Generate hwdefs.qrc via a script

companion/src/CMakeLists.txt

@@ -138,21 +138,21 @@ else()
   message(STATUS "Qt lupdate not found, 'translations' target will not be availabe.")
 endif()
 
-############# Radio hardware definitions ###############
+############# Import radio hardware definitions ###############
 
-# Find all the json files
 set(HWDEFS_DIR "${CMAKE_CURRENT_BINARY_DIR}/../../radio/src")
-file(GLOB hwdefs_json "${HWDEFS_DIR}/*.json")
+set(HWDEFS_TMPL "${COMPANION_SRC_DIRECTORY}/hwdefs.qrc.in")
+set(HWDEFS_PHDR "HWDEF_JSON_LIST")
 set(HWDEFS_QRC "${CMAKE_CURRENT_BINARY_DIR}/hwdefs.qrc")
-
-# Dynamically update companion.qrc file (XML) adding collected hwdef json files.
-foreach(hwdef_json ${hwdefs_json})
-  get_filename_component(hwdef_json_name ${hwdef_json} NAME)
-  message(STATUS "Hardware definition found: ${hwdef_json_name}")
-  # Add file with full path and file name (w/out path) as alias to be used in actual code
-  set(HWDEF_JSON_LIST "${HWDEF_JSON_LIST}    <file alias=\"${hwdef_json_name}\">${HWDEFS_DIR}/${hwdef_json_name}</file>\n")
-endforeach()
-configure_file(${COMPANION_SRC_DIRECTORY}/hwdefs.qrc.in ${HWDEFS_QRC} @ONLY)
+set(HWDEFS_CMD "${COMPANION_SRC_DIRECTORY}/../util/generate_hwdefs_qrc.py")
+
+add_custom_command(OUTPUT ${HWDEFS_QRC}
+  COMMAND ${HWDEFS_CMD} -d ${HWDEFS_DIR}
+                        -t ${HWDEFS_TMPL}
+                        -p ${HWDEFS_PHDR}
+                        -o ${HWDEFS_QRC}
+  DEPENDS ${HWDEFS_TMPL}
+  )
 
 ############# Common lib ###############
 

companion/util/generate_hwdefs_qrc.py

@@ -0,0 +1,51 @@
+#!/usr/bin/env python3
+
+import argparse
+import glob
+from os import path
+
+def main(jsondir, template, placeholder, output):
+    if not path.isdir(jsondir):
+        raise Exception(jsondir + " is not a directory")
+
+    try:
+        tmplt = open(template, "r")
+    except:
+        raise Exception("Unable to open template file " + template)
+
+    try:
+        qrc = open(output, "w")
+    except:
+        raise Exception("Unable to open " + output + " for writing")
+
+    line = tmplt.readline()
+
+    while placeholder not in line and line != '':
+        qrc.write(line)
+        line = tmplt.readline()
+
+    for f in sorted(glob.iglob(path.join(jsondir, '*.json'), recursive = False)):
+        fname = path.basename(f)
+        qrc.write('    <file alias="' + fname + '">' + f + '</file>' + '\n')
+
+    line = tmplt.readline()
+
+    while line != '':
+        qrc.write(line)
+        line = tmplt.readline()
+
+    tmplt.close()
+    qrc.close()
+
+
+if __name__ == "__main__":
+
+    parser = argparse.ArgumentParser(description='Generate hardware definitions resource file')
+    parser.add_argument('-d', metavar='json files directory', required=True)
+    parser.add_argument('-t', metavar='template file', required=True)
+    parser.add_argument('-p', metavar='placeholder', required=True)
+    parser.add_argument('-o', metavar='qrc file', required=True)
+
+    args = parser.parse_args()
+
+    main(args.d, args.t, args.p, args.o)