4coder/4coder_helper.cpp

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/*
* Miscellaneous helpers for common operations.
*/
// TOP
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static String
string_push(Arena *arena, i32 size){
String result = {};
if (size != 0){
result.str = push_array(arena, char, size);
if (result.str != 0){
result.memory_size = size;
}
}
return(result);
}
static String
string_push_copy(Arena *arena, String str){
String result = {};
if (str.str != 0){
result.str = push_array(arena, char, str.size + 1);
if (result.str != 0){
result.memory_size = str.size + 1;
copy(&result, str);
result.str[result.size] = 0;
}
}
return(result);
}
static String
string_push_fv(Arena *arena, char *format, va_list args){
char temp[KB(4)];
i32 n = vsnprintf(temp, sizeof(temp), format, args);
String result = {};
if (0 <= n && n < sizeof(temp)){
result = string_push_copy(arena, make_string(temp, n));
}
return(result);
}
static String
string_push_fv(Partition *part, char *format, va_list args){
char temp[KB(4)];
i32 n = vsnprintf(temp, sizeof(temp), format, args);
String result = {};
if (0 <= n && n < sizeof(temp)){
result = string_push_copy(part, make_string(temp, n));
}
return(result);
}
static String
string_push_f(Arena *arena, char *format, ...){
va_list args;
va_start(args, format);
String result = string_push_fv(arena, format, args);
va_end(args);
return(result);
}
static String
string_push_f(Partition *part, char *format, ...){
va_list args;
va_start(args, format);
String result = string_push_fv(part, format, args);
va_end(args);
return(result);
}
////////////////////////////////
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static Binding_Unit*
write_unit(Bind_Helper *helper, Binding_Unit unit){
Binding_Unit *p = 0;
helper->write_total += sizeof(*p);
if (helper->error == 0 && helper->cursor != helper->end){
p = helper->cursor++;
*p = unit;
}
return p;
}
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static Bind_Helper
begin_bind_helper(void *data, i32 size){
Bind_Helper result = {};
result.cursor = (Binding_Unit*)data;
result.start = result.cursor;
result.end = result.start + size / sizeof(*result.cursor);
Binding_Unit unit = {};
unit.type = unit_header;
unit.header.total_size = sizeof(*result.header);
result.header = write_unit(&result, unit);
result.header->header.user_map_count = 0;
return(result);
}
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static void
begin_map(Bind_Helper *helper, i32 mapid, b32 replace){
if (helper->group != 0 && helper->error == 0){
helper->error = BH_ERR_MISSING_END;
}
if (!helper->error && mapid < mapid_global){
++helper->header->header.user_map_count;
}
Binding_Unit unit;
unit.type = unit_map_begin;
unit.map_begin.mapid = mapid;
unit.map_begin.replace = replace;
helper->group = write_unit(helper, unit);
helper->group->map_begin.bind_count = 0;
}
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static void
begin_map(Bind_Helper *helper, i32 mapid){
begin_map(helper, mapid, false);
}
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static void
restart_map(Bind_Helper *helper, i32 mapid){
begin_map(helper, mapid, true);
}
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static void
end_map(Bind_Helper *helper){
if (helper->group == 0 && helper->error == 0){
helper->error = BH_ERR_MISSING_BEGIN;
}
helper->group = 0;
}
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static void
bind(Bind_Helper *helper, Key_Code code, uint8_t modifiers, Custom_Command_Function *func){
if (helper->group == 0 && helper->error == 0){
helper->error = BH_ERR_MISSING_BEGIN;
}
if (!helper->error){
++helper->group->map_begin.bind_count;
}
Binding_Unit unit;
unit.type = unit_callback;
unit.callback.func = func;
unit.callback.code = code;
unit.callback.modifiers = modifiers;
write_unit(helper, unit);
}
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static void
bind(Bind_Helper *helper, Key_Code code, uint8_t modifiers, Generic_Command cmd){
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bind(helper, code, modifiers, cmd.command);
}
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static void
bind_vanilla_keys(Bind_Helper *helper, Custom_Command_Function *func){
bind(helper, 0, 0, func);
}
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static void
bind_vanilla_keys(Bind_Helper *helper, unsigned char modifiers, Custom_Command_Function *func){
bind(helper, 0, modifiers, func);
}
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static void
inherit_map(Bind_Helper *helper, i32 mapid){
if (helper->group == 0 && helper->error == 0) helper->error = BH_ERR_MISSING_BEGIN;
if (!helper->error && mapid < mapid_global) ++helper->header->header.user_map_count;
Binding_Unit unit = {};
unit.type = unit_inherit;
unit.map_inherit.mapid = mapid;
write_unit(helper, unit);
}
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static void
set_hook(Bind_Helper *helper, i32 hook_id, Hook_Function *func){
Binding_Unit unit = {};
unit.type = unit_hook;
unit.hook.hook_id = hook_id;
unit.hook.func = (void*)func;
write_unit(helper, unit);
}
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static void
set_scroll_rule(Bind_Helper *helper, Scroll_Rule_Function *func){
Binding_Unit unit = {};
unit.type = unit_hook;
unit.hook.hook_id = special_hook_scroll_rule;
unit.hook.func = (void*)func;
write_unit(helper, unit);
}
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static void
set_buffer_name_resolver(Bind_Helper *helper, Buffer_Name_Resolver_Function *func){
Binding_Unit unit = {};
unit.type = unit_hook;
unit.hook.hook_id = special_hook_buffer_name_resolver;
unit.hook.func = (void*)func;
write_unit(helper, unit);
}
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static void
set_modify_color_table_hook(Bind_Helper *helper, Modify_Color_Table_Function *func){
Binding_Unit unit = {};
unit.type = unit_hook;
unit.hook.hook_id = special_hook_modify_color_table;
unit.hook.func = (void*)func;
write_unit(helper, unit);
}
static void
set_clipboard_change_hook(Bind_Helper *helper, Clipboard_Change_Hook_Function *func){
Binding_Unit unit = {};
unit.type = unit_hook;
unit.hook.hook_id = special_hook_clipboard_change;
