Merge pull request #50 from mahomaps/ci

CI

.github/workflows/build.yml

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+name: CI
+on:
+  push:
+    paths-ignore:
+      - '**.md'
+jobs:
+  build:
+    runs-on: ubuntu-20.04
+    name: Build
+    steps:
+      - name: Check out repository code
+        uses: actions/checkout@v3
+      - name: Setup
+        run: sudo dpkg --add-architecture i386 && sudo apt update && sudo apt-get install gcc-multilib libxt6:i386
+      - name: Build
+        run: cd ${{ github.workspace }} && chmod +x ./build.sh && ./build.sh
+      - name: Upload jar
+        uses: actions/upload-artifact@v2
+        with:
+          name: base.zip
+          path: ${{ github.workspace }}/mm_v1.jar
+      - name: Upload obf jar
+        uses: actions/upload-artifact@v2
+        with:
+          name: obf.zip
+          path: ${{ github.workspace }}/mm_v1_obf.jar
+      - name: Upload obf mappings
+        uses: actions/upload-artifact@v2
+        with:
+          name: mappings.zip
+          path: ${{ github.workspace }}/mm_v1_obf_map.txt

build.sh

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+#!/bin/bash
+
+# Define RELEASE=1 before running to build a release.
+
+# Compiler
+
+echo "Downloading and updating compiler..."
+if git clone https://github.com/Feodor0090/j2me_compiler.git 2>/dev/null
+then
+  echo "Done."
+else
+  echo "Already downloaded."
+fi
+cd j2me_compiler
+git pull
+cd ..
+
+# Manifest
+
+cp Application\ Descriptor manifest.mf
+echo -en "Commit: " >> manifest.mf
+git rev-parse --short HEAD >> manifest.mf
+
+WORK_DIR=`dirname $0`
+cd ${WORK_DIR}
+
+
+mkdir -p jar
+
+APP=mm_v1
+
+# STATIC VARS
+JAVA_HOME=./j2me_compiler/jdk1.6.0_45
+WTK_HOME=./j2me_compiler/WTK2.5.2
+PROGUARD=./j2me_compiler/proguard/bin/proguard.sh
+RES=res
+MANIFEST=manifest.mf
+PATHSEP=":"
+JAVAC=javac
+JAR=jar
+
+# DYNAMIC VARS
+LIB_DIR=${WTK_HOME}/lib
+CLDCAPI=${LIB_DIR}/cldcapi11.jar
+MIDPAPI=${LIB_DIR}/midpapi20.jar
+PREVERIFY=${WTK_HOME}/bin/preverify
+TCP=${LIB_DIR}/*
+CLASSPATH=`echo $TCP | sed "s/ /:/g"`
+
+if [ -n "${JAVA_HOME}" ] ; then
+  JAVAC=${JAVA_HOME}/bin/javac
+  JAR=${JAVA_HOME}/bin/jar
+fi
+
+# ACTION
+echo "Working on" ${APP}
+pwd
+echo "Creating or cleaning directories..."
+mkdir -p ./tmpclasses
+mkdir -p ./classes
+rm -rf ./tmpclasses/*
+rm -rf ./classes/*
+
+echo "Compiling source files..."
+${JAVAC} \
+    -bootclasspath ${CLDCAPI}${PATHSEP}${MIDPAPI} \
+    -source 1.3 \
+    -target 1.3 \
+    -d ./tmpclasses \
+    -classpath ./tmpclasses${PATHSEP}${CLASSPATH} \
+    `find ./src -name '*'.java`
+if [ $? -eq 0 ]
+then
+  echo "Compilation ok!"
+else
+  exit 1
+fi
+echo "Preverifying class files..."
+${PREVERIFY} \
+    -classpath ${CLDCAPI}${PATHSEP}${MIDPAPI}${PATHSEP}${CLASSPATH}${PATHSEP}./tmpclasses \
+    -d ./classes \
+    ./tmpclasses
+if [ $? -eq 0 ]
+then
+  echo "Preverify ok!"
+else
+  exit 1
+fi
+
+echo "Jaring preverified class files..."
+${JAR} cmf ${MANIFEST} ${APP}.jar -C ./classes .
+
+if [ -d ${RES} ] ; then
+  ${JAR} uf ${APP}.jar -C ${RES} .
+fi
+
+echo "Build done!" ./${APP}.jar
+
+echo Optimizing ${APP}
+chmod +x ${PROGUARD}
+touch cf.cfg
+
+cat proguard.basecfg > cf.cfg
+echo "-injars ./${APP}.jar" >> cf.cfg
+echo "-outjar ./${APP}_obf.jar" >> cf.cfg
+echo "-printseeds ./${APP}_obf_seeds.txt" >> cf.cfg
+echo "-printmapping ./${APP}_obf_map.txt" >> cf.cfg
+echo "-libraryjars ${CLASSPATH}" >> cf.cfg
+
+${PROGUARD} @cf.cfg

proguard.basecfg

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+-dontusemixedcaseclassnames
+-dontnote
+-dontwarn
+-defaultpackage ''
+-microedition
+-optimizations !library/*,!code/simplification/object
+-overloadaggressively
+-allowaccessmodification
+-optimizationpasses 4
+
+-keepclassmembers,includecode,allowobfuscation class mahomaps.map.GeoUpdateThread$LocationAPI {
+    <methods>;
+}
+
+-assumenosideeffects public class java.lang.StringBuffer {
+    public java.lang.String toString();
+    public char charAt(int);
+    public int capacity();
+    public int codePointAt(int);
+    public int codePointBefore(int);
+    public int indexOf(java.lang.String,int);
+    public int lastIndexOf(java.lang.String);
+    public int lastIndexOf(java.lang.String,int);
+    public int length();
+    public java.lang.String substring(int);
+    public java.lang.String substring(int,int);
+}
+
+-keep public class * extends javax.microedition.midlet.MIDlet
+