Update to latest Xapian release

Swap Travis for Github CI

.github/workflows/ci.yml

@@ -0,0 +1,21 @@
+name: Runbox-SearchIndex
+
+on: [push, pull_request]
+
+jobs:
+    build:
+    runs-on: ubuntu-latest
+    steps:
+        - uses: actions/checkout@v4
+        - uses: actions/setup-node@v1
+          with:
+            node-version: '16.x'
+        - uses: actions/setup-python@v5
+          with:
+            python-version: '3.9'
+        - run: ./setup-emsdh.sh
+        - run: source ./emsdk/emsdk_env.sh
+        - run: ./build-xapian.sh
+        - run: npm ci
+        - run: npm run test-no-watch
+

.gitignore

@@ -3,5 +3,6 @@ node_modules
 xapianasm.*
 .vscode
 dist
-/xapian/
+*.log
+/xapian*
 /emsdk/

README.md

@@ -33,9 +33,9 @@ https://github.com/xapian/xapian/blob/master/xapian-core/emscripten/README.md
 In order to build the web assembly binaries you will have to set the `XAPIAN` environment variable to
 the location of the `xapian_core` folder of your Xapian emscripten build.
 
-You may then build it using `XAPIAN=xapian_core_location npm run build`
+You may then build it using `npm run build --xapiandir=xapian_core_location`
 
-You can also have a look at the [.travis.yml](.travis.yml) file for a complete build and test procedure (which is run on every push).
+You can also have a look at the [Github CI](.github/workflows/ci.yml) file for a complete build and test procedure (which is run on every push).
 
 ## Running tests
 

build-xapian.sh

@@ -1,14 +1,9 @@
 #!/bin/bash
 THREADS=${THREADS:-2}
 
-git clone https://github.com/xapian/xapian
-cd xapian
-git checkout v1.4.16
-./bootstrap xapian-core
-./configure CXXFLAGS=-O0 --disable-backend-honey --disable-backend-inmemory --disable-backend-remote
-make -j$THREADS
-make -j$THREADS distclean
-cd xapian-core
+wget https://oligarchy.co.uk/xapian/1.4.25/xapian-core-1.4.25.tar.xz
+tar -xf xapian-core-1.4.25.tar.xz
+cd xapian-core-1.4.25
 emconfigure ./configure CPPFLAGS='-DFLINTLOCK_USE_FLOCK' CXXFLAGS='-Oz -s USE_ZLIB=1 -fno-rtti' --disable-backend-honey --disable-backend-inmemory --disable-shared --disable-backend-remote
 emmake make -j$THREADS
-cd ../..
+cd ..

compilermmxapianapi.js

@@ -19,7 +19,7 @@ if(!process.env.XAPIAN) {
       mkdirSync('dist');
     }
     execSync(`em++ -Oz -s DISABLE_EXCEPTION_CATCHING=0 -s USE_ZLIB=1 ` + 
-      `-s "EXTRA_EXPORTED_RUNTIME_METHODS=['FS','cwrap','stringToUTF8','UTF8ToString','getValue']" ` +
+      `-s "EXPORTED_RUNTIME_METHODS=['FS','cwrap','stringToUTF8','UTF8ToString','getValue']" ` +
       `-std=c++11 -s DEMANGLE_SUPPORT=1 -s ALLOW_MEMORY_GROWTH=1 ` +
       `-I$XAPIAN/include -I$XAPIAN -I$XAPIAN/common rmmxapianapi.cc $XAPIAN/.libs/libxapian.a ` +
       `-o dist/xapianasm.js -lidbfs.js -lnodefs.js`, { stdio: 'inherit' });