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const fs = require("fs");
const path = require("path");
var version = require("../../package.json").libgit2.version;
var descriptor = require("./descriptor.json");
var libgit2 = require("./v" + version + ".json");
// This file was generated by @nkallen.
var legacy = require("./new.json");
// Extracted types.
var typeMap = require("./types.json");
// Structs or new types between v0.18 and v0.20.
typeMap.__proto__ = {
"git_filter_mode_t": { cpp: "Number", js: "Number" },
"const git_blame_hunk*": { cpp: "GitBlameHunk", js: "BlameHunk" },
"git_filter *": { cpp: "GitFilter", js: "Filter" },
"const git_status_entry *": { cpp: "StatusEntry", js: "StatusEntry" },
"const git_index_name_entry *": {
cpp: "IndexNameEntry", js: "IndexNameEntry" },
// unsure
"uint16_t": { cpp: "Integer", js: "Number" },
"git_blame_options": { cpp: "Integer", js: "Number" },
"git_blame_options *": { cpp: "Integer", js: "Number" },
"git_buf *": { cpp: "Buf", js: "Buf" },
"git_branch_iterator *": { cpp: "BranchIterator", js: "Iterator" },
"git_branch_iterator **": { cpp: "BranchIterator", js: "Iterator" },
"git_branch_t *": { cpp: "GitBranch", js: "Branch" }
};
var files = [];
function titleCase(str) {
return str.split(/_|\//).map(function(val, index) {
if (val.length) {
return val[0].toUpperCase() + val.slice(1);
}
return val;
}).join("");
}
function camelCase(str) {
return str.split(/_|\//).map(function(val, index) {
if (val.length) {
return index >= 1 ? val[0].toUpperCase() + val.slice(1) : val;
}
return val;
}).join("");
}
Object.keys(descriptor).forEach(function(fileName, index) {
var file = descriptor[fileName];
// Constants.
file.filename = fileName + ".h";
file.ignore = typeof file.ignore == "boolean" ? file.ignore : true;
file.cppClassName = "Git" + titleCase(fileName);
file.jsClassName = file.cppClassName;
// Adjust to find the real the index.
libgit2.files.some(function(currentFile, _index) {
if (currentFile.filename === file.filename) {
index = _index;
return true;
}
});
if (file.cType === undefined) {
if (libgit2.files[index].functions.length) {
file.cType = libgit2.files[index].functions[0].split("_").slice(0, 2).join("_");
}
}
if (file.cType) {
file.freeFunctionName = "git_" + fileName + "_free";
}
// Doesn't actually exist.
if (libgit2.files[index].functions.indexOf(file.freeFunctionName) === -1) {
delete file.freeFunctionName;
}
var legacyFile = legacy.filter(function(currentFile) {
return currentFile.filename === file.filename;
})[0] || {};
if (file.jsClassName.indexOf("Git") === 0) {
file.jsClassName = file.jsClassName.slice(3);
}
var uniqueTypes = [];
var addType = function(arg) {
if (!arg.type) { return; }
if (arg.type.indexOf("git") === 0) {
var val = arg.type.split(" ")[0].slice(4);
if (uniqueTypes.indexOf(val) === -1 && descriptor[val]) {
uniqueTypes.push(val);
}
}
};
libgit2.files[index].functions.forEach(function(functionName) {
var funcDescriptor = libgit2.functions[functionName];
var args = funcDescriptor.args || [];
args.forEach(addType);
addType(funcDescriptor.return.type);
});
file.dependencies = uniqueTypes.map(function(file) {
return "../include/" + file + ".h";
});
// Add to the type's list if it's new.
typeMap["const " + "git_" + fileName + " *"] =
typeMap["const " + "git_" + fileName + " **"] =
typeMap["git_" + fileName + " *"] =
typeMap["git_" + fileName + " **"] =
typeMap["git_" + fileName] = {
cpp: file.cppClassName,
js: file.jsClassName
};
file.functions = libgit2.files[index].functions.map(function(functionName, index) {
var funcDescriptor = libgit2.functions[functionName];
var descriptor = legacyFile.functions ? legacyFile.functions[index] || {} : {};
var cType = file.cType || "git";
if (!functionName || !funcDescriptor) { return; }
descriptor.cFunctionName = functionName;
descriptor.ignore = true;
var trimmedName = functionName.slice(cType.length + 1);
if (trimmedName === "new") {
trimmedName = "new2";
}
descriptor.cppFunctionName = titleCase(trimmedName);
descriptor.jsFunctionName = camelCase(trimmedName);
// Add to the type's list if it's new.
typeMap["const " + descriptor.cFunctionName + " *"] =
typeMap[descriptor.cFunctionName + " *"] =
typeMap[descriptor.cFunctionName] = {
cpp: descriptor.cppFunctionName,
js: descriptor.jsFunctionName
};
var retVal = descriptor.return = {};
retVal.cType = funcDescriptor.return.type;
var type = typeMap[retVal.cType];
retVal.cppClassName = type.cpp;
retVal.jsClassName = type.js;
var args = descriptor.args || [];
var typeDescriptor = args.length ? args[0].type || "" : "";
var functionDescriptor = file.functions ? file.functions[functionName] || {} : {};
var isCtor = Boolean(functionDescriptor.isConstructorMethod);
descriptor.isConstructorMethod = isCtor;
// Set the prototype method argument.
descriptor.isPrototypeMethod = !descriptor.isConstructorMethod;
descriptor.args = funcDescriptor.args.map(function(arg) {
var manualArgs = functionDescriptor.args ? functionDescriptor.args[arg.name] || {} : {};
function isSelf(arg) {
return file.jsClassName === typeMap[arg.type].js;
}
if (typeMap[arg.type]) {
return {
name: arg.name,
cType: arg.type,
cppClassName: typeMap[arg.type].cpp,
jsClassName: typeMap[arg.type].js,
comment: arg.comment,
isReturn: arg.name === "out" || arg.name.slice(-4) === "_out",
isSelf: isSelf(arg)
};
}
return {};
});
return descriptor;
});
files.push(file);
});
fs.writeFileSync(path.join(__dirname, "types.json"),
JSON.stringify(typeMap, null, 2));
fs.writeFileSync(path.join(__dirname, "compare.json"),
JSON.stringify(files, null, 2));