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fixed open empty file bug

This commit is contained in:
Allen Webster 2016-05-11 16:40:53 -04:00
parent d5b878f135
commit 654ae784e2
5 changed files with 92 additions and 63 deletions
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14
4ed.cpp
View File

@ -4156,22 +4156,22 @@ App_Step_Sig(app_step){
b32 failed = 0;
binding = vars->sys_app_bindings + i;
byte *data;
i32 size, max;
Editing_File *ed_file;
Editing_File_Preload preload_settings;
char *filename;
Working_Set *working_set = &models->working_set;
File_Ready_Result file_result =
exchange_file_ready(exchange, binding->sys_id);
if (exchange_file_ready(exchange, binding->sys_id, &data, &size, &max)){
if (file_result.ready){
ed_file = working_set_get_active_file(working_set, binding->app_id);
Assert(ed_file);
filename = exchange_file_filename(exchange, binding->sys_id);
preload_settings = ed_file->preload;
if (data){
String val = make_string((char*)data, size);
if (file_result.exists){
String val = make_string((char*)file_result.data, file_result.size);
file_create_from_string(system, models, ed_file, filename, val);
if (ed_file->settings.tokens_exist){
@ -4206,6 +4206,10 @@ App_Step_Sig(app_step){
remove = 1;
}
// TODO(allen): Switch to multiple return struct.
byte *data;
i32 size, max;
if (exchange_file_save_complete(exchange, binding->sys_id, &data, &size, &max, &failed)){
Assert(remove == 0);

37
4ed_exchange.cpp
View File

@ -92,28 +92,39 @@ exchange_request_file(Exchange *exchange, char *filename, int len){
return result;
}
internal b32
exchange_file_ready(Exchange *exchange, i32 file_id, byte **data, int *size, int *max){
struct File_Ready_Result{
byte *data;
i32 size;
i32 max;
b32 exists;
b32 ready;
};
internal File_Ready_Result
exchange_file_ready(Exchange *exchange, i32 file_id){
File_Ready_Result result = {0};
File_Exchange *files = &exchange->file;
b32 result = 0;
File_Slot *file = 0;
if (file_id > 0 && file_id <= files->max){
File_Slot *file = files->files + file_id - 1;
file = files->files + file_id - 1;
if (file->flags & FEx_Ready){
*data = file->data;
*size = file->size;
*max = file->max;
result = 1;
result.data = file->data;
result.size = file->size;
result.max = file->max;
result.exists = 1;
result.ready = 1;
}
if (file->flags & FEx_Not_Exist){
*data = 0;
*size = 0;
*max = 0;
result = 1;
result.data = 0;
result.size = 0;
result.max = 0;
result.exists = 0;
result.ready = 1;
}
}
return result;
return(result);
}
internal b32

20
4ed_rendering.cpp
View File

@ -304,7 +304,7 @@ draw_font_info_load(Partition *partition,
if (!translate_success) return 0;
i32 result = 1;
Data file;
File_Data file;
file = system_load_file(filename.str);
Temp_Memory temp = begin_temp_memory(partition);
@ -317,12 +317,12 @@ draw_font_info_load(Partition *partition,
tex_height = pt_size*2*oversample;
void *block = push_block(partition, tex_width * tex_height);
if (!file.data){
if (!file.data.data){
result = 0;
}
else{
stbtt_fontinfo font;
if (!stbtt_InitFont(&font, (u8*)file.data, 0)){
if (!stbtt_InitFont(&font, (u8*)file.data.data, 0)){
result = 0;
}
else{
@ -343,7 +343,7 @@ draw_font_info_load(Partition *partition,
stbtt_pack_context spc;
if (stbtt_PackBegin(&spc, (u8*)block, tex_width, tex_height, tex_width, 1, partition)){
stbtt_PackSetOversampling(&spc, oversample, oversample);
if (stbtt_PackFontRange(&spc, (u8*)file.data, 0,
if (stbtt_PackFontRange(&spc, (u8*)file.data.data, 0,
STBTT_POINT_SIZE((f32)pt_size), 0, 128, chardata)){
// do nothing
}
@ -373,7 +373,7 @@ draw_font_info_load(Partition *partition,
}
}
system_free_memory(file.data);
system_free_memory(file.data.data);
}
end_temp_memory(temp);
@ -395,7 +395,7 @@ draw_font_load(void *base_block, i32 size,
if (!translate_success) return 0;
i32 result = 1;
Data file;
File_Data file;
file = system_load_file(filename.str);
Partition partition_ = partition_open(base_block, size);
@ -409,13 +409,13 @@ draw_font_load(void *base_block, i32 size,
tex_height = pt_size*2*oversample;
void *block = push_block(partition, tex_width * tex_height);
if (!file.data){
if (!file.data.data){
result = 0;
}
else{
stbtt_fontinfo font;
if (!stbtt_InitFont(&font, (u8*)file.data, 0)){
if (!stbtt_InitFont(&font, (u8*)file.data.data, 0)){
result = 0;
}
else{
@ -443,7 +443,7 @@ draw_font_load(void *base_block, i32 size,
if (stbtt_PackBegin(&spc, (u8*)block, tex_width, tex_height, tex_width, 1, partition)){
stbtt_PackSetOversampling(&spc, oversample, oversample);
if (stbtt_PackFontRange(&spc, (u8*)file.data, 0,
if (stbtt_PackFontRange(&spc, (u8*)file.data.data, 0,
STBTT_POINT_SIZE((f32)pt_size), 0, 128, chardata)){
// do nothing
}
@ -492,7 +492,7 @@ draw_font_load(void *base_block, i32 size,
}
}
system_free_memory(file.data);
system_free_memory(file.data.data);
}
return result;

