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feat(ui): add FrameScript_Sprintf implementation

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This commit is contained in:
VDm 2025-03-28 02:40:17 +04:00
parent 465b3844de
commit f039d4f88c
3 changed files with 180 additions and 1 deletions
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12
src/ui/CSimpleFontStringScript.cpp
View File

@ -132,7 +132,17 @@ int32_t CSimpleFontString_SetText(lua_State* L) {
}
int32_t CSimpleFontString_SetFormattedText(lua_State* L) {
WHOA_UNIMPLEMENTED(0);
auto type = CSimpleFontString::GetObjectType();
auto string = static_cast<CSimpleFontString*>(FrameScript_GetObjectThis(L, type));
if (!string->m_font) {
luaL_error(L, "%s:SetFormattedText(): Font not set", string->GetDisplayName());
}
char buffer[4096] = {};
char* text = FrameScript_Sprintf(L, 2, buffer, sizeof(buffer));
string->SetText(text, 1);
return 0;
}
int32_t CSimpleFontString_GetTextColor(lua_State* L) {

167
src/ui/FrameScript.cpp
View File

@ -455,6 +455,173 @@ lua_State* FrameScript_GetContext(void) {
return FrameScript::s_context;
}
char* FrameScript_Sprintf(lua_State* L, int32_t idx, char* buffer, uint32_t size) {
size_t formatLength = 0;
const char* format = luaL_checklstring(L, idx, &formatLength);
const char* formatEnd = format + formatLength;
char* result = buffer;
if (format >= formatEnd) {
*buffer = '\0';
return result;
}
int32_t currentIndex = idx;
while (size > 1) {
char character = *format++;
if (character == '%') {
char argument = *format;
if (argument == '%') {
*buffer++ = '%';
++format;
--size;
} else {
char subformat[128] = {};
subformat[0] = '%';
if (argument >= '0' && argument <= '9' && format[1] == '$') {
currentIndex = argument + idx - '1';
format += 2;
}
++currentIndex;
const char* subformatStart = format;
while (true) {
char flag = *format;
if (flag != '-' && flag != '+' && flag != ' ' && flag != '#' && flag != '0') {
break;
}
++format;
}
for (char ch = *format; ch >= '0'; ch = *++format) {
if (ch > '9') {
break;
}
}
if (*format == '.') {
++format;
}
if (*format == '-') {
++format;
}
for (char ch = *format; ch >= '0'; ch = *++format) {
if (ch > '9') {
break;
}
}
size_t subformatSize = format - subformatStart;
if (subformatSize > 125) {
luaL_error(L, "invalid format (width or precision too long)");
}
char specifier = *format++;
memcpy(&subformat[1], subformatStart, subformatSize + 1);
subformat[subformatSize + 2] = '\0'; // Warning: possibility of buffer overrun
switch (specifier) {
case 'E':
case 'G':
case 'e':
case 'f':
case 'g': {
double number = luaL_checknumber(L, currentIndex);
size_t length = SStrPrintf(buffer, size, subformat, number);
if (length > 0) {
buffer += length;
size -= length;
}
break;
}
case 'F': {
for (auto s = subformat; *s; ++s) {
if (*s == 'F') {
*s = 'f';
}
}
double number = luaL_checknumber(L, currentIndex);
size_t length = SStrPrintf(buffer, size, subformat, number);
if (length > 0) {
// TODO: lua_convertdecimal(buffer)
buffer += length;
size -= length;
}
break;
}
case 'X':
case 'o':
case 'u':
case 'x': {
auto number = static_cast<uint64_t>(luaL_checknumber(L, currentIndex));
size_t length = SStrPrintf(buffer, size, subformat, number);
if (length > 0) {
buffer += length;
size -= length;
}
break;
}
case 'c': {
auto number = static_cast<int32_t>(luaL_checknumber(L, currentIndex));
*buffer++ = static_cast<char>(number);
--size;
break;
}
case 'd':
case 'i': {
auto number = static_cast<int32_t>(luaL_checknumber(L, currentIndex));
size_t length = SStrPrintf(buffer, size, subformat, number);
if (length > 0) {
// TODO: lua_convertdecimal(buffer)
buffer += length;
size -= length;
}
break;
}
case 's': {
size_t stringLength = 0;
auto string = luaL_checklstring(L, currentIndex, &stringLength);
size_t length = SStrPrintf(buffer, size, subformat, string);
if (length > 0) {
buffer += length;
size -= length;
}
break;
}
default: {
luaL_error(L, "invalid option in `format'");
}
}
}
} else {
*buffer++ = character;
--size;
}
if (format >= formatEnd) {
break;
}
}
*buffer = '\0';
return result;
}
const char* FrameScript_GetCurrentObject(lua_State* L, int32_t a2) {
lua_Debug info;

2
src/ui/FrameScript.hpp
View File

@ -80,6 +80,8 @@ void FrameScript_GetColor(lua_State* L, int32_t idx, CImVector& color);
lua_State* FrameScript_GetContext();
char* FrameScript_Sprintf(lua_State * L, int32_t idx, char* buffer, uint32_t size);
const char* FrameScript_GetCurrentObject(lua_State* L, int32_t a2);
char const* FrameScript_GetText(const char* a1, int32_t count, FRAMESCRIPT_GENDER gender);