Initial working commit

Author: ketankr9

.gitignore

@@ -0,0 +1,23 @@
+api.sh
+*.cpp
+
+# Binaries for programs and plugins
+*.exe
+*.exe~
+*.dll
+*.so
+*.dylib
+
+# Test binary, built with `go test -c`
+*.test
+
+# Output of the go coverage tool, specifically when used with LiteIDE
+*.out
+
+# Dependency directories (remove the comment below to include it)
+# vendor/
+
+cses-cli
+pkg/
+release/
+src/

Makefile

@@ -0,0 +1,10 @@
+bin=cses-cli
+.PHONY: clean
+all: clean $(bin)
+
+cses-cli:
+	echo ${CURDIR}
+	GOPATH=${CURDIR} CGO_ENABLED=0 go build -o $(bin)
+
+clean:
+	rm -fv $(bin)

helper.go

@@ -0,0 +1,187 @@
+package main
+
+import(
+	"net/http"
+	"os"
+	"bytes"
+	"bufio"
+	"mime/multipart"
+	"path/filepath"
+	"io"
+	"io/ioutil"
+	"strings"
+	"os/exec"
+	"runtime"
+
+)
+
+var unicodeMap = map[string]string{
+		"\\le":         "\u2264",
+		"\\dots":       "...",
+		"\\cdots":      "\u22EF",
+		"\\rightarrow": "\u21D2",
+		"\\times":      "\u00D7",
+		"\\alpha":      "\u03B1",
+		"\\beta":       "\u03B2",
+		"\\gamma":      "\u03B3",
+		"\\delta":      "\u03B4",
+		"\\epsilon":    "\u03F5",
+		"\\zeta":       "\u03B6",
+		"\\eta":        "\u03B7",
+		"\\theta":      "\u03B8",
+		"\\iota":       "\u03B9",
+		"\\kappa":      "\u03BA",
+		"\\lambda":     "\u03BB",
+		// parallel: '2225',
+		// mid: '2223',
+		// dashv: '22A3',
+		// vdash: '22A2',
+		"\\leq": "\u2264",
+		// geq: '2265',
+		"\\ge": "\u2265",
+		"\\lt": "\u003C",
+		"\\gt": "\u003E",
+		// succ: '227B',
+		// prec: '227A',
+		// approx: '2248',
+		// succeq: '2AB0',
+		// preceq: '2AAF',
+		"\\supset": "\u2283",
+		"\\subset": "\u2282",
+		// supseteq: '2287',
+		// subseteq: '2286',
+		"\\uparrow": "\u2191",
+		// '\\downarrow': '2193',
+		// '\\updownarrow': '2195',
+		// '\\Uparrow': '21D1',
+		// '\\Downarrow': '21D3',
+		// '\\Updownarrow': '21D5',
+		"\\backslash": "\\",
+		// '\\rangle': '27E9',
+		// '\\langle': '27E8',
+		"\\rbrace": "}",
+		"\\lbrace": "{",
+		"\\}": "}",
+		"\\{": "{",
+		"\\[": "[",
+		"\\]": "]",
+		"\\rceil": "\u2309",
+		"\\lceil": "\u2308",
+		"\\rfloor": "\u230B",
+		"\\lfloor": "\u230A",
+		"\\lbrack": "[",
+		"\\rbrack": "]",
+	}
+
+func check(e error) {
+	if e != nil {
+		panic(e)
+	}
+}
+
+func UserHomeDir() string {
+    if runtime.GOOS == "windows" {
+        home := os.Getenv("HOMEDRIVE") + os.Getenv("HOMEPATH")
+        if home == "" {
+            home = os.Getenv("USERPROFILE")
+        }
+        return home
+    }
+    return os.Getenv("HOME")
+}
+
+func cacheSet(filename string, data string, root string) {
+	f, err := os.Create(filepath.Join(root, filename))
+	check(err)
+
+	w := bufio.NewWriter(f)
+	w.WriteString(data)
+
+	w.Flush()
+	defer f.Close()
+}
+
+func cacheGet(filename string, root string) ([]byte, bool) {
+	path := filepath.Join(root, filename)
+
+	_, err := os.Stat(path)
+	if os.IsNotExist(err) {
+		return nil, false
+	}
+	content, err := ioutil.ReadFile(path)
+	check(err)
+	return content, true
+}
+
+func getTaskFromCache(task string, root string) string {
+	path := filepath.Join(root, task + ".task.html")
+
+	output, err := exec.Command("bash", "-c", "lynx -dump "+path).Output()
+	check(err)
+	data := string(output)
+
+	for k, v := range unicodeMap {
+		data = strings.Replace(data, k, v, -1)
+	}
+
+	return data
+}
+
+func writeCodeFile(filename string, text string, template string) bool {
+	if _, err := os.Stat(filename); err == nil {
+		return true
+	}
+
+	f, err := os.Create(filename)
+	if err != nil {
+		return false
+	}
+	_, err = f.WriteString("/*\n" + text + "*/\n" + template)
+	if err != nil {
+		f.Close()
+		return false
+	}
+
+	err = f.Close()
+	if err != nil {
+		return false
+	}
+	return true
+}
+
+func newfileUploadRequest(uri string, params map[string]string, paramName, path string, cookie string) (*http.Request, error) {
+	file, err := os.Open(path)
+	if err != nil {
+		return nil, err
+	}
+	defer file.Close()
+
+	body := &bytes.Buffer{}
+	writer := multipart.NewWriter(body)
+	part, err := writer.CreateFormFile(paramName, filepath.Base(path))
+	if err != nil {
+		return nil, err
+	}
+	_, err = io.Copy(part, file)
+
+	for key, val := range params {
+		_ = writer.WriteField(key, val)
+	}
+	err = writer.Close()
+	if err != nil {
+		return nil, err
+	}
+
+	return newfileUploadRequestPost(uri, body, cookie, writer.FormDataContentType())
+}
+
+func fileMeta(filename string) (string, string, string, bool) {
+	parts := strings.Split(filepath.Base(filename), ".")
+	lang := parts[2]
+	option := ""
+	if lang == "cpp" {
+		lang = "C++"
+		option = "C++17"
+	}
+	return parts[0], lang, option, true
+}