summaryrefslogtreecommitdiff
path: root/BJC-Utils2/src/main/java/bjc/utils/funcutils
diff options
context:
space:
mode:
authorbculkin2442 <bjculkin@mix.wvu.edu>2017-03-14 14:48:56 -0400
committerbculkin2442 <bjculkin@mix.wvu.edu>2017-03-14 14:48:56 -0400
commita1662cac9d27581cffda8e6d1b2ede9fa346724d (patch)
tree35259598045393c4bf11c49c8896001fd0cf8121 /BJC-Utils2/src/main/java/bjc/utils/funcutils
parent4f572b2db312ae4368afd031b50ce3c78a12fc8d (diff)
Formatting
Diffstat (limited to 'BJC-Utils2/src/main/java/bjc/utils/funcutils')
-rw-r--r--BJC-Utils2/src/main/java/bjc/utils/funcutils/DoubleMatcher.java87
-rw-r--r--BJC-Utils2/src/main/java/bjc/utils/funcutils/NeoTokenSplitter.java25
2 files changed, 61 insertions, 51 deletions
diff --git a/BJC-Utils2/src/main/java/bjc/utils/funcutils/DoubleMatcher.java b/BJC-Utils2/src/main/java/bjc/utils/funcutils/DoubleMatcher.java
index 8d0715d..03227ed 100644
--- a/BJC-Utils2/src/main/java/bjc/utils/funcutils/DoubleMatcher.java
+++ b/BJC-Utils2/src/main/java/bjc/utils/funcutils/DoubleMatcher.java
@@ -17,56 +17,55 @@ class DoubleMatcher {
*/
private static final String Exp = "[eE][+-]?" + Digits;
- private static final String fpRegex = "[\\x00-\\x20]*" + // Optional
- // leading
- // "whitespace"
- "[+-]?(" + // Optional sign character
- "NaN|" + // "NaN" string
- "Infinity|" + // "Infinity" string
+ private static final String fpRegex =
+ "[\\x00-\\x20]*" // Optional leading "whitespace"
+ + "[+-]?(" + // Optional sign character
+ "NaN|" + // "NaN" string
+ "Infinity|" + // "Infinity" string
- /*
- * A decimal floating-point string representing a finite
- * positive number without a leading sign has at most
- * five basic pieces: Digits . Digits ExponentPart
- * FloatTypeSuffix
- *
- * Since this method allows integer-only strings as
- * input in addition to strings of floating-point
- * literals, the two sub-patterns below are
- * simplifications of the grammar productions from
- * section 3.10.2 of The Java™ Language Specification.
- */
+ /*
+ * A decimal floating-point string representing a finite
+ * positive number without a leading sign has at most
+ * five basic pieces: Digits . Digits ExponentPart
+ * FloatTypeSuffix
+ *
+ * Since this method allows integer-only strings as
+ * input in addition to strings of floating-point
+ * literals, the two sub-patterns below are
+ * simplifications of the grammar productions from
+ * section 3.10.2 of The Java™ Language Specification.
