Add nuget package for Windows x86 (#683)

@@ -50,11 +50,30 @@ jobs:
           cmake -DBUILD_SHARED_LIBS=ON -DCMAKE_INSTALL_PREFIX=./install -DCMAKE_BUILD_TYPE=Release ..
           cmake --build . --target install --config Release
 
+      - name: Build sherpa-onnx for windows x86
+        if: matrix.os == 'windows-latest'
+        shell: bash
+        run: |
+          export CMAKE_CXX_COMPILER_LAUNCHER=ccache
+          export PATH="/usr/lib/ccache:/usr/local/opt/ccache/libexec:$PATH"
+          cmake --version
+
+          mkdir build-win32
+          cd build-win32
+          cmake -A Win32 -DBUILD_SHARED_LIBS=ON -DCMAKE_INSTALL_PREFIX=./install -DCMAKE_BUILD_TYPE=Release ..
+          cmake --build . --target install --config Release
+
       - uses: actions/upload-artifact@v4
         with:
           name: ${{ matrix.os }}
           path: ./build/install/lib/
 
+      - uses: actions/upload-artifact@v4
+        if: matrix.os == 'windows-latest'
+        with:
+          name: ${{ matrix.os }}-win32
+          path: ./build-win32/install/lib/
+
   test-dot-net:
     runs-on: ${{ matrix.os }}
     needs: [build-libs]
@@ -95,7 +114,13 @@ jobs:
         uses: actions/download-artifact@v4
         with:
           name: windows-latest
-          path: /tmp/windows
+          path: /tmp/windows-x64
+
+      - name: Retrieve artifact from windows-latest
+        uses: actions/download-artifact@v4
+        with:
+          name: windows-latest-win32
+          path: /tmp/windows-x86
 
       - name: Setup .NET
         uses: actions/setup-dotnet@v3
@@ -119,8 +144,11 @@ jobs:
           echo "----------/tmp/macos----------"
           ls -lh /tmp/macos
 
-          echo "----------/tmp/windows----------"
-          ls -lh /tmp/windows
+          echo "----------/tmp/windows-x64----------"
+          ls -lh /tmp/windows-x64
+
+          echo "----------/tmp/windows-x86----------"
+          ls -lh /tmp/windows-x86
 
       - name: Build
         shell: bash

@@ -87,7 +87,7 @@ def process_macos(s):
         f.write(s)
 
 
-def process_windows(s):
+def process_windows(s, rid):
     libs = [
         "espeak-ng.dll",
         "kaldi-decoder-core.dll",
@@ -103,18 +103,18 @@ def process_windows(s):
 
     version = get_version()
 
-    prefix = "/tmp/windows/"
+    prefix = f"/tmp/windows-{rid}/"
     libs = [prefix + lib for lib in libs]
     libs = "\n      ;".join(libs)
 
     d = get_dict()
-    d["dotnet_rid"] = "win-x64"
+    d["dotnet_rid"] = f"win-{rid}"
     d["libs"] = libs
 
     environment = jinja2.Environment()
     template = environment.from_string(s)
     s = template.render(**d)
-    with open("./windows/sherpa-onnx.runtime.csproj", "w") as f:
+    with open(f"./windows-{rid}/sherpa-onnx.runtime.csproj", "w") as f:
         f.write(s)
 
 
@@ -122,7 +122,8 @@ def main():
     s = read_proj_file("./sherpa-onnx.csproj.runtime.in")
     process_macos(s)
     process_linux(s)
-    process_windows(s)
+    process_windows(s, "x64")
+    process_windows(s, "x86")
 
     s = read_proj_file("./sherpa-onnx.csproj.in")
     d = get_dict()

@@ -16,14 +16,15 @@ HF_MIRROR=hf.co
 mkdir -p /tmp/
 pushd /tmp
 
-mkdir -p linux macos windows
+mkdir -p linux macos windows-x64 windows-x86
 
 # You can pre-download the required wheels to /tmp
 src_dir=/tmp
 
 linux_wheel=$src_dir/sherpa_onnx-${SHERPA_ONNX_VERSION}-cp38-cp38-manylinux_2_17_x86_64.manylinux2014_x86_64.whl
 macos_wheel=$src_dir/sherpa_onnx-${SHERPA_ONNX_VERSION}-cp38-cp38-macosx_11_0_x86_64.whl
-windows_wheel=$src_dir/sherpa_onnx-${SHERPA_ONNX_VERSION}-cp38-cp38-win_amd64.whl
+windows_x64_wheel=$src_dir/sherpa_onnx-${SHERPA_ONNX_VERSION}-cp38-cp38-win_amd64.whl
+windows_x86_wheel=$src_dir/sherpa_onnx-${SHERPA_ONNX_VERSION}-cp38-cp38-win32.whl
 
 if [ ! -f /tmp/linux/libsherpa-onnx-core.so ]; then
   echo "---linux x86_64---"
@@ -72,13 +73,13 @@ if [ ! -f /tmp/macos/libsherpa-onnx-core.dylib ]; then
 fi
 
