1 files changed, 81 insertions, 0 deletions
diff --git a/asciifarmclient/loaders.py b/asciifarmclient/loaders.py
new file mode 100644
index 0000000..efdd1c0
--- /dev/null
+++ b/asciifarmclient/loaders.py
@@ -0,0 +1,81 @@
+
+import os
+
+from .paths import keybindingsPath, charmapPath
+import json
+
+
+standardKeyFiles = {
+    "default": os.path.join(keybindingsPath, "default.json"),
+    "azerty": os.path.join(keybindingsPath, "azerty.json")
+}
+
+def loadKeybindings(name):
+    fname = None
+    if name in standardKeyFiles:
+        fname = standardKeyFiles[name]
+    else:
+        fname = name
+    with open(fname) as f:
+        data = json.load(f)
+    bindings = {}
+    help = ""
+    for ftemplate in data.get("templates", []):
+        if ftemplate.partition(os.sep)[0] in {".", ".."}:
+            ftemplate = os.path.relpath(ftemplate, fname)
+        template = loadKeybindings(ftemplate)
+        bindings.update(template.get("actions", {}))
+        help = template.get("help", help)
+    bindings.update(data.get("actions", {}))
+    help = data.get("help", help)
+    return {"actions": bindings, "help": help}
+
+
+standardCharFiles = {name: os.path.join(charmapPath, file) for name, file in {
+    "default": "fullwidth.json",
+    "halfwidth": "halfwidth.json",
+    "hw": "halfwidth.json",
+    "fullwidth": "fullwidth.json",
+    "fw": "fullwidth.json",
+    "emoji": "emoji.json"
+}.items()}
+
+def loadCharmap(name):
+    fname = None
+    if name in standardCharFiles:
+        fname = standardCharFiles[name]
+    else:
+        fname = name
+    with open(fname) as f:
+        data = json.load(f)
+    
+    templates = []
+    for ftemplate in data.get("templates", []):
+        if ftemplate.partition(os.sep)[0] in {".", ".."}:
+            ftemplate = os.path.relpath(ftemplate, fname)
+        templates.append(loadCharmap(ftemplate))
+    
+    templates.append(data)
+    
+    mapping = {}
+    writable = {}
+    default = None
+    charwidth = 1
+    alphabet = ""
+    msgcolours = {}
+    
+    for template in templates:
+        mapping.update(template.get("mapping", {}))
+        writable.update(template.get("writable", {}))
+        default = template.get("default", default)
+        charwidth = template.get("charwidth", charwidth)
+        alphabet = template.get("alphabet", alphabet)
+        msgcolours.update(template.get("msgcolours", {}))
+    return {
+        "mapping": mapping,
+        "writable": writable,
+        "default": default,
+        "charwidth": charwidth,
+        "alphabet": alphabet,
+        "msgcolours": msgcolours
+    }