7
system_shared.h
View File

@ -32,10 +32,15 @@ struct Font_Load_System{
i32 max;
};
struct File_Data{
Data data;
b32 got_file;
};
#define Sys_Get_Memory_Sig(name) void* name(i32 size, i32 line_number, char *file_name)
#define Sys_Free_Memory_Sig(name) void name(void *block)
#define Sys_File_Can_Be_Made(name) b32 name(char *filename)
#define Sys_Load_File_Sig(name) Data name(char *filename)
#define Sys_Load_File_Sig(name) File_Data name(char *filename)
#define Sys_Save_File_Sig(name) b32 name(char *filename, char *data, i32 size)
#define Sys_To_Binary_Path(name) b32 name(String *out_filename, char *filename)

39
win32_4ed.cpp
View File

@ -193,6 +193,7 @@ internal void*
Win32GetMemory_(i32 size, i32 line_number, char *file_name){
void *ptr = 0;
if (size > 0){
#if FRED_INTERNAL
ptr = VirtualAlloc(0, size + sizeof(Sys_Bubble), MEM_COMMIT | MEM_RESERVE, PAGE_READWRITE);
@ -208,6 +209,7 @@ Win32GetMemory_(i32 size, i32 line_number, char *file_name){
#else
ptr = VirtualAlloc(0, size, MEM_COMMIT | MEM_RESERVE, PAGE_READWRITE);
#endif
}
return ptr;
}
@ -265,9 +267,9 @@ system_free_memory(void *block){
Win32FreeMemory(block);
}
internal Data
internal File_Data
system_load_file(char *filename){
Data result = {};
File_Data result = {0};
HANDLE file;
String fname_str = make_string_slowly(filename);
@ -293,24 +295,32 @@ system_load_file(char *filename){
return result;
}
result.size = (lo) + (((u64)hi) << 32);
result.data = (byte*)Win32GetMemory(result.size);
result.data.size = (lo) + (((u64)hi) << 32);
if (!result.data){
if (result.data.size > 0){
result.data.data = (byte*)Win32GetMemory(result.data.size);
if (!result.data.data){
CloseHandle(file);
result = {};
result = {0};
return result;
}
DWORD read_size;
BOOL read_result = ReadFile(file, result.data, result.size,
BOOL read_result = ReadFile(file,
result.data.data, result.data.size,
&read_size, 0);
if (!read_result || read_size != (u32)result.size){
result.got_file = 1;
if (!read_result || read_size != (u32)result.data.size){
CloseHandle(file);
Win32FreeMemory(result.data);
result = {};
Win32FreeMemory(result.data.data);
result = {0};
return result;
}
}
else{
result.got_file = 1;
}
CloseHandle(file);
return result;
@ -1654,15 +1664,14 @@ UpdateStep(){
if (file->flags & FEx_Request){
Assert((file->flags & FEx_Save) == 0);
file->flags &= (~FEx_Request);
Data sysfile =
system_load_file(file->filename);
if (sysfile.data == 0){
File_Data sysfile = system_load_file(file->filename);
if (!sysfile.got_file){
file->flags |= FEx_Not_Exist;
}
else{
file->flags |= FEx_Ready;
file->data = sysfile.data;
file->size = sysfile.size;
file->data = sysfile.data.data;
file->size = sysfile.data.size;
}
PostMessage(win32vars.window_handle, WM_4coder_EVENT_COMPLETE, 0, 0);
}