unit.hook.func = (void*)func;
write_unit(helper, unit);
}
static void
set_get_view_buffer_region_hook(Bind_Helper *helper, Get_View_Buffer_Region_Function *func){
Binding_Unit unit = {};
unit.type = unit_hook;
unit.hook.hook_id = special_hook_get_view_buffer_region;
unit.hook.func = (void*)func;
write_unit(helper, unit);
}
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static void
set_new_file_hook(Bind_Helper *helper, Open_File_Hook_Function *func){
Binding_Unit unit = {};
unit.type = unit_hook;
unit.hook.hook_id = special_hook_new_file;
unit.hook.func = (void*)func;
write_unit(helper, unit);
}
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static void
set_start_hook(Bind_Helper *helper, Start_Hook_Function *func){
Binding_Unit unit = {};
unit.type = unit_hook;
unit.hook.hook_id = special_hook_start;
unit.hook.func = (void*)func;
write_unit(helper, unit);
}
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static void
set_open_file_hook(Bind_Helper *helper, Open_File_Hook_Function *func){
Binding_Unit unit = {};
unit.type = unit_hook;
unit.hook.hook_id = special_hook_open_file;
unit.hook.func = (void*)func;
write_unit(helper, unit);
}
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static void
set_save_file_hook(Bind_Helper *helper, Open_File_Hook_Function *func){
Binding_Unit unit = {};
unit.type = unit_hook;
unit.hook.hook_id = special_hook_save_file;
unit.hook.func = (void*)func;
write_unit(helper, unit);
}
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static void
set_end_file_hook(Bind_Helper *helper, Open_File_Hook_Function *func){
Binding_Unit unit = {};
unit.type = unit_hook;
unit.hook.hook_id = special_hook_end_file;
unit.hook.func = (void*)func;
write_unit(helper, unit);
}
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static void
set_file_edit_range_hook(Bind_Helper *helper, File_Edit_Range_Function *func){
Binding_Unit unit = {};
unit.type = unit_hook;
unit.hook.hook_id = special_hook_file_edit_range;
unit.hook.func = (void*)func;
write_unit(helper, unit);
}
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static void
set_file_edit_finished_hook(Bind_Helper *helper, File_Edit_Finished_Function *func){
Binding_Unit unit = {};
unit.type = unit_hook;
unit.hook.hook_id = special_hook_file_edit_finished;
unit.hook.func = (void*)func;
write_unit(helper, unit);
}
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static void
set_command_caller(Bind_Helper *helper, Command_Caller_Hook_Function *func){
Binding_Unit unit = {};
unit.type = unit_hook;
unit.hook.hook_id = special_hook_command_caller;
unit.hook.func = (void*)func;
write_unit(helper, unit);
}
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static void
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set_render_caller(Bind_Helper *helper, Render_Caller_Function *func){
Binding_Unit unit = {};
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unit.type = unit_hook;
unit.hook.hook_id = special_hook_render_caller;
unit.hook.func = (void*)func;
write_unit(helper, unit);
}
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static void
set_input_filter(Bind_Helper *helper, Input_Filter_Function *func){
Binding_Unit unit = {};
unit.type = unit_hook;
unit.hook.hook_id = special_hook_input_filter;
unit.hook.func = (void*)func;
write_unit(helper, unit);
}
static i32
end_bind_helper(Bind_Helper *helper){
if (helper->header){
helper->header->header.total_size = (i32)(helper->cursor - helper->start);
helper->header->header.error = helper->error;
}
i32 result = helper->write_total;
return(result);
}
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static Bind_Buffer
end_bind_helper_get_buffer(Bind_Helper *helper){
i32 size = end_bind_helper(helper);
Bind_Buffer result = {};
result.data = helper->start;
result.size = size;
return(result);
}
static u32_4tech
get_key_code(char *buffer){
u32_4tech ignore;
u32_4tech result = utf8_to_u32_length_unchecked((u8_4tech*)buffer, &ignore);
return(result);
}
////////////////////////////////
static i32
round_down(i32 x, i32 b){
i32 r = 0;
if (x >= 0){
r = x - (x % b);
}
return(r);
}
static i32
round_up(i32 x, i32 b){
i32 r = 0;
if (x >= 0){
r = x + b - (x % b);
}
return(r);
}
static void
exec_command(Application_Links *app, Custom_Command_Function *func){
func(app);
}
static void
exec_command(Application_Links *app, Generic_Command cmd){
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exec_command(app, cmd.command);
}
static i32
key_is_unmodified(Key_Event_Data *key){
int8_t *mods = key->modifiers;
i32 unmodified = (!mods[MDFR_CONTROL_INDEX] && !mods[MDFR_ALT_INDEX]);
return(unmodified);
}
static u32
to_writable_character(User_Input in, uint8_t *character){
u32 result = 0;
if (in.key.character != 0){
u32_to_utf8_unchecked(in.key.character, character, &result);
}
return(result);
}
static u32
to_writable_character(Key_Event_Data key, uint8_t *character){
u32 result = 0;
if (key.character != 0){
u32_to_utf8_unchecked(key.character, character, &result);
}
return(result);
}
static b32
backspace_utf8(String *str){
b32 result = false;
uint8_t *s = (uint8_t*)str->str;
if (str->size > 0){
u32 i = str->size-1;
for (; i > 0; --i){
if (s[i] <= 0x7F || s[i] >= 0xC0){
break;
}
}
str->size = i;
result = true;
}
return(result);
}
static b32
query_user_general(Application_Links *app, Query_Bar *bar, b32 force_number){
// NOTE(allen|a3.4.4): It will not cause an *error* if we continue on after failing to.
// start a query bar, but it will be unusual behavior from the point of view of the
// user, if this command starts intercepting input even though no prompt is shown.
// This will only happen if you have a lot of bars open already or if the current view
// doesn't support query bars.
if (start_query_bar(app, bar, 0) == 0){
return(false);
}
b32 success = true;
for (;;){
// NOTE(allen|a3.4.4): This call will block until the user does one of the input
// types specified in the flags. The first set of flags are inputs you'd like to intercept
// that you don't want to abort on. The second set are inputs that you'd like to cause
// the command to abort. If an event satisfies both flags, it is treated as an abort.
