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ENH: Refactor install(DIRECTORY) argument parsing 

We previously used several booleans with at most one set to true at a
time to track argument parsing state.  This refactors it to use one
enumeration.
This commit is contained in:
Brad King 2009-02-24 11:41:00 -05:00
parent 5a7ac0def1
commit a79f8cd4c1
1 changed files with 29 additions and 100 deletions
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129
Source/cmInstallCommand.cxx
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@ -850,15 +850,10 @@ bool cmInstallCommand::HandleFilesMode(std::vector<std::string> const& args)
bool
cmInstallCommand::HandleDirectoryMode(std::vector<std::string> const& args)
{
bool doing_dirs = true;
bool doing_destination = false;
bool doing_pattern = false;
bool doing_regex = false;
bool doing_permissions_file = false;
bool doing_permissions_dir = false;
bool doing_permissions_match = false;
bool doing_configurations = false;
bool doing_component = false;
enum Doing { DoingNone, DoingDirs, DoingDestination, DoingPattern,
DoingRegex, DoingPermsFile, DoingPermsDir, DoingPermsMatch,
DoingConfigurations, DoingComponent };
Doing doing = DoingDirs;
bool in_match_mode = false;
std::vector<std::string> dirs;
const char* destination = 0;
@ -881,47 +876,24 @@ cmInstallCommand::HandleDirectoryMode(std::vector<std::string> const& args)
}
// Switch to setting the destination property.
doing_dirs = false;
doing_destination = true;
doing_pattern = false;
doing_regex = false;
doing_permissions_file = false;
doing_permissions_dir = false;
doing_configurations = false;
doing_component = false;
doing = DoingDestination;
}
else if(args[i] == "PATTERN")
{
// Switch to a new pattern match rule.
doing_dirs = false;
doing_destination = false;
doing_pattern = true;
doing_regex = false;
doing_permissions_file = false;
doing_permissions_dir = false;
doing_permissions_match = false;
doing_configurations = false;
doing_component = false;
doing = DoingPattern;
in_match_mode = true;
}
else if(args[i] == "REGEX")
{
// Switch to a new regex match rule.
doing_dirs = false;
doing_destination = false;
doing_pattern = false;
doing_regex = true;
doing_permissions_file = false;
doing_permissions_dir = false;
doing_permissions_match = false;
doing_configurations = false;
doing_component = false;
doing = DoingRegex;
in_match_mode = true;
}
else if(args[i] == "EXCLUDE")
{
// Add this property to the current match rule.
if(!in_match_mode || doing_pattern || doing_regex)
if(!in_match_mode || doing == DoingPattern || doing == DoingRegex)
{
cmOStringStream e;
e << args[0] << " does not allow \""
@ -930,7 +902,7 @@ cmInstallCommand::HandleDirectoryMode(std::vector<std::string> const& args)
return false;
}
literal_args += " EXCLUDE";
doing_permissions_match = false;
doing = DoingNone;
}
else if(args[i] == "PERMISSIONS")
{
@ -945,7 +917,7 @@ cmInstallCommand::HandleDirectoryMode(std::vector<std::string> const& args)
// Switch to setting the current match permissions property.
literal_args += " PERMISSIONS";
doing_permissions_match = true;
doing = DoingPermsMatch;
}
else if(args[i] == "FILE_PERMISSIONS")
{
@ -959,14 +931,7 @@ cmInstallCommand::HandleDirectoryMode(std::vector<std::string> const& args)
}
// Switch to setting the file permissions property.
doing_dirs = false;
doing_destination = false;
doing_pattern = false;
doing_regex = false;
doing_permissions_file = true;
doing_permissions_dir = false;
doing_configurations = false;
doing_component = false;
doing = DoingPermsFile;
}
else if(args[i] == "DIRECTORY_PERMISSIONS")
{
@ -980,14 +945,7 @@ cmInstallCommand::HandleDirectoryMode(std::vector<std::string> const& args)
}
// Switch to setting the directory permissions property.
doing_dirs = false;
doing_destination = false;
doing_pattern = false;
doing_regex = false;
doing_permissions_file = false;
doing_permissions_dir = true;
doing_configurations = false;
doing_component = false;
doing = DoingPermsDir;
}
else if(args[i] == "USE_SOURCE_PERMISSIONS")
{
@ -1001,15 +959,8 @@ cmInstallCommand::HandleDirectoryMode(std::vector<std::string> const& args)
}
// Add this option literally.