+ */
- /*
- * Digits ._opt Digits_opt ExponentPart_opt
- * FloatTypeSuffix_opt
- */
- "(((" + Digits + "(\\.)?(" + Digits + "?)(" + Exp + ")?)|" +
+ /*
+ * Digits ._opt Digits_opt ExponentPart_opt
+ * FloatTypeSuffix_opt
+ */
+ "(((" + Digits + "(\\.)?(" + Digits + "?)(" + Exp + ")?)|" +
- /*
- * . Digits ExponentPart_opt FloatTypeSuffix_opt
- */
- "(\\.(" + Digits + ")(" + Exp + ")?)|" +
+ /*
+ * . Digits ExponentPart_opt FloatTypeSuffix_opt
+ */
+ "(\\.(" + Digits + ")(" + Exp + ")?)|" +
- /*
- * Hexadecimal strings
- */
- "((" +
- /*
- * 0[xX] HexDigits ._opt BinaryExponent
- * FloatTypeSuffix_opt
- */
- "(0[xX]" + HexDigits + "(\\.)?)|" +
+ /*
+ * Hexadecimal strings
+ */
+ "((" +
+ /*
+ * 0[xX] HexDigits ._opt BinaryExponent
+ * FloatTypeSuffix_opt
+ */
+ "(0[xX]" + HexDigits + "(\\.)?)|" +
- /*
- * 0[xX] HexDigits_opt . HexDigits BinaryExponent
- * FloatTypeSuffix_opt
- */
- "(0[xX]" + HexDigits + "?(\\.)" + HexDigits + ")" +
+ /*
+ * 0[xX] HexDigits_opt . HexDigits BinaryExponent
+ * FloatTypeSuffix_opt
+ */
+ "(0[xX]" + HexDigits + "?(\\.)" + HexDigits + ")" +
- ")[pP][+-]?" + Digits + "))" + "[fFdD]?))" + "[\\x00-\\x20]*"; // Optional
- // trailing
- // "whitespace"
+ ")[pP][+-]?" + Digits + "))" + "[fFdD]?))" + "[\\x00-\\x20]*"; // Optional
+ // trailing
+ // "whitespace"
public static final Pattern floatingLiteral = Pattern.compile("\\A" + fpRegex + "\\Z");
}
diff --git a/BJC-Utils2/src/main/java/bjc/utils/funcutils/NeoTokenSplitter.java b/BJC-Utils2/src/main/java/bjc/utils/funcutils/NeoTokenSplitter.java
index 25b1e03..9da457e 100644
--- a/BJC-Utils2/src/main/java/bjc/utils/funcutils/NeoTokenSplitter.java
+++ b/BJC-Utils2/src/main/java/bjc/utils/funcutils/NeoTokenSplitter.java
@@ -11,8 +11,12 @@ public class NeoTokenSplitter {
/*
* This string is a format template for the delimiter matching regex
*
- * It does two things 1. Match the provided delimiter by positive
- * lookahead 2. Match the provided delimiter by positive lookbehind
+ * It does two things:
+ *
+ * <ol>
+ * <li> Match to the left of the provided delimiter by positive lookahead </li>
+ * <li> Match to the right of the provided delimiter by positive lookbehind </li>
+ * </ol>
*
* Thus, it will only match in places where the delimiter is, but won't
* actually match the delimiter, leaving split to put it into the stream
@@ -29,9 +33,17 @@ public class NeoTokenSplitter {
*/
private static String WITH_MULTI_DELIM = "((?<=%1$s+)(?!%1$s)|(?<!%1$s)(?=%1$s+))";
+ /*
+ * These represent the internal state of the splitter.
+ */
private StringBuilder currPatt;
private StringBuilder currExclusionPatt;
+ /*
+ * These represent the external state of the splitter.
+ *
+ * Compilation causes internal to become external.
+ */
private Pattern compPatt;
private Pattern exclusionPatt;
@@ -78,10 +90,10 @@ public class NeoTokenSplitter {
*/
public void addDelimiter(String delim) {
String quoteDelim = Pattern.quote(delim);
- String delimPat = String.format(WITH_DELIM, quoteDelim);
+ String delimPat = String.format(WITH_DELIM, quoteDelim);
if(currPatt == null) {
- currPatt = new StringBuilder();
+ currPatt = new StringBuilder();
currExclusionPatt = new StringBuilder();
currPatt.append("(?:" + delimPat + ")");
@@ -105,7 +117,7 @@ public class NeoTokenSplitter {
String delimPat = String.format(WITH_MULTI_DELIM, "(?:" + delim + ")");
if(currPatt == null) {
- currPatt = new StringBuilder();
+ currPatt = new StringBuilder();
currExclusionPatt = new StringBuilder();
currPatt.append("(?:" + delimPat + ")");
@@ -133,14 +145,13 @@ public class NeoTokenSplitter {
currExclusionPatt.append("|(?:" + delim + ")");
}
}
-
/**
* Compiles the current set of delimiters to a pattern.
*
* Makes this splitter ready to use.
*/
public void compile() {
- compPatt = Pattern.compile(currPatt.toString());
+ compPatt = Pattern.compile(currPatt.toString());
exclusionPatt = Pattern.compile(currExclusionPatt.toString());
}
}