User_Input in = get_user_input(app, EventOnAnyKey, EventOnEsc|EventOnMouseLeftButton|EventOnMouseRightButton);
// NOTE(allen|a3.4.4): The responsible thing to do on abort is to end the command
// without waiting on get_user_input again.
if (in.abort){
success = false;
break;
}
uint8_t character[4];
u32 length = 0;
b32 good_character = false;
if (key_is_unmodified(&in.key)){
if (force_number){
if (in.key.character >= '0' && in.key.character <= '9'){
good_character = true;
length = to_writable_character(in, character);
}
}
else{
length = to_writable_character(in, character);
if (length != 0){
good_character = true;
}
}
}
// NOTE(allen|a3.4.4): All we have to do to update the query bar is edit our
// local Query_Bar struct! This is handy because it means our Query_Bar
// is always correct for typical use without extra work updating the bar.
if (in.key.keycode == '\n' || in.key.keycode == '\t'){
break;
}
else if (in.key.keycode == key_back){
backspace_utf8(&bar->string);
}
else if (good_character){
append(&bar->string, make_string(character, length));
}
}
terminate_with_null(&bar->string);
return(success);
}
static b32
query_user_string(Application_Links *app, Query_Bar *bar){
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return(query_user_general(app, bar, false));
}
static b32
query_user_number(Application_Links *app, Query_Bar *bar){
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return(query_user_general(app, bar, true));
}
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static i32
buffer_replace_range_compute_shift(i32 start, i32 end, i32 len){
return(len - (end - start));
}
static char
buffer_get_char(Application_Links *app, Buffer_ID buffer_id, i32 pos){
i32 buffer_size = 0;
buffer_get_size(app, buffer_id, &buffer_size);
char result = ' ';
if (pos < buffer_size){
buffer_read_range(app, buffer_id, pos, pos + 1, &result);
}
return(result);
}
static Buffer_Identifier
buffer_identifier(char *str, i32 len){
Buffer_Identifier identifier;
identifier.name = str;
identifier.name_len = len;
identifier.id = 0;
return(identifier);
}
static Buffer_Identifier
buffer_identifier(Buffer_ID id){
Buffer_Identifier identifier;
identifier.name = 0;
identifier.name_len = 0;
identifier.id = id;
return(identifier);
}
static void
adjust_all_buffer_wrap_widths(Application_Links *app, i32 wrap_width, i32 min_base_width){
Buffer_ID buffer = 0;
for (get_buffer_next(app, 0, AccessAll, &buffer);
buffer != 0;
get_buffer_next(app, buffer, AccessAll, &buffer)){
buffer_set_setting(app, buffer, BufferSetting_WrapPosition, wrap_width);
buffer_set_setting(app, buffer, BufferSetting_MinimumBaseWrapPosition, min_base_width);
}
}
static Buffer_Rect
get_rect(View_Summary *view){
Buffer_Rect rect = {};
rect.char0 = view->mark.character;
rect.line0 = view->mark.line;
rect.char1 = view->cursor.character;
rect.line1 = view->cursor.line;
if (rect.line0 > rect.line1){
Swap(i32, rect.line0, rect.line1);
}
if (rect.char0 > rect.char1){
Swap(i32, rect.char0, rect.char1);
}
return(rect);
}
static i32_Rect
get_line_x_rect(View_Summary *view){
i32_Rect rect = {};
if (view->unwrapped_lines){
rect.x0 = (i32)view->mark.unwrapped_x;
rect.x1 = (i32)view->cursor.unwrapped_x;
}
else{
rect.x0 = (i32)view->mark.wrapped_x;
rect.x1 = (i32)view->cursor.wrapped_x;
}
rect.y0 = view->mark.line;
rect.y1 = view->cursor.line;
if (rect.y0 > rect.y1){
Swap(i32, rect.y0, rect.y1);
}
if (rect.x0 > rect.x1){
Swap(i32, rect.x0, rect.x1);
}
return(rect);
}
static View_Summary
get_first_view_with_buffer(Application_Links *app, i32 buffer_id){
View_Summary result = {};
View_Summary test = {};
if (buffer_id != 0){
for (test = get_view_first(app, AccessAll);
test.exists;
get_view_next(app, &test, AccessAll)){
if (test.buffer_id == buffer_id){
result = test;
break;
}
}
}
return(result);
}
static b32
open_file(Application_Links *app, Buffer_ID *buffer_out, char *filename, i32 filename_len, b32 background, b32 never_new){
b32 result = false;
Buffer_ID buffer = 0;
get_buffer_by_name(app, filename, filename_len, AccessProtected);
b32 exists = buffer_exists(app, buffer);
if (!exists){
Buffer_Create_Flag flags = 0;
if (background){
flags |= BufferCreate_Background;
}
if (never_new){
flags |= BufferCreate_NeverNew;
}
create_buffer(app, make_string(filename, filename_len), flags, &buffer);
exists = buffer_exists(app, buffer);
}
if (exists){
if (buffer_out != 0){
*buffer_out = buffer;
}
result = true;
}
return(result);
}
static Buffer_ID
buffer_identifier_to_id(Application_Links *app, Buffer_Identifier identifier){
Buffer_ID id = 0;
if (identifier.id != 0){
id = identifier.id;
}
else{
String name = make_string(identifier.name, identifier.name_len);
get_buffer_by_name(app, name, AccessAll, &id);
if (id == 0){
get_buffer_by_file_name(app, name, AccessAll, &id);
}
}
return(id);
}
static b32
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view_open_file(Application_Links *app, View_Summary *view, char *filename, i32 filename_len, b32 never_new){
b32 result = false;
if (view != 0){
Buffer_ID buffer = {};
if (open_file(app, &buffer, filename, filename_len, false, never_new)){
view_set_buffer(app, view, buffer, 0);
result = true;
}
}
return(result);
}
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////////////////////////////////
// TODO(allen): replace this with get_view_prev(app, 0, access, view_id_out);
static b32
get_view_last(Application_Links *app, Access_Flag access, View_ID *view_id_out){
return(get_view_prev(app, 0, access, view_id_out));
}
static View_ID
get_next_view_looped_all_panels(Application_Links *app, View_ID view_id, Access_Flag access){
if (!get_view_next(app, view_id, access, &view_id)){
if (!get_view_next(app, 0, access, &view_id)){
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view_id = 0;
}
}
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return(view_id);
}
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static View_ID
get_prev_view_looped_all_panels(Application_Links *app, View_ID view_id, Access_Flag access){
if (!get_view_prev(app, view_id, access, &view_id)){
if (!get_view_prev(app, 0, access, &view_id)){
view_id = 0;
}
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}
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return(view_id);
}
////
static void
get_view_prev(Application_Links *app, View_Summary *view, Access_Flag access){
View_ID new_id = 0;
get_view_prev(app, view->view_id, access, &new_id);
get_view_summary(app, new_id, access, view);
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}
static View_Summary
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get_view_last(Application_Links *app, Access_Flag access){
View_Summary view = {};
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View_ID new_id = 0;
if (get_view_last(app, access, &new_id)){
get_view_summary(app, new_id, access, &view);
}
return(view);
}
static void
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get_next_view_looped_all_panels(Application_Links *app, View_Summary *view, Access_Flag access){
View_ID new_id = get_next_view_looped_all_panels(app, view->view_id, access);
get_view_summary(app, new_id, access, view);
}
static void
get_prev_view_looped_all_panels(Application_Links *app, View_Summary *view, u32 access){
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View_ID new_id = get_prev_view_looped_all_panels(app, view->view_id, access);
get_view_summary(app, new_id, access, view);
}
////////////////////////////////
static Buffer_Kill_Result
kill_buffer(Application_Links *app, Buffer_Identifier identifier, View_ID gui_view_id, Buffer_Kill_Flag flags){
Buffer_Kill_Result result = kill_buffer(app, identifier, flags);
if (result == BufferKillResult_Dirty){
Buffer_ID buffer = buffer_identifier_to_id(app, identifier);
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View_Summary view = get_view(app, gui_view_id, AccessAll);
do_gui_sure_to_kill(app, buffer, &view);
}
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return(result);
}
static void
refresh_view(Application_Links *app, View_Summary *view){
*view = get_view(app, view->view_id, AccessAll);
}
// TODO(allen): Setup buffer seeking to do character_pos and get View_Summary out of this parameter list.
