2017-05-25 10:33:26 +00:00
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package tokenizer
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import (
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"fmt"
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"testing"
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"github.com/stretchr/testify/assert"
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)
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const (
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testContent = `#!/usr/bin/ruby
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#!/usr/bin/env node
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aaa
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#!/usr/bin/env A=B foo=bar awk -f
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#!python
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func Tokenize(content []byte) []string {
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splitted := bytes.Fields(content)
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tokens := /* make([]string, 0, len(splitted))
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no comment -- comment
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for _, tokenByte := range splitted {
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token64 := base64.StdEncoding.EncodeToString(tokenByte)
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tokens = append(tokens, token64)
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notcatchasanumber3.5
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}*/
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othercode
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/* testing multiple
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multiline comments*/
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<!-- com
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ment -->
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<!-- comment 2-->
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ppp no comment # comment
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"literal1"
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abb (tokenByte, 0xAF02) | ,3.2L
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'literal2' notcatchasanumber3.5
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5 += number * anotherNumber
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if isTrue && isToo {
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0b00001000 >> 1
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}
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return tokens
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oneBool = 3 <= 2
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varBool = 3<=2>
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2017-06-13 11:56:07 +00:00
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#ifndef
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#i'm not a comment if the single line comment symbol is not followed by a white
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2017-05-25 10:33:26 +00:00
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PyErr_SetString(PyExc_RuntimeError, "Relative import is not supported for Python <=2.4.");
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml">
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<head>
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<title id="hola" class="">This is a XHTML sample file</title>
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<style type="text/css"><![CDATA[
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#example {
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background-color: yellow;
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}
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]]></style>
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</head>
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<body>
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<div id="example">
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Just a simple <strong>XHTML</strong> test page.
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</div>
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</body>
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</html>`
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)
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var (
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tokensFromTestContent = []string{"SHEBANG#!ruby", "SHEBANG#!node", "SHEBANG#!awk", "<!DOCTYPE>", "PUBLIC", "W3C", "DTD", "XHTML", "1", "0",
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"Strict", "EN", "http", "www", "w3", "org", "TR", "xhtml1", "DTD", "xhtml1", "strict", "dtd", "<html>", "<head>", "<title>", "class=",
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"</title>", "<style>", "<![CDATA[>", "example", "background", "color", "yellow", "</style>", "</head>", "<body>", "<div>", "<strong>",
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2017-06-13 11:56:07 +00:00
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"</strong>", "</div>", "</body>", "</html>", "(", "[", "]", ")", "[", "]", "{", "(", ")", "(", ")", "{", "}", "(", ")", ";", "{", ";",
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"}", "]", "]", "#", "/usr/bin/ruby", "#", "/usr/bin/env", "node", "aaa", "#", "/usr/bin/env", "A", "B", "foo", "bar", "awk", "f", "#",
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"python", "func", "Tokenize", "content", "byte", "string", "splitted", "bytes.Fields", "content", "tokens", "othercode", "ppp", "no",
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"comment", "abb", "tokenByte", "notcatchasanumber", "number", "*", "anotherNumber", "if", "isTrue", "isToo", "b", "return", "tokens",
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"oneBool", "varBool", "#ifndef", "#i", "m", "not", "a", "comment", "if", "the", "single", "line", "comment", "symbol", "is", "not",
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"followed", "by", "a", "white", "PyErr_SetString", "PyExc_RuntimeError", "html", "PUBLIC", "xmlns", "id", "class", "This", "is", "a",
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"XHTML", "sample", "file", "type", "#example", "background", "color", "yellow", "id", "Just", "a", "simple", "XHTML", "test", "page.",
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"-", "|", "+", "&&", "<", "<", "-", "!", "!", "!", "=", "=", "!", ":", "=", ":", "=", ",", ",", "=", ">", ">", "=", "=", "=", "=", ">",
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"'", ",", ">", "=", ">", "=", "=", ">", "=", ">", ":", ">", "=", ">"}
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2017-05-25 10:33:26 +00:00
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)
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func TestTokenize(t *testing.T) {
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tests := []struct {
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name string
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content []byte
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expected []string
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}{
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{name: "content", content: []byte(testContent), expected: tokensFromTestContent},
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}
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for _, test := range tests {
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t.Run(test.name, func(t *testing.T) {
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2019-01-29 18:03:09 +00:00
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before := string(test.content)
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2017-05-25 10:33:26 +00:00
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tokens := Tokenize(test.content)
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2019-01-29 18:03:09 +00:00
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after := string(test.content)
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assert.Equal(t, before, after, "the input slice was modified")
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2017-05-25 10:33:26 +00:00
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assert.Equal(t, len(test.expected), len(tokens), fmt.Sprintf("token' slice length = %v, want %v", len(test.expected), len(tokens)))
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for i, expectedToken := range test.expected {
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assert.Equal(t, expectedToken, tokens[i], fmt.Sprintf("token = %v, want %v", tokens[i], expectedToken))
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}
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})
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}
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}
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