LANG-1300: Merged Rob's javadoc comments and updated to use code units instead of code points
Project: http://git-wip-us.apache.org/repos/asf/commons-lang/repo Commit: http://git-wip-us.apache.org/repos/asf/commons-lang/commit/b521820b Tree: http://git-wip-us.apache.org/repos/asf/commons-lang/tree/b521820b Diff: http://git-wip-us.apache.org/repos/asf/commons-lang/diff/b521820b Branch: refs/heads/master Commit: b521820b23c45fd068618d10955eceed48801eff Parents: 0e1b328 Author: MarkDacek <mark.da...@richmond.edu> Authored: Wed Mar 15 23:32:31 2017 -0400 Committer: MarkDacek <mark.da...@richmond.edu> Committed: Wed Mar 15 23:32:31 2017 -0400 ---------------------------------------------------------------------- .../apache/commons/lang3/CharSequenceUtils.java | 20 +++-------------- .../lang3/StringUtilsEqualsIndexOfTest.java | 23 +++++++++++++++----- 2 files changed, 21 insertions(+), 22 deletions(-) ---------------------------------------------------------------------- http://git-wip-us.apache.org/repos/asf/commons-lang/blob/b521820b/src/main/java/org/apache/commons/lang3/CharSequenceUtils.java ---------------------------------------------------------------------- diff --git a/src/main/java/org/apache/commons/lang3/CharSequenceUtils.java b/src/main/java/org/apache/commons/lang3/CharSequenceUtils.java index 7be6573..88d7373 100644 --- a/src/main/java/org/apache/commons/lang3/CharSequenceUtils.java +++ b/src/main/java/org/apache/commons/lang3/CharSequenceUtils.java @@ -113,18 +113,13 @@ public class CharSequenceUtils { } //supplementary characters (LANG1300) if (searchChar <= Character.MAX_CODE_POINT) { - int ind = 0; char[] chars = Character.toChars(searchChar); for (int i = start; i < sz - 1; i++) { char high = cs.charAt(i); char low = cs.charAt(i + 1); if (high == chars[0] && low == chars[1]) { - return ind; - } else if (Character.isSurrogatePair(high, low)) { - //skip over 1 - i++; + return i; } - ind++; } } return NOT_FOUND; @@ -203,21 +198,12 @@ public class CharSequenceUtils { if (start == sz - 1) { return NOT_FOUND; } - int maxInd = -1; - int ind = 0; - for (int i = 0; i < cs.length() - 1; i++) { + for (int i = start; i >= 0; i--) { char high = cs.charAt(i); char low = cs.charAt(i + 1); if (chars[0] == high && chars[1] == low) { - maxInd = ind; - i++; - } else if (Character.isSurrogatePair(high, low)) { - i++; //skip over one + return i; } - ind++; - } - if (maxInd >= start) { - return maxInd; } } return NOT_FOUND; http://git-wip-us.apache.org/repos/asf/commons-lang/blob/b521820b/src/test/java/org/apache/commons/lang3/StringUtilsEqualsIndexOfTest.java ---------------------------------------------------------------------- diff --git a/src/test/java/org/apache/commons/lang3/StringUtilsEqualsIndexOfTest.java b/src/test/java/org/apache/commons/lang3/StringUtilsEqualsIndexOfTest.java index 701f022..4635a54 100644 --- a/src/test/java/org/apache/commons/lang3/StringUtilsEqualsIndexOfTest.java +++ b/src/test/java/org/apache/commons/lang3/StringUtilsEqualsIndexOfTest.java @@ -300,13 +300,21 @@ public class StringUtilsEqualsIndexOfTest { StringBuilder builder = new StringBuilder(); builder.appendCodePoint(CODE_POINT); assertEquals(0, StringUtils.indexOf(builder, CODE_POINT, 0)); + assertEquals(0, StringUtils.indexOf(builder.toString(), CODE_POINT, 0)); builder.appendCodePoint(CODE_POINT); - assertEquals(1, StringUtils.indexOf(builder, CODE_POINT, 1)); + assertEquals(2, StringUtils.indexOf(builder, CODE_POINT, 1)); + assertEquals(2, StringUtils.indexOf(builder.toString(), CODE_POINT, 1)); //inner branch on the supplementary character block char[] tmp = {(char) 55361}; builder = new StringBuilder(); builder.append(tmp); assertEquals(-1, StringUtils.indexOf(builder, CODE_POINT, 0)); + assertEquals(-1, StringUtils.indexOf(builder.toString(), CODE_POINT, 0)); + builder.appendCodePoint(CODE_POINT); + assertEquals(1, StringUtils.indexOf(builder, CODE_POINT, 0)); + assertEquals(1, StringUtils.indexOf(builder.toString(), CODE_POINT, 0)); + assertEquals(-1, StringUtils.indexOf(builder, CODE_POINT, 2)); + assertEquals(-1, StringUtils.indexOf(builder.toString(), CODE_POINT, 2)); } @@ -546,20 +554,25 @@ public class StringUtilsEqualsIndexOfTest { builder.appendCodePoint(CODE_POINT); assertEquals(0, StringUtils.lastIndexOf(builder, CODE_POINT, 0)); builder.appendCodePoint(CODE_POINT); - assertEquals(1, StringUtils.lastIndexOf(builder, CODE_POINT, 0)); - assertEquals(1, StringUtils.lastIndexOf(builder, CODE_POINT, 1)); + assertEquals(0, StringUtils.lastIndexOf(builder, CODE_POINT, 0)); + assertEquals(0, StringUtils.lastIndexOf(builder, CODE_POINT, 1)); + assertEquals(2, StringUtils.lastIndexOf(builder, CODE_POINT, 2)); + builder.append("aaaaa"); - assertEquals(-1, StringUtils.lastIndexOf(builder, CODE_POINT, 4)); + assertEquals(2, StringUtils.lastIndexOf(builder, CODE_POINT, 4)); //inner branch on the supplementary character block char[] tmp = {(char) 55361}; builder = new StringBuilder(); builder.append(tmp); assertEquals(-1, StringUtils.lastIndexOf(builder, CODE_POINT, 0)); builder.appendCodePoint(CODE_POINT); - assertEquals(1, StringUtils.lastIndexOf(builder, CODE_POINT, 0 )); + assertEquals(-1, StringUtils.lastIndexOf(builder, CODE_POINT, 0 )); assertEquals(1, StringUtils.lastIndexOf(builder, CODE_POINT, 1 )); + assertEquals(-1, StringUtils.lastIndexOf(builder.toString(), CODE_POINT, 0)); + assertEquals(1, StringUtils.lastIndexOf(builder.toString(), CODE_POINT, 1)); + }