static i32
character_pos_to_pos(Application_Links *app, View_Summary *view, i32 character_pos){
i32 result = 0;
Full_Cursor cursor = {};
if (view_compute_cursor(app, view, seek_character_pos(character_pos), &cursor)){
result = cursor.pos;
}
return(result);
}
static float
get_view_y(View_Summary *view){
float y = view->cursor.wrapped_y;
if (view->unwrapped_lines){
y = view->cursor.unwrapped_y;
}
return(y);
}
static float
get_view_x(View_Summary *view){
float x = view->cursor.wrapped_x;
if (view->unwrapped_lines){
x = view->cursor.unwrapped_x;
}
return(x);
}
static Range
get_view_range(View_Summary *view){
return(make_range(view->cursor.pos, view->mark.pos));
}
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static String
buffer_read_string(Application_Links *app, Buffer_ID buffer, Range range, void *dest) {
String result = {};
if (dest != 0 && buffer_read_range(app, buffer, range.start, range.end, (char *)dest)){
result = make_string((char *)dest, get_width(range));
}
return(result);
}
static b32
read_line(Application_Links *app, Partition *part, Buffer_ID buffer_id, i32 line, String *str,
Partial_Cursor *start_out, Partial_Cursor *one_past_last_out){
Partial_Cursor begin = {};
Partial_Cursor end = {};
b32 success = false;
if (buffer_compute_cursor(app, buffer_id, seek_line_char(line, 1), &begin) &&
buffer_compute_cursor(app, buffer_id, seek_line_char(line, -1), &end) &&
begin.line == line){
i32 buffer_size = 0;
buffer_get_size(app, buffer_id, &buffer_size);
if (0 <= begin.pos && begin.pos <= end.pos && end.pos <= buffer_size){
i32 size = (end.pos - begin.pos);
i32 alloc_size = size + 1;
char *memory = push_array(part, char, alloc_size);
if (memory != 0){
*str = make_string(memory, 0, alloc_size);
buffer_read_range(app, buffer_id, begin.pos, end.pos, str->str);
str->size = size;
terminate_with_null(str);
*start_out = begin;
*one_past_last_out = end;
success = true;
}
}
}
return(success);
}
static b32
read_line(Application_Links *app, Partition *part, Buffer_ID buffer_id, i32 line, String *str){
Partial_Cursor ignore = {};
return(read_line(app, part, buffer_id, line, str, &ignore, &ignore));
}
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static String
scratch_read(Application_Links *app, Partition *scratch, Buffer_ID buffer, i32 start, i32 end){
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String result = {};
if (start <= end){
i32 len = end - start;
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result = string_push(scratch, len);
if (buffer_read_range(app, buffer, start, end, result.str)){
result.size = len;
}
}
return(result);
}
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static String
scratch_read(Application_Links *app, Partition *scratch, Buffer_ID buffer, Range range){
return(scratch_read(app, scratch, buffer, range.first, range.one_past_last));
}
static String
scratch_read(Application_Links *app, Arena *scratch, Buffer_ID buffer, i32 start, i32 end){
String result = {};
if (start <= end){
i32 len = end - start;
result = string_push(scratch, len);
if (buffer_read_range(app, buffer, start, end, result.str)){
result.size = len;
}
}
return(result);
}
static String
scratch_read(Application_Links *app, Arena *scratch, Buffer_ID buffer, Range range){
return(scratch_read(app, scratch, buffer, range.first, range.one_past_last));
}
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static String
scratch_read(Application_Links *app, Partition *scratch, Buffer_ID buffer, Cpp_Token token){
String result = scratch_read(app, scratch, buffer, token.start, token.start + token.size);
return(result);
}
static b32
token_match(Application_Links *app, Buffer_ID buffer, Cpp_Token token, String b){
Arena *scratch = context_get_arena(app);
Temp_Memory_Arena temp = begin_temp_memory(scratch);
String a = scratch_read(app, scratch, buffer, make_range(token.start, token.start + token.size));
b32 result = match(a, b);
end_temp_memory(temp);
return(result);
}
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static String
read_entire_buffer(Application_Links *app, Buffer_ID buffer_id, Arena *scratch){
i32 size = 0;
buffer_get_size(app, buffer_id, &size);
return(scratch_read(app, scratch, buffer_id, 0, size));
}
static i32
buffer_get_line_number(Application_Links *app, Buffer_ID buffer, i32 pos){
Partial_Cursor partial_cursor = {};
buffer_compute_cursor(app, buffer, seek_pos(pos), &partial_cursor);
return(partial_cursor.line);
}
static i32
view_get_line_number(Application_Links *app, View_ID view, i32 pos){
Full_Cursor cursor = {};
view_compute_cursor(app, view, seek_pos(pos), &cursor);
return(cursor.line);
}
static i32
buffer_get_line_start(Application_Links *app, Buffer_ID buffer_id, i32 line){
i32 result = 0;
buffer_get_size(app, buffer_id, &result);
i32 line_count = 0;
buffer_get_line_count(app, buffer_id, &line_count);
if (line <= line_count){
Partial_Cursor partial_cursor = {};
buffer_compute_cursor(app, buffer_id, seek_line_char(line, 1), &partial_cursor);
result = partial_cursor.pos;
}
return(result);
}
static i32
buffer_get_line_end(Application_Links *app, Buffer_ID buffer_id, i32 line){
i32 result = 0;
buffer_get_size(app, buffer_id, &result);
i32 line_count = 0;
buffer_get_line_count(app, buffer_id, &line_count);
if (line <= line_count){
Partial_Cursor partial_cursor = {};
buffer_compute_cursor(app, buffer_id, seek_line_char(line, -1), &partial_cursor);
result = partial_cursor.pos;
}
return(result);
}
static Cpp_Token*
get_first_token_at_line(Application_Links *app, Buffer_ID buffer_id, Cpp_Token_Array tokens, i32 line, i32 *line_start_out = 0){
i32 line_start = buffer_get_line_start(app, buffer_id, line);
Cpp_Get_Token_Result get_token = cpp_get_token(tokens, line_start);
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if (get_token.in_whitespace_after_token){
get_token.token_index += 1;
}
if (line_start_out){
*line_start_out = line_start;
}
Cpp_Token *result = 0;
if (get_token.token_index < tokens.count){
result = &tokens.tokens[get_token.token_index];
}
return(result);
}
////////////////////////////////
static void
clear_buffer(Application_Links *app, Buffer_ID buffer_id){
i32 buffer_size = 0;
buffer_get_size(app, buffer_id, &buffer_size);
buffer_replace_range(app, buffer_id, 0, buffer_size, make_lit_string(""));
}
////////////////////////////////
static b32
init_stream_chunk(Stream_Chunk *chunk, Application_Links *app, Buffer_ID buffer_id,
i32 pos, char *data, u32 size){
b32 result = false;
i32 buffer_size = 0;
buffer_get_size(app, buffer_id, &buffer_size);
