeStringEscape"); + private static String rShortEscape = getRegex("shortFormStringEscape"); + private static String rOctalEscape = getRegex("octalStringEscape"); + private static String rUnicodeEscape = getRegex("unicodeStringEscape"); /* All string escapes. */ - private static String rEscapeString = applyFormat("stringEscape", - rShortEscape, rOctalEscape, rUnicodeEscape); + private static String rEscapeString + = applyFormat("stringEscape", rShortEscape, rOctalEscape, rUnicodeEscape); private static Pattern escapePatt = Pattern.compile(rEscapeString); @@ -61,7 +60,7 @@ public class TokenUtils { private static Pattern quotePatt = getCompiledRegex("unescapedQuote"); /* This may do something. */ - //private static Pattern intLitPattern = getCompiledRegex("intLiteral"); + // private static Pattern intLitPattern = getCompiledRegex("intLiteral"); /** * Remove double quoted strings from a string. @@ -69,29 +68,29 @@ public class TokenUtils { * Splits a string around instances of java-style double-quoted strings. * * @param inp - * The string to split. + * The string to split. * - * @return - * An list containing alternating bits of the string and the embedded double-quoted - * strings that separated them. + * @return An list containing alternating bits of the string and the embedded + * double-quoted strings that separated them. */ public static List<String> removeDQuotedStrings(final String inp) { /* Validate input. */ - if (inp == null) throw new NullPointerException("inp must not be null"); + if (inp == null) + throw new NullPointerException("inp must not be null"); /* * What we need for piece-by-piece string building */ - StringBuffer work = new StringBuffer(); + StringBuffer work = new StringBuffer(); final List<String> res = new LinkedList<>(); /* * Matcher for proper strings and single quotes. */ - final Matcher mt = doubleQuotePatt.matcher(inp); + final Matcher mt = doubleQuotePatt.matcher(inp); final Matcher corr = quotePatt.matcher(inp); - if(corr.find() && !corr.find()) { + if (corr.find() && !corr.find()) { /* * There's a unmatched opening quote with no strings. */ @@ -110,8 +109,8 @@ public class TokenUtils { mt.appendReplacement(work, ""); /* - * Add the string preceding the double-quoted string and - * the double-quoted string to the list. + * Add the string preceding the double-quoted string and the double-quoted + * string to the list. */ res.add(work.toString()); res.add(mt.group(1)); @@ -128,10 +127,9 @@ public class TokenUtils { mt.appendTail(work); final String tail = work.toString(); - if(tail.contains("\"")) { + if (tail.contains("\"")) { /* - * There's a unmatched opening quote with at least one - * string. + * There's a unmatched opening quote with at least one string. */ final String msg = String.format( "Unclosed string literal '%s'. Opening quote was at position %d", inp, @@ -143,7 +141,7 @@ public class TokenUtils { /* * Only add an empty tail if the string was empty. */ - if(!tail.equals("") || res.isEmpty()) { + if (!tail.equals("") || res.isEmpty()) { res.add(tail); } @@ -153,34 +151,35 @@ public class TokenUtils { /** * Replace escape characters with their actual equivalents. * - * Use {@link StringDescaper} for customizable escapes. This only handles the ones that are - * built into Java strings. + * Use {@link StringDescaper} for customizable escapes. This only handles the + * ones that are built into Java strings. * * @param inp - * The string to replace escape sequences in. + * The string to replace escape sequences in. * * @return The string with escape sequences replaced by their equivalent * characters. */ public static String descapeString(final String inp) { /* Validate input. */ - if (inp == null) throw new NullPointerException("inp must not be null"); + if (inp == null) + throw new NullPointerException("inp must not be null"); /* * Prepare the buffer and escape finder. */ - final StringBuffer work = new StringBuffer(); + final StringBuffer work = new StringBuffer(); final Matcher possibleEscapeFinder = possibleEscapePatt.matcher(inp); - final Matcher escapeFinder = escapePatt.matcher(inp); + final Matcher escapeFinder = escapePatt.matcher(inp); /* Go through all possible escapes. */ while (possibleEscapeFinder.find()) { if (!escapeFinder.find()) { /* - * Found a possible escape that isn't actually - * an escape. + * Found a possible escape that isn't actually an escape. */ - final String msg = String.format("Illegal escape sequence '%s' at position %d", + final String msg = String.format( + "Illegal escape sequence '%s' at position %d", possibleEscapeFinder.group(), possibleEscapeFinder.start()); throw new IllegalArgumentException(msg); @@ -192,7 +191,7 @@ public class TokenUtils { * Convert the escape to a string. */ String escapeRep = ""; - switch(escapeSeq) { + switch (escapeSeq) { case "\\b": escapeRep = "\b"; break; @@ -247,8 +246,9 @@ public class TokenUtils { final int codepoint = Integer.parseInt(seq, 16); return new String(Character.toChars(codepoint)); - } catch(final IllegalArgumentException iaex) { - final String msg = String.format("'%s' is not a valid Unicode escape sequence'", seq); + } catch (final IllegalArgumentException iaex) { + final String msg + = String.format("'%s' is not a valid Unicode escape sequence'", seq); final IllegalArgumentException reiaex = new IllegalArgumentException(msg); @@ -265,7 +265,7 @@ public class TokenUtils { try { final int codepoint = Integer.parseInt(seq, 8); - if(codepoint > 255) { + if (codepoint > 255) { final String msg = String .format("'%d' is outside the range of octal escapes', codepoint"); @@ -273,8 +273,9 @@ public class TokenUtils { } return new String(Character.toChars(codepoint)); - } catch(final IllegalArgumentException iaex) { - final String msg = String.format("'%s' is not a valid octal escape sequence'", seq); + } catch (final IllegalArgumentException iaex) { + final String msg + = String.format("'%s' is not a valid octal escape sequence'", seq); final IllegalArgumentException reiaex = new IllegalArgumentException(msg); @@ -285,11 +286,11 @@ public class TokenUtils { } /** - * Check if a given string would be successfully converted to a double - * by {@link Double#parseDouble(String)}. + * Check if a given string would be successfully converted to a double by + * {@link Double#parseDouble(String)}. * * @param inp - * The string to check. + * The string to check. * @return Whether the string is a valid double or not. */ public static boolean isDouble(final String inp) { @@ -297,21 +298,21 @@ public class TokenUtils { } /** - * Check if a given string would be successfully converted to a integer - * by {@link Integer#parseInt(String)}. + * Check if a given string would be successfully converted to a integer by + * {@link Integer#parseInt(String)}. * - * NOTE: This only checks syntax. Using values out of the range of - * integers will still cause errors. + * NOTE: This only checks syntax. Using values out of the range of integers will + * still cause errors. * * @param inp - * The input to check. + * The input to check. * @return Whether the string is a valid integer or not. */ public static boolean isInt(final String inp) { try { Integer.parseInt(inp); return true; - } catch(NumberFormatException nfex) { + } catch (NumberFormatException nfex) { return false; } } |
