个人项目WordCount(C++/QT)
个人项目WordCount(C++/QT)
GitHub项目地址：https://github.com/Nova-cjp/Word-Count
百度云链接：https://pan.baidu.com/s/1MSOXu0KbuUMJfJ8p8bwMwQ 提取码：jef2
已同步至个人博客：http://www.jpblog.xyz/Word-Count-WC-%E9%A1%B9%E7%9B%AE/
一、PSP表格
| PSP2.1 | Personal Software Process Stages | 预估耗时（分钟） | 实际耗时（分钟） |
|---|---|---|---|
| Planning | 计划 | 10 | 15 |
| · Estimate | · 估计这个任务需要多少时间 | 10 | 15 |
| Development | 开发 | 380 | 1240 |
| · Analysis | · 需求分析 (包括学习新技术) | 90 | 150 |
| · Design Spec | · 生成设计文档 | ---- | 10 |
| · Design Review | · 设计复审 (和同事审核设计文档) | 5 | 5 |
| · Coding Standard | · 代码规范 (为目前的开发制定合适的规范) | 10 | 15 |
| · Design | · 具体设计 | 30 | 60 |
| · Coding | · 具体编码 | 150 | 240 |
| · Code Review | · 代码复审 | 30 | 10 |
| · Test | · 测试（自我测试，修改代码，提交修改） | 60 | 270 |
| Reporting | 报告 | 100 | 40 |
| · Test Report | · 测试报告 | 60 | 15 |
| · Size Measurement | · 计算工作量 | 10 | 10 |
| · Postmortem & Process Improvement Plan | · 事后总结, 并提出过程改进计划 | 30 | 15 |
| 合计 | 515 | 1295 |
二、解题思路
| 2.1 基本需求分析 |
|---|
| wc.exe -x //显示图形界面 |
| wc.exe -s //递归处理目录下符合条件的文件(file.c /file.txt)。 |
| wc.exe -a //返回更复杂的数据（代码行 / 空行 / 注释行） |
| wc.exe -l //返回文件 file.c /file.txt的行数 |
| wc.exe -w //返回文件file.c /file.txt的词的数目 |
| wc.exe -c //返回文件file.c /file.txt 的字符数 |
2.2 实现思路
因为在学校团队使用c++进行开发，对c++比较熟悉，所以选择使用c++进行开发。由于之前从来没有进行过GUI图形界面的开发，一开始并不打算实现高级功能。-l -s -a -w -c都是对文件内容进行处理计算，因此可以针对不同参数的选择对应不同的函数实现，并把函数和计算得出的文件内部属性（行数、字符数等）封装为一个类，属性设置为private，仅允许类函数访问，类函数设置为public，允许外部调用。在程序一开始实例化类对象，然后调用类函数进行处理，避免了多余参数的传递。
后来把基本功能、扩展功能实现完成后考虑进行图形界面的开发，才发现c++可用的图形库并不多（相比于java和python），而且考虑到用高级的图形库进行开发学习时间会较长。经过查阅资料和向同学了解，有三种方案看似可行，第一种是用easyxC++图形库开发，easyx面向初学者简单易上手，第二种是用python进行图形界面的开发（我不熟悉java），然后调用已经写好的C++程序，最后一种借用于Qt Creater中内置的Qt designer进行设计。经过考虑，我最后选择了Qt，easyx实现按键事件并没有对应的函数，虽然易上手但是难实现需求；python只能调用c语言程序，调用c++代码要进行复杂的转换和函数封装。而Qt正是为桌面应用而生，借助于布局界面自动生成部分图形代码，使开发周期大大缩短。
三、设计实现过程
3.1 类和函数
class Twc{
private:
int num_of_characters;//字符数量
int num_of_words;//词数
int num_of_rows;//行数
int num_of_codeLines;//代码行数
int num_of_blankLines;//空白行数
int num_of_commentLines;//注释行数
struct Topt opt;
public:
Twc(){
num_of_characters=num_of_words=num_of_rows\
=num_of_codeLines=num_of_blankLines=num_of_commentLines=0;
opt.s=opt.c=opt.w=opt.l=opt.a=false;
};
void CalRows(FILE *fp);
void CalCharacters(FILE*fp);
void CalWords(FILE*fp);
void CalCodelines(FILE*fp);
void CalCommentlines(FILE*fp);
void ListFiles(string path,string mode);
void Work(char*filename);
void Choose(int argc,char*argv[]);
};
3.2 系统流程图
四、核心代码说明
4.1 统计函数
bool IsCharacter(char ch){//用于判断除制表符、空格、回车之外可见的字符
if(ch=='\t'||ch==' '||ch=='\n')return false;
else return true;
};
bool IsCharacter_(char ch){//用于判断英文字母
if(ch>='0'&&ch<='9')return true;
if(ch>='a'&&ch<='z')return true;
if(ch>='A'&&ch<='Z')return true;
return false;
};
void Twc::CalRows(FILE *fp){//计算行数
char flag=0;int count=0;
while(!feof(fp)){
flag=fgetc(fp);
if(flag=='\n')
count++;
}
num_of_rows=count+1;
cout<<"the number of rows is "<<num_of_rows<<endl;
rewind(fp);//重置文件指针到文件开头准备进行下一步操作
return;
}
void Twc::CalCharacters(FILE *fp){//计算字符数
