java-decompiler: minor optimization

This commit is contained in:
Roman Shevchenko 2014-10-08 13:27:11 +02:00
parent 37422ead1c
commit 41b8ab9299
2 changed files with 16 additions and 5 deletions

View File

@ -220,7 +220,7 @@ public class ClassWriter {
}
// FIXME: fields don't matter at the moment
total_offset_lines = buffer.substring(start_class_def).toString().split(lineSeparator, -1).length - 1;
total_offset_lines = buffer.count(lineSeparator, start_class_def);
// methods
for (StructMethod mt : cl.getMethods()) {
@ -812,8 +812,7 @@ public class ClassWriter {
if (root != null && !methodWrapper.decompiledWithErrors) { // check for existence
try {
tracer.incrementCurrentSourceLine(buffer.substring(start_index_method).split(lineSeparator, -1).length - 1);
tracer.incrementCurrentSourceLine(buffer.count(lineSeparator, start_index_method));
String code = root.toJava(indent + 1, tracer);
@ -842,7 +841,7 @@ public class ClassWriter {
// save total lines
// TODO: optimize
tracer.setCurrentSourceLine(buffer.substring(start_index_method).split(lineSeparator, -1).length - 1);
tracer.setCurrentSourceLine(buffer.count(lineSeparator, start_index_method));
return !hideMethod;
}

View File

@ -17,7 +17,10 @@ package org.jetbrains.java.decompiler.main;
import org.jetbrains.java.decompiler.main.extern.IFernflowerPreferences;
import java.util.*;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
/**
* Allows to connect text with resulting lines
@ -172,4 +175,13 @@ public class TextBuffer {
}
myStringBuilder.insert(offset, s);
}
public int count(String substring, int from) {
int count = 0, length = substring.length(), p = from;
while ((p = myStringBuilder.indexOf(substring, p)) > 0) {
++count;
p += length;
}
return count;
}
}