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Add hb_buffer_add_hxstring

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To properly handle encoding conversions, we need to do it in native
code. This new function performs this role.

This is useful for hxcpp which may have either ascii or utf16 encoding,
but this can only be checked via the native api and it is not possible
on the haxe side.
This commit is contained in:
Tobiasz Laskowski
2025-03-10 02:10:43 +00:00
parent 9f9a5b9f31
commit ca770337cb
3 changed files with 39 additions and 0 deletions
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8
src/lime/_internal/backend/native/NativeCFFI.hx
View File

@@ -5694,6 +5694,8 @@ class NativeCFFI
@:cffi private static function lime_hb_buffer_add(buffer:CFFIPointer, codepoint:Int, cluster:Int):Void;
@:cffi private static function lime_hb_buffer_add_hxstring(buffer:CFFIPointer, text:String, itemOffset:Int, itemLength:Int):Void;
@:cffi private static function lime_hb_buffer_add_codepoints(buffer:CFFIPointer, text:DataPointer, textLength:Int, itemOffset:Int, itemLength:Int):Void;
@:cffi private static function lime_hb_buffer_add_utf8(buffer:CFFIPointer, text:String, itemOffset:Int, itemLength:Int):Void;
@@ -5910,6 +5912,8 @@ class NativeCFFI
false));
private static var lime_hb_buffer_add = new cpp.Callable<cpp.Object->Int->Int->cpp.Void>(cpp.Prime._loadPrime("lime", "lime_hb_buffer_add", "oiiv",
false));
private static var lime_hb_buffer_add_hxstring = new cpp.Callable<cpp.Object->String->Int->Int->cpp.Void>(cpp.Prime._loadPrime("lime",
"lime_hb_buffer_add_hxstring", "osiiv", false));
private static var lime_hb_buffer_add_codepoints = new cpp.Callable<cpp.Object->lime.utils.DataPointer->Int->Int->Int->
cpp.Void>(cpp.Prime._loadPrime("lime", "lime_hb_buffer_add_codepoints", "odiiiv", false));
private static var lime_hb_buffer_add_utf8 = new cpp.Callable<cpp.Object->String->Int->Int->cpp.Void>(cpp.Prime._loadPrime("lime",
@@ -6090,6 +6094,7 @@ class NativeCFFI
private static var lime_hb_blob_is_immutable:Dynamic->Bool = CFFI.load("lime", "lime_hb_blob_is_immutable", 1);
private static var lime_hb_blob_make_immutable:Dynamic->Void = CFFI.load("lime", "lime_hb_blob_make_immutable", 1);
private static var lime_hb_buffer_add:Dynamic->Int->Int->Void = CFFI.load("lime", "lime_hb_buffer_add", 3);
private static var lime_hb_buffer_add_hxstring:Dynamic->String->Int->Int->Void = CFFI.load("lime", "lime_hb_buffer_add_hxstring", 4);
private static var lime_hb_buffer_add_codepoints:Dynamic->lime.utils.DataPointer->Int->Int->Int->Void = CFFI.load("lime", "lime_hb_buffer_add_codepoints",
5);
private static var lime_hb_buffer_add_utf8:Dynamic->String->Int->Int->Void = CFFI.load("lime", "lime_hb_buffer_add_utf8", 4);
@@ -6240,6 +6245,9 @@ class NativeCFFI
@:hlNative("lime", "hl_hb_buffer_add") private static function lime_hb_buffer_add(buffer:CFFIPointer, codepoint:Int, cluster:Int):Void {}
@:hlNative("lime", "hl_hb_buffer_add_hxstring") private static function lime_hb_buffer_add_hxstring(buffer:CFFIPointer, text:String, itemOffset:Int,
itemLength:Int):Void {}
@:hlNative("lime", "hl_hb_buffer_add_codepoints") private static function lime_hb_buffer_add_codepoints(buffer:CFFIPointer, text:DataPointer,
textLength:Int, itemOffset:Int, itemLength:Int):Void {}

7
src/lime/text/harfbuzz/HBBuffer.hx
View File

@@ -36,6 +36,13 @@ abstract HBBuffer(CFFIPointer) from CFFIPointer to CFFIPointer
#end
}
public function addString(text:String, itemOffset:Int, itemLength:Int):Void
{
#if (lime_cffi && lime_harfbuzz && !macro)
NativeCFFI.lime_hb_buffer_add_hxstring(this, text, itemOffset, itemLength);
#end
}
public function addCodepoints(text:DataPointer, textLength:Int, itemOffset:Int, itemLength:Int):Void
{
#if (lime_cffi && lime_harfbuzz && !macro)