Introduce cppjieba as a submodule for Chinese word segmentation

.gitmodules

@@ -39,3 +39,6 @@
 	path = .vscode
 	url = https://github.com/nvaccess/vscode-nvda.git
 	ignore = dirty
+[submodule "include/cppjieba"]
+	path = include/cppjieba
+	url = https://github.com/yanyiwu/cppjieba

copying.txt

@@ -356,6 +356,7 @@ In addition to these dependencies, the following are also included in NVDA:
 - Microsoft Detours: MIT 
 - Python: PSF
 - NSIS: zlib/libpng
+- cppjieba: MIT
 
 Furthermore, NVDA also utilises some static/binary dependencies, details of which can be found at the following URL:
 

include/readme.md

@@ -49,3 +49,9 @@ Used in chrome system tests.
 https://github.com/microsoft/wil/
 
 Fetch latest from master.
+
+### cppjieba
+[cppjieba](https://github.com/yanyiwu/cppjieba)
+
+Fetch latest from master.
+Used for Chinese text segmentation.

nvdaHelper/local/sconscript

@@ -1,7 +1,7 @@
 ###
 # This file is a part of the NVDA project.
 # URL: http://www.nvda-project.org/
-# Copyright 2006-2010 NVDA contributers.
+# Copyright 2006-2025 NVDA contributers.
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License version 2.0, as published by
 # the Free Software Foundation.
@@ -113,8 +113,18 @@ localLib = env.SharedLibrary(
 		"Gdiplus",
 		"Iphlpapi",
 		"Ws2_32",
-		"runtimeobject",
+		"runtimeobject",  
 	],
 )
 
+cppjiebaPath = Dir("#include/cppjieba") # for Chinese word segmentation
+cppjiebaSrcPath = cppjiebaPath.Dir("include/cppjieba")
+LimonpPath = cppjiebaPath.Dir("deps/limonp") # cppjieba's dependency
+LimonpSrcPath = LimonpPath.Dir("include/limonp")
+
+env.Prepend(CPPPATH=[
+	cppjiebaSrcPath,
+	LimonpSrcPath.Dir(".."),
+])
+
 Return("localLib")

projectDocs/dev/createDevEnvironment.md

@@ -99,6 +99,7 @@ If you aren't sure, run `git submodule update` after every git pull, merge or ch
 * [Java Access Bridge 32 bit, from Zulu Community OpenJDK build 17.0.9+8Zulu (17.46.19)](https://github.com/nvaccess/javaAccessBridge32-bin)
 * [Windows Implementation Libraries (WIL)](https://github.com/microsoft/wil/)
 * [NVDA DiffMatchPatch](https://github.com/codeofdusk/nvda_dmp)
+* [cppjieba](https://github.com/yanyiwu/cppjieba), commit '9b40903ed6cbd795367ea64f9a7d3f3bc4aa4714'
 
 #### Build time dependencies
 

user_docs/en/changes.md

@@ -28,6 +28,7 @@ Please refer to [the developer guide](https://download.nvaccess.org/documentatio
 * Updated `include` dependencies:
   * detours to `9764cebcb1a75940e68fa83d6730ffaf0f669401`. (#18447, @LeonarddeR)
 * The `nvda_dmp` utility has been removed. (#18480, @codeofdusk)
+* Added [cppjieba](https://github.com/yanyiwu/cppjieba) as a git submodule for word segmentation. (#18548, @CrazySteve0605)
 
 #### Deprecations