if (0 <= pos && pos < buffer_size && size > 0){
chunk->app = app;
chunk->buffer_id = buffer_id;
chunk->base_data = data;
chunk->data_size = size;
chunk->start = round_down(pos, size);
chunk->end = round_up(pos, size);
if (chunk->max_end > buffer_size || chunk->max_end == 0){
chunk->max_end = buffer_size;
}
if (chunk->max_end && chunk->max_end < chunk->end){
chunk->end = chunk->max_end;
}
if (chunk->min_start && chunk->min_start > chunk->start){
chunk->start = chunk->min_start;
}
if (chunk->start < chunk->end){
buffer_read_range(app, buffer_id, chunk->start, chunk->end, chunk->base_data);
chunk->data = chunk->base_data - chunk->start;
result = true;
}
}
return(result);
}
static b32
forward_stream_chunk(Stream_Chunk *chunk){
Application_Links *app = chunk->app;
Buffer_ID buffer_id = chunk->buffer_id;
b32 result = 0;
i32 buffer_size = 0;
buffer_get_size(app, buffer_id, &buffer_size);
if (chunk->end < buffer_size){
chunk->start = chunk->end;
chunk->end += chunk->data_size;
if (chunk->max_end && chunk->max_end < chunk->end){
chunk->end = chunk->max_end;
}
if (chunk->min_start && chunk->min_start > chunk->start){
chunk->start = chunk->min_start;
}
if (chunk->start < chunk->end){
buffer_read_range(app, buffer_id, chunk->start, chunk->end, chunk->base_data);
chunk->data = chunk->base_data - chunk->start;
result = 1;
}
}
else if (chunk->add_null && chunk->end + 1 < buffer_size){
chunk->start = buffer_size;
chunk->end = buffer_size + 1;
chunk->base_data[0] = 0;
chunk->data = chunk->base_data - chunk->start;
result = 1;
}
return(result);
}
static b32
backward_stream_chunk(Stream_Chunk *chunk){
Application_Links *app = chunk->app;
Buffer_ID buffer_id = chunk->buffer_id;
b32 result = false;
if (chunk->start > 0){
chunk->end = chunk->start;
chunk->start -= chunk->data_size;
if (chunk->max_end && chunk->max_end < chunk->end){
chunk->end = chunk->max_end;
}
if (chunk->min_start && chunk->min_start > chunk->start){
chunk->start = chunk->min_start;
}
if (chunk->start < chunk->end){
buffer_read_range(app, buffer_id, chunk->start, chunk->end, chunk->base_data);
chunk->data = chunk->base_data - chunk->start;
result = true;
}
}
else if (chunk->add_null && chunk->start > -1){
chunk->start = -1;
chunk->end = 0;
chunk->base_data[0] = 0;
chunk->data = chunk->base_data - chunk->start;
result = true;
}
return(result);
}
////////////////////////////////
static b32
init_stream_tokens(Stream_Tokens_DEP *stream, Application_Links *app, Buffer_ID buffer_id, i32 pos, Cpp_Token *data, i32 count){
b32 result = false;
i32 token_count = 0;
buffer_token_count(app, buffer_id, &token_count);
if (buffer_tokens_are_ready(app, buffer_id) && pos >= 0 && pos < token_count && count > 0){
stream->app = app;
stream->buffer_id = buffer_id;
stream->base_tokens = data;
stream->count = count;
stream->start = round_down(pos, count);
stream->end = round_up(pos, count);
stream->token_count = token_count;
if (stream->start < 0){
stream->start = 0;
}
if (stream->end > stream->token_count){
stream->end = stream->token_count;
}
buffer_read_tokens(app, buffer_id, stream->start, stream->end, stream->base_tokens);
stream->tokens = stream->base_tokens - stream->start;
result = true;
}
return(result);
}
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static Stream_Tokens_DEP
begin_temp_stream_token(Stream_Tokens_DEP *stream){
return(*stream);
}
static void
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end_temp_stream_token(Stream_Tokens_DEP *stream, Stream_Tokens_DEP temp){
if (stream->start != temp.start || stream->end != temp.end){
Application_Links *app = stream->app;
buffer_read_tokens(app, temp.buffer_id, temp.start, temp.end, temp.base_tokens);
stream->tokens = stream->base_tokens - temp.start;
stream->start = temp.start;
stream->end = temp.end;
}
}
static b32
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forward_stream_tokens(Stream_Tokens_DEP *stream){
Application_Links *app = stream->app;
Buffer_ID buffer_id = stream->buffer_id;
b32 result = false;
if (stream->end < stream->token_count){
stream->start = stream->end;
stream->end += stream->count;
if (stream->end > stream->token_count){
stream->end = stream->token_count;
}
if (stream->start < stream->end){
buffer_read_tokens(app, buffer_id, stream->start, stream->end, stream->base_tokens);
stream->tokens = stream->base_tokens - stream->start;
result = true;
}
}
return(result);
}
static b32
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backward_stream_tokens(Stream_Tokens_DEP *stream){
Application_Links *app = stream->app;
Buffer_ID buffer_id = stream->buffer_id;
b32 result = false;
if (stream->start > 0){
stream->end = stream->start;
stream->start -= stream->count;
if (0 > stream->start){
stream->start = 0;
}
if (stream->start < stream->end){
buffer_read_tokens(app, buffer_id, stream->start, stream->end, stream->base_tokens);
stream->tokens = stream->base_tokens - stream->start;
result = true;
}
}
return(result);
}
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////////////////////////////////
static Token_Range
buffer_get_token_range(Application_Links *app, Buffer_ID buffer){
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Token_Range range = {};
buffer_get_token_range(app, buffer, &range.first, &range.one_past_last);
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return(range);
}
static Token_Iterator
make_token_iterator(Token_Range range, Cpp_Token *token){
Token_Iterator iterator = {};
if (range.first != 0 && range.one_past_last != 0){
if (token == 0 || token < range.first){
token = range.first;
}
if (token > range.one_past_last){
token = range.one_past_last;
}
iterator.token = token;
iterator.range = range;
}
return(iterator);
}
static Token_Iterator
make_token_iterator(Token_Range range, i32 index){
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return(make_token_iterator(range, range.first + index));
}
static void
token_iterator_set(Token_Iterator *iterator, Cpp_Token *token){
*iterator = make_token_iterator(iterator->range, token);
}
static Cpp_Token*
token_range_check(Token_Range range, Cpp_Token *token){
if (token < range.first || range.one_past_last <= token){
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token = 0;
}
return(token);
}
static Cpp_Token*
token_iterator_current(Token_Iterator *iterator){
return(token_range_check(iterator->range, iterator->token));
}
static i32
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token_iterator_current_index(Token_Iterator *iterator){
