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better exception handling in edit and write_buffer

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This commit is contained in:
Maxime Coste 2011-09-02 18:02:29 +00:00
parent 11d82b11b3
commit 19123186d7
1 changed files with 70 additions and 64 deletions
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134
src/main.cc
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@ -82,70 +82,6 @@ void deinit_ncurses()
endwin();
}
void do_insert(Window& window)
{
std::string inserted;
LineAndColumn pos = window.cursor_position();
while(true)
{
char c = getch();
if (c == 27)
break;
window.insert(std::string() + c);
draw_window(window);
}
}
std::shared_ptr<Window> current_window;
void edit(const std::string& filename)
{
try
{
Buffer* buffer = create_buffer_from_file(filename);
if (buffer)
current_window = std::make_shared<Window>(std::shared_ptr<Buffer>(buffer));
}
catch (open_file_error& what)
{
assert(false);
}
}
void write_buffer(const std::string& filename)
{
try
{
write_buffer_to_file(*current_window->buffer(), filename);
}
catch(open_file_error& what)
{
assert(false);
}
catch(write_file_error& what)
{
assert(false);
}
}
bool quit_requested = false;
void quit(const std::string&)
{
quit_requested = true;
}
std::unordered_map<std::string, std::function<void (const std::string& param)>> cmdmap =
{
{ "e", edit },
{ "edit", edit },
{ "q", quit },
{ "quit", quit },
{ "w", write_buffer },
{ "write", write_buffer },
};
struct prompt_aborted {};
std::string prompt(const std::string& text)
@ -194,6 +130,76 @@ void print_status(const std::string& status)
addstr(status.c_str());
}
void do_insert(Window& window)
{
std::string inserted;
LineAndColumn pos = window.cursor_position();
while(true)
{
char c = getch();
if (c == 27)
break;
window.insert(std::string() + c);
draw_window(window);
}
}
std::shared_ptr<Window> current_window;
void edit(const std::string& filename)
{
try
{
std::shared_ptr<Buffer> buffer(create_buffer_from_file(filename));
if (buffer)
current_window = std::make_shared<Window>(buffer);
}
catch (file_not_found& what)
{
current_window = std::make_shared<Window>(std::make_shared<Buffer>(filename));
}
catch (open_file_error& what)
{
print_status("error opening '" + filename + "' (" + what.what() + ")");
}
}
void write_buffer(const std::string& filename)
{
try
{
Buffer& buffer = *current_window->buffer();
write_buffer_to_file(buffer,
filename.empty() ? buffer.name() : filename);
}
catch(open_file_error& what)
{
print_status("error opening " + filename + "(" + what.what() + ")");
}
catch(write_file_error& what)
{
print_status("error writing " + filename + "(" + what.what() + ")");
}
}
bool quit_requested = false;
void quit(const std::string&)
{
quit_requested = true;
}
std::unordered_map<std::string, std::function<void (const std::string& param)>> cmdmap =
{
{ "e", edit },
{ "edit", edit },
{ "q", quit },
{ "quit", quit },
{ "w", write_buffer },
{ "write", write_buffer },
};
void do_command()
{
try