char flag=0;int count=0;
while(!feof(fp)){
flag=fgetc(fp);
if(IsCharacter(flag))
count++;
}
num_of_characters=count-1;
cout<<"the number of characters is "<<num_of_characters<<endl;
rewind(fp);
return;
}
void Twc::CalWords(FILE*fp){//计算词数
char str[bufsize];
int len;//每行的字符数
int count=0;
while(!feof(fp)){
fgets(str,bufsize,fp);
len=strlen(str);
for(int i=0;i<len;i++)
{
if(IsCharacter_(str[i])){
if(i==0||!IsCharacter_(str[i-1]))
count++;
}
}
}
num_of_words=count;
cout<<"the number of words is "<<num_of_words<<endl;
rewind(fp);
return;
}
void Twc::CalCodelines(FILE*fp){//计算代码行数和空行
char str[bufsize];
int len;
int show_code,code_line,blank_line;//每行可见字符数
show_code=code_line=blank_line=0;
while(!feof(fp)){
fgets(str,bufsize,fp);
len=strlen(str);
for(int i=0;i<len;i++){
if(IsCharacter(str[i]))
show_code++;
}
if(show_code>1)
code_line++;
else
blank_line++;
show_code=0;//置零，计算下一行
}
num_of_codeLines=code_line;
num_of_blankLines=blank_line;
cout<<"the number of code lines is "<<num_of_codeLines<<endl;
cout<<"the number of blank lines is "<<num_of_blankLines<<endl;
rewind(fp);
return;
}
void Twc::CalCommentlines(FILE*fp){//计算注释行
char str[bufsize];
int len;//每行的字符数
int count=0;
int show_comment=0;
bool is_commentline= false;
while(!feof(fp)){
fgets(str,bufsize,fp);
len=strlen(str);
for(int i=0;i<len;i++){
if(IsCharacter(str[i])){
show_comment++;
if(str[i]=='/'){
if(i+1<len&&str[i+1]=='/')
is_commentline= true;
break;
}
if(show_comment>1)
break;
}
}
if(is_commentline==true)
count++;
}
num_of_commentLines =count;
cout<<"the number of comment lines is "<<num_of_commentLines<<endl;
rewind(fp);
return;
}
void Twc::Work(char *filename) {//运行函数
if(opt.s== true){
string mode = filename;
string path=".\\";
ListFiles(path,mode);
return;
}
FILE *fp=fopen(filename,"r");
if(fp==NULL){
cout<<"open file error!"<<endl;
cout<<"Press any key to continue"<<endl;
getchar();
exit(0);
}
if(opt.l==true){
CalRows(fp);
}
if(opt.c== true){
CalCharacters(fp);
}
if(opt.a==true){
CalCodelines(fp);
CalCommentlines(fp);
}
if(opt.w== true){
CalWords(fp);
}
}
void Twc::ListFiles(string path,string mode){//递归处理目录下符合条件的文件
_finddata_t file;
intptr_t HANDLE;
string Onepath = path + mode;
HANDLE = _findfirst(Onepath.c_str(), &file);
if (HANDLE == -1L)
{
cout << "can not match the folder path" << endl;
system("pause");
}
do {
//判断是否有子目录
if (file.attrib & _A_SUBDIR)
{
//判断是否为"."当前目录，".."上一层目录
if ((strcmp(file.name, ".") != 0) && (strcmp(file.name, "..") != 0))
{
string newPath = path +"\\" + file.name;
ListFiles(newPath,mode);
}
}
else
{
cout << file.name << " " << endl;
FILE *fp=fopen(&file.name[0],"r");
if(fp==NULL){
cout<<"open file error!"<<endl;
cout<<"Press any key to continue"<<endl;
getchar();
exit(0);
}
if(opt.l==true){
CalRows(fp);
}
if(opt.c== true){
CalCharacters(fp);
}
if(opt.a==true){
CalCodelines(fp);
CalCommentlines(fp);
}
if(opt.w== true){
CalWords(fp);
}
cout<<"------------------------------"<<endl;
}
} while (_findnext(HANDLE, &file) == 0);
_findclose(HANDLE);
}