i32 index = -1;
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Cpp_Token *token = token_iterator_current(iterator);
if (token != 0 && iterator->range.first <= token && token <= iterator->range.one_past_last){
index = (i32)(token - iterator->range.first);
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}
return(index);
}
static Cpp_Token*
token_iterator_goto_next(Token_Iterator *iterator){
Cpp_Token *token = iterator->token;
Cpp_Token *one_past_last = iterator->range.one_past_last;
for (token += 1; token < one_past_last; token += 1){
if (token->type != CPP_TOKEN_COMMENT){
break;
}
}
Cpp_Token *result = token_range_check(iterator->range, token);
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*iterator = make_token_iterator(iterator->range, token);
return(result);
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}
static Cpp_Token*
token_iterator_goto_next_raw(Token_Iterator *iterator){
Cpp_Token *result = token_range_check(iterator->range, iterator->token + 1);
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*iterator = make_token_iterator(iterator->range, iterator->token + 1);
return(result);
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}
static Cpp_Token*
token_iterator_goto_prev(Token_Iterator *iterator){
Cpp_Token *token = iterator->token;
Cpp_Token *first = iterator->range.first;
for (token -= 1; token >= first; token -= 1){
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if (token->type != CPP_TOKEN_COMMENT){
break;
}
}
Cpp_Token *result = token_range_check(iterator->range, token);
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*iterator = make_token_iterator(iterator->range, token);
return(result);
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}
static Cpp_Token*
token_iterator_goto_prev_raw(Token_Iterator *iterator){
Cpp_Token *result = token_range_check(iterator->range, iterator->token - 1);
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*iterator = make_token_iterator(iterator->range, iterator->token - 1);
return(result);
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}
static String
token_get_lexeme(Application_Links *app, Buffer_ID buffer, Cpp_Token *token, char *out_buffer, i32 out_buffer_size){
String result = {};
if (out_buffer_size > 1){
i32 read_size = token->size;
if (read_size >= out_buffer_size){
read_size = out_buffer_size - 1;
}
if (buffer_read_range(app, buffer, token->start, token->start + read_size, out_buffer)){
result = make_string(out_buffer, read_size, out_buffer_size);
out_buffer[read_size] = 0;
}
}
return(result);
}
static String
token_get_lexeme(Application_Links *app, Partition *part, Buffer_ID buffer, Cpp_Token *token){
String result = {};
Temp_Memory restore_point = begin_temp_memory(part);
char *s = push_array(part, char, token->size);
if (s != 0){
result = token_get_lexeme(app, buffer, token, s, token->size);
}
else{
end_temp_memory(restore_point);
}
return(result);
}
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////////////////////////////////
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static String
get_query_string(Application_Links *app, char *query_str, char *string_space, i32 space_size){
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Query_Bar bar;
bar.prompt = make_string_slowly(query_str);
bar.string = make_string_cap(string_space, 0, space_size);
if (!query_user_string(app, &bar)){
bar.string.size = 0;
}
return(bar.string);
}
static String
get_string_in_view_range(Application_Links *app, Partition *arena, View_Summary *view){
String str = {};
Buffer_ID buffer = 0;
view_get_buffer(app, view->view_id, AccessProtected, &buffer);
if (buffer_exists(app, buffer)){
Range range = get_view_range(view);
i32 query_length = range.max - range.min;
if (query_length != 0){
char *query_space = push_array(arena, char, query_length);
if (buffer_read_range(app, buffer, range.min, range.max, query_space)){
str = make_string(query_space, query_length);
}
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}
}
return(str);
}
static String
get_token_or_word_under_pos(Application_Links *app, Buffer_ID buffer, i32 pos, char *space, i32 capacity){
String result = {};
Cpp_Get_Token_Result get_result = {};
b32 success = buffer_get_token_index(app, buffer, pos, &get_result);
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if (success && !get_result.in_whitespace_after_token){
i32 size = get_result.token_one_past_last - get_result.token_start;
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if (size > 0 && size <= capacity){
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success = buffer_read_range(app, buffer, get_result.token_start, get_result.token_one_past_last, space);
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if (success){
result = make_string(space, size);
}
}
}
return(result);
}
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static void
append_int_to_str_left_pad(String *str, i32 x, i32 minimum_width, char pad_char){
i32 length = int_to_str_size(x);
i32 left_over = minimum_width - length;
if (left_over > 0){
append_padding(str, pad_char, str->size + left_over);
}
append_int_to_str(str, x);
}
static b32
lexer_keywords_default_init(Partition *arena, Cpp_Keyword_Table *kw_out, Cpp_Keyword_Table *pp_out){
b32 success = false;
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umem_4tech kw_size = cpp_get_table_memory_size_default(CPP_TABLE_KEYWORDS);
umem_4tech pp_size = cpp_get_table_memory_size_default(CPP_TABLE_PREPROCESSOR_DIRECTIVES);
void *kw_mem = push_array(arena, char, (i32_4tech)kw_size);
void *pp_mem = push_array(arena, char, (i32_4tech)pp_size);
if (kw_mem != 0 && pp_mem != 0){
*kw_out = cpp_make_table_default(CPP_TABLE_KEYWORDS, kw_mem, kw_size);
*pp_out = cpp_make_table_default(CPP_TABLE_PREPROCESSOR_DIRECTIVES, pp_mem, pp_size);
success = true;
}
return(success);
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}
////////////////////////////////
static String
get_hot_directory(Application_Links *app, Partition *part){
Temp_Memory temp = begin_temp_memory(part);
i32 space_cap = part_remaining(part);
char *space = push_array(part, char, space_cap);
String hot_dir = make_string_cap(space, 0, space_cap);
hot_dir.size = directory_get_hot(app, hot_dir.str, hot_dir.memory_size);
end_temp_memory(temp);
push_array(part, char, hot_dir.size);
hot_dir.memory_size = hot_dir.size;
return(hot_dir);
}
static String
get_hot_directory(Application_Links *app, Arena *arena){
i32 space_required = directory_get_hot(app, 0, 0);
