2011-09-02 18:51:20 +02:00
|
|
|
#include "file.hh"
|
2011-09-09 20:40:59 +02:00
|
|
|
|
2011-09-02 18:51:20 +02:00
|
|
|
#include "buffer.hh"
|
2011-09-09 20:40:59 +02:00
|
|
|
#include "buffer_manager.hh"
|
2011-09-09 21:24:18 +02:00
|
|
|
#include "assert.hh"
|
2011-09-02 18:51:20 +02:00
|
|
|
|
|
|
|
#include <sys/types.h>
|
|
|
|
#include <sys/stat.h>
|
|
|
|
#include <fcntl.h>
|
|
|
|
#include <cstring>
|
2011-09-09 21:24:18 +02:00
|
|
|
|
2011-09-02 18:51:20 +02:00
|
|
|
|
|
|
|
namespace Kakoune
|
|
|
|
{
|
|
|
|
|
2012-01-29 23:24:43 +01:00
|
|
|
bool isidentifier(char c)
|
|
|
|
{
|
|
|
|
return std::isalnum(c) or c == '_';
|
|
|
|
}
|
|
|
|
|
2012-04-14 03:17:09 +02:00
|
|
|
String parse_filename(const String& filename)
|
2012-01-29 23:24:43 +01:00
|
|
|
{
|
|
|
|
if (filename.length() > 2 and filename[0] == '~' and filename[1] == '/')
|
|
|
|
return parse_filename("$HOME/" + filename.substr(2));
|
|
|
|
|
|
|
|
size_t pos = 0;
|
2012-04-14 03:17:09 +02:00
|
|
|
String result;
|
2012-01-29 23:24:43 +01:00
|
|
|
for (size_t i = 0; i < filename.length(); ++i)
|
|
|
|
{
|
|
|
|
if (filename[i] == '$' and (i == 0 or filename[i-1] != '\\'))
|
|
|
|
{
|
|
|
|
result += filename.substr(pos, i - pos);
|
|
|
|
size_t end = i+1;
|
|
|
|
while (end != filename.length() and isidentifier(filename[end]))
|
|
|
|
++end;
|
2012-04-14 03:17:09 +02:00
|
|
|
String var_name = filename.substr(i+1, end - i - 1);
|
2012-01-29 23:24:43 +01:00
|
|
|
const char* var_value = getenv(var_name.c_str());
|
|
|
|
if (var_value)
|
|
|
|
result += var_value;
|
|
|
|
|
|
|
|
pos = end;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
if (pos != filename.length())
|
|
|
|
result += filename.substr(pos);
|
|
|
|
|
|
|
|
return result;
|
|
|
|
}
|
|
|
|
|
2012-04-14 03:17:09 +02:00
|
|
|
String read_file(const String& filename)
|
2011-12-22 14:33:29 +01:00
|
|
|
{
|
2011-11-27 13:56:38 +01:00
|
|
|
int fd = open(filename.c_str(), O_RDONLY);
|
2011-09-02 18:51:20 +02:00
|
|
|
if (fd == -1)
|
2011-09-02 20:01:20 +02:00
|
|
|
{
|
|
|
|
if (errno == ENOENT)
|
2011-09-09 20:40:59 +02:00
|
|
|
throw file_not_found(filename);
|
2011-09-02 20:01:20 +02:00
|
|
|
|
2011-09-09 20:40:59 +02:00
|
|
|
throw file_access_error(filename, strerror(errno));
|
2011-09-02 20:01:20 +02:00
|
|
|
}
|
2011-09-02 18:51:20 +02:00
|
|
|
|
2012-04-14 03:17:09 +02:00
|
|
|
String content;
|
2011-09-02 18:51:20 +02:00
|
|
|
char buf[256];
|
|
|
|
while (true)
|
|
|
|
{
|
|
|
|
ssize_t size = read(fd, buf, 256);
|
|
|
|
if (size == -1 or size == 0)
|
|
|
|
break;
|
|
|
|
|
2012-04-14 03:17:09 +02:00
|
|
|
content += String(buf, buf + size);
|
2011-09-02 18:51:20 +02:00
|
|
|
}
|
|
|
|
close(fd);
|
2011-11-27 13:56:38 +01:00
|
|
|
return content;
|
|
|
|
}
|
|
|
|
|
2012-04-14 03:17:09 +02:00
|
|
|
Buffer* create_buffer_from_file(const String& filename)
|
2011-11-27 13:56:38 +01:00
|
|
|
{
|
2012-04-14 03:17:09 +02:00
|
|
|
String content = read_file(filename);
|
2011-09-09 20:40:59 +02:00
|
|
|
|
|
|
|
if (Buffer* buffer = BufferManager::instance().get_buffer(filename))
|
2012-03-26 16:21:49 +02:00
|
|
|
delete buffer;
|
2011-09-09 20:40:59 +02:00
|
|
|
|
2011-10-07 16:15:55 +02:00
|
|
|
return new Buffer(filename, Buffer::Type::File, content);
|
2011-09-02 18:51:20 +02:00
|
|
|
}
|
|
|
|
|
2012-04-14 03:17:09 +02:00
|
|
|
void write_buffer_to_file(const Buffer& buffer, const String& filename)
|
2011-09-02 18:51:20 +02:00
|
|
|
{
|
2011-10-03 20:40:12 +02:00
|
|
|
int fd = open(filename.c_str(), O_CREAT | O_WRONLY | O_TRUNC, 0644);
|
2011-09-02 18:51:20 +02:00
|
|
|
if (fd == -1)
|
2011-09-09 20:40:59 +02:00
|
|
|
throw file_access_error(filename, strerror(errno));
|
2011-09-02 18:51:20 +02:00
|
|
|
|
2012-03-30 13:37:18 +02:00
|
|
|
for (size_t i = 0; i < buffer.line_count(); ++i)
|
2011-09-02 18:51:20 +02:00
|
|
|
{
|
2012-03-30 13:37:18 +02:00
|
|
|
const String& content = buffer.line_content(i);
|
2012-04-14 03:23:20 +02:00
|
|
|
memoryview<char> data = content.data();
|
|
|
|
const char* ptr = data.pointer();
|
|
|
|
ssize_t count = data.size();
|
2012-03-30 13:37:18 +02:00
|
|
|
|
|
|
|
while (count)
|
|
|
|
{
|
|
|
|
ssize_t written = write(fd, ptr, count);
|
|
|
|
ptr += written;
|
|
|
|
count -= written;
|
2011-09-02 18:51:20 +02:00
|
|
|
|
2012-03-30 13:37:18 +02:00
|
|
|
if (written == -1)
|
|
|
|
throw file_access_error(filename, strerror(errno));
|
|
|
|
}
|
2011-09-02 18:51:20 +02:00
|
|
|
}
|
|
|
|
close(fd);
|
|
|
|
}
|
|
|
|
|
|
|
|
}
|