Merge tag 'v2.3.20' into testing

[gpl/argeo-jcr.git] / org.argeo.slc.rpmfactory / src / org / argeo / slc / rpmfactory / core / RpmSpecFile.java

diff --git a/org.argeo.slc.rpmfactory/src/org/argeo/slc/rpmfactory/core/RpmSpecFile.java b/org.argeo.slc.rpmfactory/src/org/argeo/slc/rpmfactory/core/RpmSpecFile.java
new file mode 100644 (file)
index 0000000..c9132f9
--- /dev/null
+++ b/org.argeo.slc.rpmfactory/src/org/argeo/slc/rpmfactory/core/RpmSpecFile.java
@@ -0,0 +1,110 @@
+package org.argeo.slc.rpmfactory.core;
+
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+public class RpmSpecFile {
+       private Path specFile;
+
+       private String name;
+       private String version;
+       private String release;
+       private Map<String, String> sources = new HashMap<String, String>();
+       private Map<String, String> patches = new HashMap<String, String>();
+
+       public RpmSpecFile(Path specFile) {
+               this.specFile = specFile;
+               parseSpecFile();
+       }
+
+       public void init() {
+               parseSpecFile();
+       }
+
+       protected void parseSpecFile() {
+               try {
+                       List<String> lines = (List<String>) Files.readAllLines(specFile);
+
+                       lines: for (String line : lines) {
+                               int indexSemiColon = line.indexOf(':');
+                               if (indexSemiColon <= 0)
+                                       continue lines;
+                               String directive = line.substring(0, indexSemiColon).trim();
+                               String value = line.substring(indexSemiColon + 1).trim();
+                               if ("name".equals(directive.toLowerCase()))
+                                       name = value;
+                               else if ("version".equals(directive.toLowerCase()))
+                                       version = value;
+                               else if ("release".equals(directive.toLowerCase()))
+                                       release = value;
+                               else if (directive.toLowerCase().startsWith("source"))
+                                       sources.put(directive, interpret(value));
+                               else if (directive.toLowerCase().startsWith("patch"))
+                                       patches.put(directive, interpret(value));
+                       }
+
+               } catch (IOException e) {
+                       throw new RuntimeException("Cannot parse spec file " + specFile, e);
+               }
+       }
+
+       protected String interpret(String value) {
+               StringBuffer buf = new StringBuffer(value.length());
+               StringBuffer currKey = null;
+               boolean mayBeKey = false;
+               chars: for (char c : value.toCharArray()) {
+                       if (c == '%')
+                               mayBeKey = true;
+                       else if (c == '{') {
+                               if (mayBeKey)
+                                       currKey = new StringBuffer();
+                       } else if (c == '}') {
+                               if (currKey == null)
+                                       continue chars;
+                               String key = currKey.toString();
+                               if ("name".equals(key.toLowerCase()))
+                                       buf.append(name);
+                               else if ("version".equals(key.toLowerCase()))
+                                       buf.append(version);
+                               else
+                                       buf.append("%{").append(key).append('}');
+                               currKey = null;
+                       } else {
+                               if (currKey != null)
+                                       currKey.append(c);
+                               else
+                                       buf.append(c);
+                       }
+               }
+               return buf.toString();
+       }
+
+       public Path getSpecFile() {
+               return specFile;
+       }
+
+       public String getName() {
+               return name;
+       }
+
+       public String getVersion() {
+               return version;
+       }
+
+       public String getRelease() {
+               return release;
+       }
+
+       public Map<String, String> getSources() {
+               return sources;
+       }
+
+       public Map<String, String> getPatches() {
+               return patches;
+       }
+
+}