char *space = push_array(arena, char, space_required);
String hot_dir = make_string_cap(space, 0, space_required);
hot_dir.size = directory_get_hot(app, hot_dir.str, hot_dir.memory_size);
return(hot_dir);
}
////////////////////////////////
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static String
dump_file_handle(Partition *arena, FILE *file){
String str = {};
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if (file != 0){
fseek(file, 0, SEEK_END);
i32 size = ftell(file);
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char *mem = push_array(arena, char, size + 1);
push_align(arena, 8);
if (mem != 0){
fseek(file, 0, SEEK_SET);
fread(mem, 1, size, file);
mem[size] = 0;
str = make_string_cap(mem, size, size + 1);
}
}
return(str);
}
static File_Handle_Path
open_file_search_up_path(Partition *arena, String path, String file_name){
File_Handle_Path result = {};
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i32 cap = path.size + file_name.size + 2;
char *space = push_array(arena, char, cap);
push_align(arena, 8);
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String name_str = make_string_cap(space, 0, cap);
append(&name_str, path);
if (name_str.size == 0 || !char_is_slash(name_str.str[name_str.size - 1])){
append(&name_str, "/");
}
for (;;){
i32 base_size = name_str.size;
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append(&name_str, file_name);
terminate_with_null(&name_str);
result.file = fopen(name_str.str, "rb");
if (result.file != 0){
result.path = name_str;
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break;
}
name_str.size = base_size;
remove_last_folder(&name_str);
if (name_str.size >= base_size){
break;
}
}
return(result);
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}
static FILE*
open_file_try_current_path_then_binary_path(Application_Links *app, char *file_name){
FILE *file = fopen(file_name, "rb");
if (file == 0){
char space[256];
i32 size = get_4ed_path(app, space, sizeof(space));
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String str = make_string_cap(space, size, sizeof(space));
append(&str, "/");
append(&str, file_name);
if (terminate_with_null(&str)){
file = fopen(str.str, "rb");
}
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}
return(file);
}
static char*
get_null_terminated(Partition *scratch, String name){
char *name_terminated = 0;
if (name.size < name.memory_size){
terminate_with_null(&name);
name_terminated = name.str;
}
else{
name_terminated = push_array(scratch, char, name.size + 1);
if (name_terminated != 0){
memcpy(name_terminated, name.str, name.size);
name_terminated[name.size] = 0;
}
}
return(name_terminated);
}
static FILE*
open_file(Partition *scratch, String name){
FILE *file = 0;
Temp_Memory temp = begin_temp_memory(scratch);
char *name_terminated = get_null_terminated(scratch, name);
if (name_terminated != 0){
file = fopen(name_terminated, "rb");
}
end_temp_memory(temp);
return(file);
}
static File_Name_Data
dump_file(Partition *arena, String file_name){
File_Name_Data result = {};
FILE *file = open_file(arena, file_name);
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if (file != 0){
result.file_name = file_name;
result.data = dump_file_handle(arena, file);
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fclose(file);
}
return(result);
}
static File_Name_Path_Data
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dump_file_search_up_path(Partition *arena, String path, String file_name){
File_Name_Path_Data result = {};
File_Handle_Path file = open_file_search_up_path(arena, path, file_name);
if (file.file != 0){
result.file_name = file_name;
result.path = file.path;
result.data = dump_file_handle(arena, file.file);
fclose(file.file);
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}
return(result);
}
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static void
sort_pairs_by_key__quick(Sort_Pair_i32 *pairs, i32 first, i32 one_past_last){
i32 dif = one_past_last - first;
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if (dif >= 2){
i32 pivot = one_past_last - 1;
Sort_Pair_i32 pivot_pair = pairs[pivot];
i32 j = first;
b32 interleave = false;
for (i32 i = first; i < pivot; i += 1){
Sort_Pair_i32 pair = pairs[i];
if (pair.key < pivot_pair.key){
pairs[i] = pairs[j];
pairs[j] = pair;
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j += 1;
}
else if (pair.key == pivot_pair.key){
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if (interleave){
pairs[i] = pairs[j];
pairs[j] = pair;
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j += 1;
}
interleave = !interleave;
}
}
pairs[pivot] = pairs[j];
pairs[j] = pivot_pair;
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sort_pairs_by_key__quick(pairs, first, j);
sort_pairs_by_key__quick(pairs, j + 1, one_past_last);
}
}
static void
sort_pairs_by_key(Sort_Pair_i32 *pairs, i32 count){
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sort_pairs_by_key__quick(pairs, 0, count);
}
static Range_Array
get_ranges_of_duplicate_keys(Partition *arena, i32 *keys, i32 stride, i32 count){
Range_Array result = {};
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result.ranges = push_array(arena, Range, 0);
uint8_t *ptr = (uint8_t*)keys;
i32 start_i = 0;
for (i32 i = 1; i <= count; i += 1){
b32 is_end = false;
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if (i == count){
is_end = true;
}
else if (*(i32*)(ptr + i*stride) != *(i32*)(ptr + start_i*stride)){
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is_end = true;
}
if (is_end){
Range *new_range = push_array(arena, Range, 1);
new_range->first = start_i;
new_range->one_past_last = i;
start_i = i;
}
}
result.count = (i32)(push_array(arena, Range, 0) - result.ranges);
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return(result);
}
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static void
no_mark_snap_to_cursor(Application_Links *app, Managed_Scope view_scope){
managed_variable_set(app, view_scope, view_snap_mark_to_cursor, false);
}
static void
no_mark_snap_to_cursor(Application_Links *app, View_ID view_id){
Managed_Scope scope = view_get_managed_scope(app, view_id);
no_mark_snap_to_cursor(app, scope);
}
static void
no_mark_snap_to_cursor_if_shift(Application_Links *app, View_ID view_id){
User_Input in = get_command_input(app);
if (in.key.modifiers[MDFR_SHIFT_INDEX]){
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no_mark_snap_to_cursor(app, view_id);
}
}
static b32
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view_has_highlighted_range(Application_Links *app, View_ID view_id){
