1
0
Fork 0
mirror of https://github.com/eclipse-cdt/cdt synced 2025-07-23 17:05:26 +02:00

Bug 284664.

This commit is contained in:
Sergey Prigogin 2009-07-25 22:16:08 +00:00
parent 2851e70790
commit cc5f407e23
3 changed files with 66 additions and 42 deletions

View file

@ -7,6 +7,7 @@
*
* Contributors:
* Anton Leherbauer (Wind River Systems) - initial API and implementation
* Sergey Prigogin (Google)
*******************************************************************************/
package org.eclipse.cdt.ui.tests.text;
@ -39,6 +40,32 @@ public class CWordFinderTest extends BaseUITestCase {
super.tearDown();
}
public void testBasic() {
IDocument doc= new Document(" func(int a, int b);");
IRegion region = CWordFinder.findWord(doc, 1);
assertEquals(1, region.getOffset());
assertEquals(4, region.getLength());
region = CWordFinder.findWord(doc, 4);
assertEquals(1, region.getOffset());
assertEquals(4, region.getLength());
region = CWordFinder.findWord(doc, 5);
assertEquals(1, region.getOffset());
assertEquals(4, region.getLength());
region = CWordFinder.findWord(doc, 6);
assertEquals(6, region.getOffset());
assertEquals(3, region.getLength());
region = CWordFinder.findWord(doc, 12);
assertEquals(12, region.getOffset());
assertEquals(0, region.getLength());
doc= new Document("func();");
region = CWordFinder.findWord(doc, 0);
assertEquals(0, region.getOffset());
assertEquals(4, region.getLength());
region = CWordFinder.findWord(doc, 5);
assertEquals(5, region.getOffset());
assertEquals(0, region.getLength());
}
public void testFindWord() throws BadLocationException {
IDocument doc= new Document();
StringBuffer buf= new StringBuffer();

View file

@ -36,7 +36,6 @@ import org.eclipse.cdt.internal.ui.editor.CElementHyperlinkDetector;
* @author Mike Kucera
*/
public class HyperlinkTest extends TestCase {
private static final String CPP_FILE_NAME = "hyperlink_test_cpp.cpp";
private static final String CPP_CODE =
@ -59,14 +58,12 @@ public class HyperlinkTest extends TestCase {
" p + p;" +
"} \n";
private static final String C_FILE_NAME_1 = "hyperlink_test_c_1.c";
private static final String C_CODE_1 =
"int main() { \n" +
" int class = 99; \n" +
"}";
private static final String C_FILE_NAME_2 = "hyperlink_test_c_2.c";
private static final String C_CODE_2 =
"#ifdef NOTDEF\n" +
@ -74,17 +71,15 @@ public class HyperlinkTest extends TestCase {
"#else\n" +
" int itworks = 100; \n" +
"#endif\n";
private ICProject project;
private CEditor editor;
public static TestSuite suite() {
return new TestSuite(HyperlinkTest.class);
}
private void setUpEditor(String fileName, String code) throws Exception {
super.setUp();
project= CProjectHelper.createCCProject(super.getName(), "unused", IPDOMManager.ID_NO_INDEXER);
@ -158,7 +153,7 @@ public class HyperlinkTest extends TestCase {
// no hyperlinks for punctuation
assertNotHyperlink(CPP_CODE.indexOf("{"));
assertNotHyperlink(CPP_CODE.indexOf("}"));
assertNotHyperlink(CPP_CODE.indexOf("("));
assertNotHyperlink(CPP_CODE.indexOf("(" + 1));
assertNotHyperlink(CPP_CODE.indexOf(")"));
assertNotHyperlink(CPP_CODE.indexOf(":"));
assertNotHyperlink(CPP_CODE.indexOf(";"));
@ -178,8 +173,7 @@ public class HyperlinkTest extends TestCase {
// hyperlinks for overloaded operators
assertHyperlink(CPP_CODE.indexOf("+ p"), CPP_CODE.indexOf("+ p"), 1);
}
public void testHyperlinksCKeywords() throws Exception {
setUpEditor(C_FILE_NAME_1, C_CODE_1);
@ -189,8 +183,7 @@ public class HyperlinkTest extends TestCase {
// no hyperlinks for numeric literals
assertNotHyperlink(C_CODE_1.indexOf("99") + 1);
}
public void testHyperlinksInactiveCode() throws Exception {
setUpEditor(C_FILE_NAME_2, C_CODE_2);
@ -202,7 +195,4 @@ public class HyperlinkTest extends TestCase {
// assertNotHyperlink(C_CODE_2.indexOf("nothere") + 1);
assertHyperlink(C_CODE_2.indexOf("itworks") + 1, C_CODE_2.indexOf("itworks"), "itworks".length());
}
}