 
-if [ ! -f /tmp/windows/sherpa-onnx-core.dll ]; then
+if [ ! -f /tmp/windows-x64/sherpa-onnx-core.dll ]; then
   echo "---windows x64---"
-  cd windows
+  cd windows-x64
   mkdir -p wheel
   cd wheel
-  if [ -f $windows_wheel ]; then
-    cp -v $windows_wheel .
+  if [ -f $windows_x64_wheel ]; then
+    cp -v $windows_x64_wheel .
   else
     curl -OL https://$HF_MIRROR/csukuangfj/sherpa-onnx-wheels/resolve/main/sherpa_onnx-${SHERPA_ONNX_VERSION}-cp38-cp38-win_amd64.whl
   fi
@@ -92,9 +93,29 @@ if [ ! -f /tmp/windows/sherpa-onnx-core.dll ]; then
   cd ..
 fi
 
+if [ ! -f /tmp/windows-x86/sherpa-onnx-core.dll ]; then
+  echo "---windows x86---"
+  cd windows-x86
+  mkdir -p wheel
+  cd wheel
+  if [ -f $windows_x86_wheel ]; then
+    cp -v $windows_x86_wheel .
+  else
+    curl -OL https://$HF_MIRROR/csukuangfj/sherpa-onnx-wheels/resolve/main/sherpa_onnx-${SHERPA_ONNX_VERSION}-cp38-cp38-win32.whl
+  fi
+  unzip sherpa_onnx-${SHERPA_ONNX_VERSION}-cp38-cp38-win32.whl
+  cp -v sherpa_onnx-${SHERPA_ONNX_VERSION}.data/data/bin/*.dll ../
+  cp -v sherpa_onnx-${SHERPA_ONNX_VERSION}.data/data/bin/*.lib ../
+  cd ..
+
+  rm -rf wheel
+  ls -lh
+  cd ..
+fi
+
 popd
 
-mkdir -p macos linux windows all
+mkdir -p macos linux windows-x64 windows-x86 all
 
 cp ./online.cs all
 cp ./offline.cs all
@@ -111,7 +132,12 @@ dotnet build -c Release
 dotnet pack -c Release -o ../packages
 popd
 
-pushd windows
+pushd windows-x64
+dotnet build -c Release
+dotnet pack -c Release -o ../packages
+popd
+
+pushd windows-x86
 dotnet build -c Release
 dotnet pack -c Release -o ../packages
 popd

@@ -51,6 +51,7 @@
     <PackageReference Include="org.k2fsa.sherpa.onnx.runtime.linux-x64" Version="{{ version }}" />
     <PackageReference Include="org.k2fsa.sherpa.onnx.runtime.osx-x64"   Version="{{ version }}" />
     <PackageReference Include="org.k2fsa.sherpa.onnx.runtime.win-x64"   Version="{{ version }}" />
+    <PackageReference Include="org.k2fsa.sherpa.onnx.runtime.win-x86"   Version="{{ version }}" />
   </ItemGroup>
 
 </Project>

@@ -145,7 +145,9 @@ std::vector<std::vector<int64_t>> Lexicon::ConvertTextToTokenIds(
 }
 
 std::vector<std::vector<int64_t>> Lexicon::ConvertTextToTokenIdsChinese(
-    const std::string &text) const {
+    const std::string &_text) const {
+  std::string text(_text);
+  ToLowerCase(&text);
   std::vector<std::string> words;
   if (pattern_) {
     // Handle polyphones
@@ -206,6 +208,11 @@ std::vector<std::vector<int64_t>> Lexicon::ConvertTextToTokenIdsChinese(
     eos = token2id_.at("eos");
   }
 
+  int32_t pad = -1;
+  if (token2id_.count("#0")) {
+    pad = token2id_.at("#0");
+  }
+
   if (sil != -1) {
     this_sentence.push_back(sil);
   }
@@ -219,6 +226,8 @@ std::vector<std::vector<int64_t>> Lexicon::ConvertTextToTokenIdsChinese(
       if (punctuations_.count(w)) {
         if (token2id_.count(w)) {
           this_sentence.push_back(token2id_.at(w));
+        } else if (pad != -1) {
+          this_sentence.push_back(pad);
         } else if (sil != -1) {
           this_sentence.push_back(sil);
         }