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Code Issues Wiki Activity

Cosmetics

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Change-Id: I8036046d2e755de2e77ef5bf6502008d4ada0e49
This commit is contained in:
Jonah Graham 2016-11-14 20:46:24 +00:00
parent 334777eb6e
commit b4cc24e31e
1 changed files with 141 additions and 134 deletions
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275
core/org.eclipse.cdt.core/utils/org/eclipse/cdt/utils/CommandLineUtil.java
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@ -17,12 +17,13 @@ import org.eclipse.osgi.service.environment.Constants;
/**
* Utilities to work with command line, parse arguments, etc.
*
* @noextend This class is not intended to be subclassed by clients.
* @noinstantiate This class is not intended to be instantiated by clients.
* @since 5.1
*/
public class CommandLineUtil {
public static String[] argumentsToArray(String line) {
boolean osWin;
try {
@ -36,16 +37,18 @@ public class CommandLineUtil {
return argumentsToArrayUnixStyle(line);
}
}
/**
* Parsing arguments in a shell style.
* i.e.
* <code>
* Parsing arguments in a shell style. i.e.
*
* <pre>
* ["a b c" d] -> [[a b c],[d]]
* [a d] -> [[a],[d]]
* ['"quoted"'] -> [["quoted"]]
* [\\ \" \a] -> [[\],["],[a]]
* ["str\\str\a"] -> [[str\str\a]]
* </code>
* </pre>
*
* @param line
* @return array of arguments, or empty array if line is null or empty
*/
@ -69,97 +72,99 @@ public class CommandLineUtil {
char c = array[i];
switch (state) {
case IN_ARG:
// fall through
case INITIAL:
if (Character.isWhitespace(c)) {
if (state == INITIAL) break; // ignore extra spaces
// add argument
state = INITIAL;
String arg = buffer.toString();
buffer = new StringBuilder();
aList.add(arg);
} else {
switch (c) {
case '\\':
state = ESCAPED;
break;
case '\'':
state = IN_SINGLE_QUOTES;
break;
case '\"':
state = IN_DOUBLE_QUOTES;
break;
default:
state = IN_ARG;
buffer.append(c);
break;
}
}
break;
case IN_DOUBLE_QUOTES:
case IN_ARG:
// fall through
case INITIAL:
if (Character.isWhitespace(c)) {
if (state == INITIAL)
break; // ignore extra spaces
// add argument
state = INITIAL;
String arg = buffer.toString();
buffer = new StringBuilder();
aList.add(arg);
} else {
switch (c) {
case '\\':
state = IN_DOUBLE_QUOTES_ESCAPED;
break;
case '\"':
state = IN_ARG;
break;
default:
buffer.append(c);
break;
case '\\':
state = ESCAPED;
break;
case '\'':
state = IN_SINGLE_QUOTES;
break;
case '\"':
state = IN_DOUBLE_QUOTES;
break;
default:
state = IN_ARG;
buffer.append(c);
break;
}
}
break;
case IN_DOUBLE_QUOTES:
switch (c) {
case '\\':
state = IN_DOUBLE_QUOTES_ESCAPED;
break;
case IN_SINGLE_QUOTES:
switch (c) {
case '\'':
state = IN_ARG;
break;
default:
buffer.append(c);
break;
}
break;
case IN_DOUBLE_QUOTES_ESCAPED:
switch (c) {
case '\"':
case '\\':
buffer.append(c);
break;
case 'n':
buffer.append("\n"); //$NON-NLS-1$
break;
default:
buffer.append('\\');
buffer.append(c);
break;
}
state = IN_DOUBLE_QUOTES;
break;
case ESCAPED:
buffer.append(c);
case '\"':
state = IN_ARG;
break;
default:
buffer.append(c);
break;
}
break;
case IN_SINGLE_QUOTES:
switch (c) {
case '\'':
state = IN_ARG;
break;
default:
buffer.append(c);
break;
}
break;
case IN_DOUBLE_QUOTES_ESCAPED:
switch (c) {
case '\"':
case '\\':
buffer.append(c);
break;
case 'n':
buffer.append("\n"); //$NON-NLS-1$
break;
default:
buffer.append('\\');
buffer.append(c);
break;
}
state = IN_DOUBLE_QUOTES;
break;
case ESCAPED:
buffer.append(c);
state = IN_ARG;
break;
}
}
if (state != INITIAL) { // this allow to process empty string as an argument
if (state != INITIAL) { // this allow to process empty string as an
// argument
aList.add(buffer.toString());
}
return aList.toArray(new String[aList.size()]);
}
/**
* Parsing arguments in a cmd style.
* i.e.
* <code>
* Parsing arguments in a cmd style. i.e.
*
* <pre>
* ["a b c" d] -> [[a b c],[d]]
* [a d] -> [[a],[d]]
* ['"quoted"'] -> [['quoted']]
* [\\ \" \a] -> [[\\],["],[\a]]
* ["str\\str\a"] -> [[str\\str\a]]
* </code>
* </pre>
*
* @param line
* @return array of arguments, or empty array if line is null or empty
*/
@ -182,73 +187,75 @@ public class CommandLineUtil {
char c = array[i];
switch (state) {
case IN_ARG:
// fall through
case INITIAL:
if (Character.isWhitespace(c)) {
if (state == INITIAL) break; // ignore extra spaces
// add argument
state = INITIAL;
String arg = buffer.toString();
buffer = new StringBuilder();
aList.add(arg);
} else {
switch (c) {
case '\\':
state = ESCAPED;
break;
case '\"':
state = IN_DOUBLE_QUOTES;
break;
default:
state = IN_ARG;
buffer.append(c);
break;
}
}
break;
case IN_DOUBLE_QUOTES:
case IN_ARG:
// fall through
case INITIAL:
if (Character.isWhitespace(c)) {
if (state == INITIAL)
break; // ignore extra spaces
// add argument
state = INITIAL;
String arg = buffer.toString();
buffer = new StringBuilder();
aList.add(arg);
} else {
switch (c) {
case '\\':
state = IN_DOUBLE_QUOTES_ESCAPED;
break;
case '\"':
state = IN_ARG;
break;
default:
buffer.append(c);
break;
}
break;
case IN_DOUBLE_QUOTES_ESCAPED:
switch (c) {
case '\"':
buffer.append(c);
break;
default:
buffer.append('\\');
buffer.append(c);
break;
}
state = IN_DOUBLE_QUOTES;
break;
case ESCAPED:
state = IN_ARG;
switch (c) {
case ' ':
case '\\':
state = ESCAPED;
break;
case '\"':
buffer.append(c);
state = IN_DOUBLE_QUOTES;
break;
default:
buffer.append('\\');
state = IN_ARG;
buffer.append(c);
break;
}
}
break;
case IN_DOUBLE_QUOTES:
switch (c) {
case '\\':
state = IN_DOUBLE_QUOTES_ESCAPED;
break;
case '\"':
state = IN_ARG;
break;
default:
buffer.append(c);
break;
}
break;
case IN_DOUBLE_QUOTES_ESCAPED:
switch (c) {
case '\"':
buffer.append(c);
break;
default:
buffer.append('\\');
buffer.append(c);
break;
}
state = IN_DOUBLE_QUOTES;
break;
case ESCAPED:
state = IN_ARG;
switch (c) {
case ' ':
case '\"':
buffer.append(c);
break;
default:
buffer.append('\\');
buffer.append(c);
break;
}
break;
}
}
if (state != INITIAL) { // this allow to process empty string as an argument
if (state != INITIAL) { // this allow to process empty string as an
// argument
aList.add(buffer.toString());
}
return aList.toArray(new String[aList.size()]);