if (fcoder_mode == FCoderMode_NotepadLike){
View_Summary view = get_view(app, view_id, AccessAll);
return(view.cursor.pos != view.mark.pos);
}
return(false);
}
static b32
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if_view_has_highlighted_range_delete_range(Application_Links *app, View_ID view_id){
b32 result = false;
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if (view_has_highlighted_range(app, view_id)){
View_Summary view = get_view(app, view_id, AccessAll);
Range range = get_view_range(&view);
Buffer_ID buffer = 0;
view_get_buffer(app, view.view_id, AccessOpen, &buffer);
buffer_replace_range(app, buffer, range.min, range.max, make_lit_string(""));
result = true;
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}
return(result);
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}
static void
begin_notepad_mode(Application_Links *app){
fcoder_mode = FCoderMode_NotepadLike;
for (View_Summary view = get_view_first(app, AccessAll);
view.exists;
get_view_next(app, &view, AccessAll)){
view_set_mark(app, &view, seek_pos(view.cursor.pos));
}
}
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////////////////////////////////
static b32
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view_set_split_proportion(Application_Links *app, View_Summary *view, float t){
return(view_set_split(app, view, ViewSplitKind_Ratio, t));
}
static b32
view_set_split_pixel_size(Application_Links *app, View_Summary *view, i32 t){
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return(view_set_split(app, view, ViewSplitKind_FixedPixels, (float)t));
}
////////////////////////////////
static Record_Info
get_single_record(Application_Links *app, Buffer_ID buffer_id, History_Record_Index index){
Record_Info record = {};
buffer_history_get_record_info(app, buffer_id, index, &record);
if (record.error == RecordError_NoError && record.kind == RecordKind_Group){
buffer_history_get_group_sub_record(app, buffer_id, index, record.group.count, &record);
}
return(record);
}
////////////////////////////////
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static void
condense_whitespace(String *a)
{
*a = skip_chop_whitespace(*a);
int size = a->size;
a->size = 0;
int i = 0;
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for (;i < size;){
if (char_is_whitespace(a->str[i])){
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a->str[a->size++] = ' ';
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for (;(i < size) && char_is_whitespace(a->str[i]);){
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++i;
}
}
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else{
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a->str[a->size++] = a->str[i++];
}
}
}
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////////////////////////////////
static Vec2
draw_string(Application_Links *app, Face_ID font_id, String string, Vec2 p, int_color color){
return(draw_string(app, font_id, string, p, color, 0, V2(1.f, 0.f)));
}
static void
draw_margin(Application_Links *app, f32_Rect outer, f32_Rect inner, int_color color){
draw_rectangle(app, f32R(outer.x0, outer.y0, outer.x1, inner.y0), color);
draw_rectangle(app, f32R(outer.x0, inner.y1, outer.x1, outer.y1), color);
draw_rectangle(app, f32R(outer.x0, inner.y0, inner.x0, inner.y1), color);
draw_rectangle(app, f32R(inner.x1, inner.y0, outer.x1, inner.y1), color);
}
////////////////////////////////
static f32_Rect_Pair
split_rect(f32_Rect rect, View_Split_Kind kind, Coordinate coord, Side from_side, f32 t){
f32_Rect_Pair result = {};
if (kind == ViewSplitKind_FixedPixels){
result.E[0] = rect;
result.E[1] = rect;
if (coord == Coordinate_X){
result.E[0].x1 = (from_side == Side_Max) ? (rect.x1 - t) : (rect.x0 + t);
result.E[1].x0 = result.E[0].x1;
}
else{
Assert(coord == Coordinate_Y);
result.E[0].y1 = (from_side == Side_Max) ? (rect.y1 - t) : (rect.y0 + t);
result.E[1].y0 = result.E[0].y1;
}
}
else{
Assert(kind == ViewSplitKind_Ratio);
f32 pixel_count;
if (coord == Coordinate_X){
pixel_count = t*(rect.x1 - rect.x0);
}
else{
Assert(coord == Coordinate_Y);
pixel_count = t*(rect.y1 - rect.y0);
}
result = split_rect(rect, ViewSplitKind_FixedPixels, coord, from_side, pixel_count);
}
return(result);
}
////////////////////////////////
static String
buffer_push_base_buffer_name(Application_Links *app, Buffer_ID buffer, Arena *arena){
String result = {};
buffer_get_base_buffer_name(app, buffer, 0, &result.memory_size);
result.str = push_array(arena, char, result.memory_size);
buffer_get_base_buffer_name(app, buffer, &result, 0);
return(result);
}
static String
buffer_push_unique_buffer_name(Application_Links *app, Buffer_ID buffer, Arena *arena){
String result = {};
buffer_get_unique_buffer_name(app, buffer, 0, &result.memory_size);
result.str = push_array(arena, char, result.memory_size);
buffer_get_unique_buffer_name(app, buffer, &result, 0);
return(result);
}
static String
buffer_push_file_name(Application_Links *app, Buffer_ID buffer, Arena *arena){
String result = {};
buffer_get_file_name(app, buffer, 0, &result.memory_size);
result.str = push_array(arena, char, result.memory_size);
buffer_get_file_name(app, buffer, &result, 0);
return(result);
}
static String
buffer_limited_base_buffer_name(Application_Links *app, Buffer_ID buffer, char *memory, i32 max){
String result = {};
result.str = memory;
result.memory_size = max;
buffer_get_base_buffer_name(app, buffer, &result, 0);
return(result);
}
static String
buffer_limited_unique_buffer_name(Application_Links *app, Buffer_ID buffer, char *memory, i32 max){
String result = {};
result.str = memory;
result.memory_size = max;
buffer_get_unique_buffer_name(app, buffer, &result, 0);
return(result);
}
static String
buffer_limited_file_name(Application_Links *app, Buffer_ID buffer, char *memory, i32 max){
String result = {};
result.str = memory;
result.memory_size = max;
buffer_get_file_name(app, buffer, &result, 0);
return(result);
}
////////////////////////////////
static b32
buffer_has_name_with_star(Application_Links *app, Buffer_ID buffer){
char first = 0;
String str = buffer_limited_unique_buffer_name(app, buffer, &first, 1);
return(str.size == 0 || first == '*');
}
////////////////////////////////
static float
get_dpi_scaling_value(Application_Links *app)
{
// TODO(casey): Allen, this should return the multiplier for the display relative to whatever 4coder
// gets tuned to.
float result = 2.0f;
return(result);
}
// BOTTOM