[core] Reimplement existing caching within an offline-capable database schema

1 files changed, 24 insertions, 0 deletions

diff --git a/platform/default/mbgl/storage/offline_schema.js b/platform/default/mbgl/storage/offline_schema.js
new file mode 100644
index 0000000000..153ba34e38
--- /dev/null
+++ b/platform/default/mbgl/storage/offline_schema.js
@@ -0,0 +1,24 @@
+// To regenerate:
+// (cd platform/default/mbgl/storage && node offline_schema.js)
+
+var fs = require('fs');
+var readline = require('readline');
+
+var lineReader = readline.createInterface({
+    input: fs.createReadStream('offline_schema.sql')
+});
+
+var lines = [
+    "/* THIS IS A GENERATED FILE; EDIT offline_schema.sql INSTEAD */",
+    "static const char * schema = ",
+];
+
+lineReader
+    .on('line', function (line) {
+        line = line.replace(/ *--.*/, '');
+        if (line) lines.push('"' + line + '\\n"');
+    })
+    .on('close', function () {
+        lines.push(';\n');
+        fs.writeFileSync('offline_schema.cpp.include', lines.join('\n'));
+    });