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#include "slang-implicit-directory-collector.h"
#include "slang-io.h"
namespace Slang
{
// !!!!!!!!!!!!!!!!!!!!!!!!!!!!!! ImplicitDirectoryCollector !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
ImplicitDirectoryCollector::ImplicitDirectoryCollector(
const String& canonicalPath,
bool directoryExists)
: m_directoryExists(directoryExists)
{
if (!isRootPath(canonicalPath.getUnownedSlice()))
{
StringBuilder buffer;
buffer << canonicalPath;
buffer.append('/');
m_prefix = buffer.produceString();
}
}
/* static */ bool ImplicitDirectoryCollector::isRootPath(const UnownedStringSlice& path)
{
const auto length = path.getLength();
if (length == 0)
{
return true;
}
else if (length == 1)
{
const auto c = path[0];
return c == '.' || Path::isDelimiter(c);
}
return false;
}
void ImplicitDirectoryCollector::addRemainingPath(
SlangPathType pathType,
const UnownedStringSlice& inPathRemainder)
{
// If it's zero length we probably don't want to add it
if (inPathRemainder.getLength() == 0)
{
// It's empty so don't add normal way - implies the directory exists
m_directoryExists = true;
return;
}
UnownedStringSlice pathRemainder(inPathRemainder);
const Index slashIndex = pathRemainder.indexOf('/');
// If we have a following / that means it's an implicit directory.
if (slashIndex >= 0)
{
pathType = SLANG_PATH_TYPE_DIRECTORY;
pathRemainder =
UnownedStringSlice(pathRemainder.begin(), pathRemainder.begin() + slashIndex);
}
const Index countIndex = m_map.findOrAdd(pathRemainder, pathType);
SLANG_UNUSED(countIndex);
// Make sure they are the same type
SLANG_ASSERT(SlangPathType(m_map.getValueAt(countIndex)) == pathType);
}
void ImplicitDirectoryCollector::addPath(
SlangPathType pathType,
const UnownedStringSlice& canonicalPath)
{
if (canonicalPath != toSlice(".") && hasPrefix(canonicalPath))
{
UnownedStringSlice remainder = getRemainder(canonicalPath);
addRemainingPath(pathType, remainder);
}
}
SlangResult ImplicitDirectoryCollector::enumerate(
FileSystemContentsCallBack callback,
void* userData)
{
const Int count = m_map.getCount();
for (Index i = 0; i < count; ++i)
{
const auto& pair = m_map.getAt(i);
UnownedStringSlice path = pair.key;
SlangPathType pathType = SlangPathType(pair.value);
// Note *is* 0 terminated in the pool
// Let's check tho
SLANG_ASSERT(path.begin()[path.getLength()] == 0);
callback(pathType, path.begin(), userData);
}
return getDirectoryExists() ? SLANG_OK : SLANG_E_NOT_FOUND;
}
} // namespace Slang
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