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Improve parsing command line in build tools when using lots of quotes

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This commit is contained in:
Wojtek Figat
2023-09-20 10:06:16 +02:00
parent 1740cbf2eb
commit 34a36d822a
2 changed files with 32 additions and 8 deletions
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6
Source/Tools/Flax.Build.Tests/TestCommandLine.cs
View File

@@ -12,6 +12,7 @@ namespace Flax.Build.Tests
[Test, Sequential]
public void TestParseOptionOnly([Values(
"-something",
"something",
" \t \t-\t \tsomething\t ",
"-something=")]
string commandLine)
@@ -25,6 +26,11 @@ namespace Flax.Build.Tests
[Test, Sequential]
public void TestParseOneValue([Values(
"-something=value",
"something=value",
"-something=\"value\"",
"-something=\\\"value\\\"",
"\"-something=\"value\"\"",
"\"-something=\\\"value\\\"\"",
" \t \t-\t \tsomething\t =value ",
"-something=value ")]
string commandLine)

34
Source/Tools/Flax.Build/CommandLine.cs
View File

@@ -249,6 +249,8 @@ namespace Flax.Build
var wholeQuote = commandLine[i] == '\"';
if (wholeQuote)
i++;
if (i == length)
break;
if (commandLine[i] == '-')
i++;
else if (commandLine[i] == '/')
@@ -279,7 +281,7 @@ namespace Flax.Build
});
if (wholeQuote)
i++;
if (i != length && commandLine[i] != '\"')
if (i < length && commandLine[i] != '\"')
i++;
continue;
}
@@ -287,23 +289,36 @@ namespace Flax.Build
// Read value
i++;
int valueStart, valueEnd;
if (commandLine[i] == '\"')
if (commandLine.Length > i + 1 && commandLine[i] == '\\' && commandLine[i + 1] == '\"')
{
valueStart = i + 1;
valueStart = i + 2;
i++;
while (i < length && commandLine[i] != '\"')
while (i + 1 < length && commandLine[i] != '\\' && commandLine[i + 1] != '\"')
i++;
valueEnd = i;
i++;
i += 2;
if (wholeQuote)
{
while (i < length && commandLine[i] != '\"')
i++;
i++;
}
}
else if (commandLine[i] == '\'')
else if (commandLine[i] == '\"' || commandLine[i] == '\'')
{
var quoteChar = commandLine[i];
valueStart = i + 1;
i++;
while (i < length && commandLine[i] != '\'')
while (i < length && commandLine[i] != quoteChar)
i++;
valueEnd = i;
i++;
if (wholeQuote)
{
while (i < length && commandLine[i] != '\"')
i++;
i++;
}
}
else if (wholeQuote)
{
@@ -321,10 +336,13 @@ namespace Flax.Build
valueEnd = i;
}
string value = commandLine.Substring(valueStart, valueEnd - valueStart);
value = value.Trim();
if (value.StartsWith("\\\"") && value.EndsWith("\\\""))
value = value.Substring(2, value.Length - 4);
options.Add(new Option
{
Name = name,
Value = value.Trim()
Value = value
});
}