View file

@ -7,6 +7,7 @@
*
* Contributors:
* QNX Software Systems - Initial API and implementation
* Sergey Prigogin (Google)
*******************************************************************************/
package org.eclipse.cdt.internal.ui.text;
@ -25,25 +26,30 @@ public class CWordFinder {
private static final char CBRACE_L = '{';
private static final char CBRACE_R = '}';
private static final char BRACE_R = ')';
private static final char PAREN_R = ')';
/**
* This method determines for a given offset into a given document what the
* region is which defines the current word. A word is defined as the set of
* non "C" identifiers. So assuming that ! indicated the current cursor
* postion: !afunction(int a, int b) --> word = length 0 afunc!tion(int a,
* int b) --> word = afunction afunction!(int a, int b) --> word = afunction
* afunction(!int a, int b) --> word = length 0 afunction(int a,! int b) -->
* word = length 0 afunction(!) --> word = length 0
* region is which defines the current word. A word is defined as a contiguous
* sequence of C-identifier characters. So assuming that | indicates the current
* cursor position:
* <pre>
* |afunction(int a, int b) --> word = afunction
* afunc|tion(int a, int b) --> word = afunction
* afunction|(int a, int b) --> word = afunction
* afunction(|int a, int b) --> word = int
* afunction(int a,| int b) --> word = length 0
* afunction(|) --> word = length 0
* </pre>
*
* @param document
* The document to be examined
* @param offset
* The offset into the document where a word should be
* idendified.
* identified.
* @return The region defining the current word, which may be a region of
* length 0 if the offset is not in a word, or null if there is an
* error accessing the docment data.
* error accessing the document data.
*/
public static IRegion findWord(IDocument document, int offset) {
int start = -2;
@ -53,11 +59,11 @@ public class CWordFinder {
int pos = offset;
char c;
while (pos >= 0) {
while (--pos >= 0) {
c = document.getChar(pos);
if (!Character.isJavaIdentifierPart(c))
if (!Character.isJavaIdentifierPart(c)) {
break;
--pos;
}
}
start = pos;
@ -73,7 +79,6 @@ public class CWordFinder {
}
end = pos;
} catch (BadLocationException x) {
}
@ -97,10 +102,10 @@ public class CWordFinder {
* The document to be examined
* @param offset
* The offset into the document where a word should be
* idendified.
* identified.
* @return The region defining the current word, which may be a region of
* length 0 if the offset is not in a function, or null if there is
* an error accessing the docment data.
* an error accessing the document data.
*/
public static IRegion findFunction(IDocument document, int offset) {
int leftbracket = -1;
@ -144,7 +149,7 @@ public class CWordFinder {
return new Region(offset, 0);
}
//Now backtrack our way from the rightbracket to the left
// Now backtrack our way from the right bracket to the left
pos = rightbracket;
rightbracketcount = leftbracketcount = 0;
while (pos >= 0) {
@ -173,7 +178,7 @@ public class CWordFinder {
return new Region(offset, 0);
}
//Now work our way to the function name
// Now work our way to the function name
pos = leftbracket - 1;
while (pos >= 0) {
c = document.getChar(pos);
@ -222,7 +227,7 @@ public class CWordFinder {
int bracketcount = 0;
char c;
//Find left curled bracket from our position
// Find left curled brace from our position
while (pos > 0) {
c = document.getChar(pos--);
@ -232,18 +237,19 @@ public class CWordFinder {
if (bracketcount-- == 0) {
do {
c = document.getChar(pos--);
if (c == BRACE_R) return false;
if (c == PAREN_R)
return false;
} while (Character.isWhitespace(c));
// container block seems to be not a function or statement body
// Container block seems to be not a function or statement body
pos++; // step back one symbol
bracketcount = 0; // let's search for upper block
}
}
}
} catch (BadLocationException x) { /* Ignore */ }
// return true in case of unknown result or exception
return true;
} catch (BadLocationException x) {
// Ignore
}
return true; // return true in case of unknown result or exception
}
/**
@ -258,14 +264,16 @@ public class CWordFinder {
int counter = 0;
char lf = 0;
char c;
for (int i=0; i<s.length(); i++) {
for (int i= 0; i < s.length(); i++) {
c = s.charAt(i);
if (lf == 0) {
if (c == '\n' || c == '\r') {
lf = c;
counter++;
}
} else if (lf == c) counter++;
} else if (lf == c) {
counter++;
}
}
return counter;
}
@ -283,4 +291,3 @@ public class CWordFinder {
return false;
}
}