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-rw-r--r--src/fs/io/TextFile.cxx59
1 files changed, 13 insertions, 46 deletions
diff --git a/src/fs/io/TextFile.cxx b/src/fs/io/TextFile.cxx
index b1a92b9cc..396d0f9cd 100644
--- a/src/fs/io/TextFile.cxx
+++ b/src/fs/io/TextFile.cxx
@@ -19,63 +19,30 @@
#include "config.h"
#include "TextFile.hxx"
-#include "util/Alloc.hxx"
+#include "FileReader.hxx"
+#include "BufferedReader.hxx"
#include "fs/Path.hxx"
-#include "fs/FileSystem.hxx"
#include <assert.h>
-#include <string.h>
-#include <stdlib.h>
-TextFile::TextFile(Path path_fs)
- :file(FOpen(path_fs, FOpenMode::ReadText)),
- buffer((char *)xalloc(step)), capacity(step), length(0) {}
+TextFile::TextFile(Path path_fs, Error &error)
+ :file_reader(new FileReader(path_fs, error)),
+ buffered_reader(file_reader->IsDefined()
+ ? new BufferedReader(*file_reader)
+ : nullptr)
+{
+}
TextFile::~TextFile()
{
- free(buffer);
-
- if (file != nullptr)
- fclose(file);
+ delete buffered_reader;
+ delete file_reader;
}
char *
TextFile::ReadLine()
{
- assert(file != nullptr);
-
- while (true) {
- if (length >= capacity) {
- if (capacity >= max_length)
- /* too large already - bail out */
- return nullptr;
-
- capacity <<= 1;
- char *new_buffer = (char *)realloc(buffer, capacity);
- if (new_buffer == nullptr)
- /* out of memory - bail out */
- return nullptr;
- }
-
- char *p = fgets(buffer + length, capacity - length, file);
- if (p == nullptr) {
- if (length == 0 || ferror(file))
- return nullptr;
- break;
- }
-
- length += strlen(buffer + length);
- if (buffer[length - 1] == '\n')
- break;
- }
-
- /* remove the newline characters */
- if (buffer[length - 1] == '\n')
- --length;
- if (buffer[length - 1] == '\r')
- --length;
+ assert(buffered_reader != nullptr);
- buffer[length] = 0;
- length = 0;
- return buffer;
+ return buffered_reader->ReadLine();
}