App now has all the network icons and can use them when needed

tools/gen_networks.py

@@ -0,0 +1,117 @@
+#!/usr/bin/env python3
+
+import os
+import sys
+import re
+import argparse
+
+
+class Network:
+    chain_id: int
+    name: str
+    ticker: str
+
+    def __init__(self, chain_id: int, name: str, ticker: str):
+        self.chain_id = chain_id
+        self.name = name
+        self.ticker = ticker
+
+
+def get_network_glyph_name(net: Network) -> str:
+    return "stax_chain_%u_64px" % (net.chain_id)
+
+
+def get_header() -> str:
+    return """\
+/*
+ * Generated by %s
+ */
+
+""" % (sys.argv[0])
+
+
+def gen_icons_array_inc(networks: list[Network], path: str) -> bool:
+    with open(path + ".h", "w") as out:
+        print(get_header() + """\
+#ifndef NETWORK_ICONS_GENERATED_H_
+#define NETWORK_ICONS_GENERATED_H_
+
+#include <stdint.h>
+#include "nbgl_types.h"
+
+typedef struct {
+    uint64_t chain_id;
+    const nbgl_icon_details_t *icon;
+} network_icon_t;
+
+extern const network_icon_t g_network_icons[%u];
+
+#endif // NETWORK_ICONS_GENERATED_H_ \
+""" % (len(networks)), file=out)
+    return True
+
+
+def gen_icons_array_src(networks: list[Network], path: str) -> bool:
+    with open(path + ".c", "w") as out:
+        print(get_header() + """\
+#include "glyphs.h"
+#include "%s.h"
+
+const network_icon_t g_network_icons[%u] = {\
+""" % (os.path.basename(path), len(networks)), file=out)
+
+        for net in networks:
+            glyph_name = get_network_glyph_name(net)
+            if os.path.isfile("glyphs/%s.gif" % (glyph_name)):
+                print(" "*4, end="", file=out)
+                print("{.chain_id = %u, .icon = &C_%s}, // %s" % (net.chain_id,
+                                                                  glyph_name,
+                                                                  net.name),
+                      file=out)
+
+        print("};", file=out)
+    return True
+
+
+def gen_icons_array(networks: list[Network], path: str) -> bool:
+    path += "/net_icons.gen"
+    if not gen_icons_array_inc(networks, path) or \
+       not gen_icons_array_src(networks, path):
+        return False
+    return True
+
+
+def network_icon_exists(net: Network) -> bool:
+    return os.path.isfile("glyphs/%s.gif" % (get_network_glyph_name(net)))
+
+
+def main(output_dir: str) -> bool:
+    networks: list[Network] = list()
+
+    # get chain IDs and network names
+    expr = r"{\.chain_id = ([0-9]*), \.name = \"(.*)\", \.ticker = \"(.*)\"},"
+    with open("src_common/network.c") as f:
+        for line in f.readlines():
+            line = line.strip()
+            if line.startswith("{") and line.endswith("},"):
+                m = re.search(expr,
+                              line)
+                assert(m.lastindex == 3)
+                networks.append(Network(int(m.group(1)),
+                                        m.group(2),
+                                        m.group(3)))
+
+    networks.sort(key=lambda x: x.chain_id)
+
+    if not gen_icons_array(list(filter(network_icon_exists, networks)),
+                           output_dir):
+        return False
+    return True
+
+
+if __name__ == "__main__":
+    parser = argparse.ArgumentParser()
+    parser.add_argument("OUTPUT_DIR")
+    args = parser.parse_args()
+    assert os.path.isdir(args.OUTPUT_DIR)
+    quit(0 if main(args.OUTPUT_DIR) else 1)