doing_dirs = false;
doing_destination = false;
doing_pattern = false;
doing_regex = false;
doing_permissions_file = false;
doing_permissions_dir = false;
doing_configurations = false;
doing_component = false;
literal_args += " USE_SOURCE_PERMISSIONS";
doing = DoingNone;
}
else if(args[i] == "FILES_MATCHING")
{
@ -1023,16 +974,8 @@ cmInstallCommand::HandleDirectoryMode(std::vector<std::string> const& args)
}
// Add this option literally.
doing_dirs = false;
doing_destination = false;
doing_pattern = false;
doing_regex = false;
doing_permissions_file = false;
doing_permissions_dir = false;
doing_permissions_match = false;
doing_configurations = false;
doing_component = false;
literal_args += " FILES_MATCHING";
doing = DoingNone;
}
else if(args[i] == "CONFIGURATIONS")
{
@ -1046,14 +989,7 @@ cmInstallCommand::HandleDirectoryMode(std::vector<std::string> const& args)
}
// Switch to setting the configurations property.
doing_dirs = false;
doing_destination = false;
doing_pattern = false;
doing_regex = false;
doing_permissions_file = false;
doing_permissions_dir = false;
doing_configurations = true;
doing_component = false;
doing = DoingConfigurations;
}
else if(args[i] == "COMPONENT")
{
@ -1067,16 +1003,9 @@ cmInstallCommand::HandleDirectoryMode(std::vector<std::string> const& args)
}
// Switch to setting the component property.
doing_dirs = false;
doing_destination = false;
doing_pattern = false;
doing_regex = false;
doing_permissions_file = false;
doing_permissions_dir = false;
doing_configurations = false;
doing_component = true;
doing = DoingComponent;
}
else if(doing_dirs)
else if(doing == DoingDirs)
{
// Convert this directory to a full path.
std::string dir = args[i];
@ -1101,16 +1030,16 @@ cmInstallCommand::HandleDirectoryMode(std::vector<std::string> const& args)
// Store the directory for installation.
dirs.push_back(dir);
}
else if(doing_configurations)
else if(doing == DoingConfigurations)
{
configurations.push_back(args[i]);
}
else if(doing_destination)
else if(doing == DoingDestination)
{
destination = args[i].c_str();
doing_destination = false;
doing = DoingNone;
}
else if(doing_pattern)
else if(doing == DoingPattern)
{
// Convert the pattern to a regular expression. Require a
// leading slash and trailing end-of-string in the matched
@ -1121,9 +1050,9 @@ cmInstallCommand::HandleDirectoryMode(std::vector<std::string> const& args)
cmSystemTools::ReplaceString(regex, "\\", "\\\\");
literal_args += regex;
literal_args += "$\"";
doing_pattern = false;
doing = DoingNone;
}
else if(doing_regex)
else if(doing == DoingRegex)
{
literal_args += " REGEX \"";
// Match rules are case-insensitive on some platforms.
@ -1135,14 +1064,14 @@ cmInstallCommand::HandleDirectoryMode(std::vector<std::string> const& args)
cmSystemTools::ReplaceString(regex, "\\", "\\\\");
literal_args += regex;
literal_args += "\"";
doing_regex = false;
doing = DoingNone;
}
else if(doing_component)
else if(doing == DoingComponent)
{
component = args[i];
doing_component = false;
doing = DoingNone;
}
else if(doing_permissions_file)
else if(doing == DoingPermsFile)
{
// Check the requested permission.
if(!cmInstallCommandArguments::CheckPermissions(args[i],permissions_file))
@ -1154,7 +1083,7 @@ cmInstallCommand::HandleDirectoryMode(std::vector<std::string> const& args)
return false;
}
}
else if(doing_permissions_dir)
else if(doing == DoingPermsDir)
{
// Check the requested permission.
if(!cmInstallCommandArguments::CheckPermissions(args[i],permissions_dir))
@ -1166,7 +1095,7 @@ cmInstallCommand::HandleDirectoryMode(std::vector<std::string> const& args)
return false;
}
}
else if(doing_permissions_match)
else if(doing == DoingPermsMatch)
{
// Check the requested permission.
if(!cmInstallCommandArguments::CheckPermissions(args[i], literal_args))