void Twc::Choose(int argc,char*argv[]){//参数选择
for(int i=0;i<argc-1;i++){
if(strcmp(argv[i],"-s")==0){
opt.s=true;
}
if(strcmp(argv[i],"-c")==0){
opt.c=true;
}
if(strcmp(argv[i],"-w")==0){
opt.w=true;
}
if(strcmp(argv[i],"-l")==0){
opt.l=true;
}
if(strcmp(argv[i],"-a")==0){
opt.a=true;
}
}
}
4.2 Main函数，是否启用图形界面
int main(int argc, char *argv[])
{
char filename[maxlen_filename];
strcpy(filename,argv[argc-1]);
Twc filefp;
filefp.Choose(argc,argv);
if(filefp.SomethingTrue()){
filefp.Work(filename);
return 0;
}
QApplication a(argc, argv);
MainWindow w;
w.setWindowTitle(QString("word count"));
w.show();
w.setAutoFillBackground(true);
QPalette palette=w.palette();
palette.setBrush(QPalette::Window,QBrush(QPixmap("C:\\Users\\24277\
\\Documents\\WC\\a.PNG").scaled(w.size()\
,Qt::IgnoreAspectRatio,Qt::SmoothTransformation)));
w.setPalette(palette);
return a.exec();
}
五、测试运行
5.1 单文件测试
test.c
运行结果：
5.2 多文件测试
文件夹test
运行结果：
5.3 GUI测试
WC.exe -x打开GUI程序
输入框输入文件路径或点击选择文件按钮调出文件对话框选择文件
连续查询多个文件
六、项目小结
通过这次个人项目，我意识到软件工程学科的重要性（因为开始没有规划GUI扩展导致最后把项目的代码重写了一遍，分出了非GUI界面wc和GUI界面wc两个项目）。软件工程开始时的整体规划对项目的影响非常大，随着我们学习的深入，我们应该多花时间在分析规则上，从而减少开发、debug的时间。借助本次项目，我也学习到了图形界面的开发、main参数的使用、c与python之间的相互调用等，十分难得。
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.cm-s-inner .cm-def { color: rgb(0, 0, 255); }
.cm-s-inner .cm-variable { color: rgb(0, 0, 0); }
.cm-s-inner .cm-variable-2 { color: rgb(0, 85, 170); }
.cm-s-inner .cm-variable-3 { color: rgb(0, 136, 85); }
.cm-s-inner .cm-string { color: rgb(170, 17, 17); }
.cm-s-inner .cm-property { color: rgb(0, 0, 0); }
.cm-s-inner .cm-operator { color: rgb(152, 26, 26); }
.cm-s-inner .cm-comment, .cm-s-inner.cm-comment { color: rgb(170, 85, 0); }
.cm-s-inner .cm-string-2 { color: rgb(255, 85, 0); }
.cm-s-inner .cm-meta { color: rgb(85, 85, 85); }
.cm-s-inner .cm-qualifier { color: rgb(85, 85, 85); }
.cm-s-inner .cm-builtin { color: rgb(51, 0, 170); }
.cm-s-inner .cm-bracket { color: rgb(153, 153, 119); }
.cm-s-inner .cm-tag { color: rgb(17, 119, 0); }
.cm-s-inner .cm-attribute { color: rgb(0, 0, 204); }
.cm-s-inner .cm-header, .cm-s-inner.cm-header { color: rgb(0, 0, 255); }
.cm-s-inner .cm-quote, .cm-s-inner.cm-quote { color: rgb(0, 153, 0); }
.cm-s-inner .cm-hr, .cm-s-inner.cm-hr { color: rgb(153, 153, 153); }
.cm-s-inner .cm-link, .cm-s-inner.cm-link { color: rgb(0, 0, 204); }
.cm-negative { color: rgb(221, 68, 68); }
.cm-positive { color: rgb(34, 153, 34); }
.cm-header, .cm-strong { font-weight: 700; }
.cm-del { text-decoration: line-through; }
.cm-em { font-style: italic; }
.cm-link { text-decoration: underline; }
.cm-error { color: red; }
.cm-invalidchar { color: red; }
.cm-constant { color: rgb(38, 139, 210); }
.cm-defined { color: rgb(181, 137, 0); }
div.CodeMirror span.CodeMirror-matchingbracket { color: rgb(0, 255, 0); }
div.CodeMirror span.CodeMirror-nonmatchingbracket { color: rgb(255, 34, 34); }
.cm-s-inner .CodeMirror-activeline-background { background: inherit; }
.CodeMirror { position: relative; overflow: hidden; }
.CodeMirror-scroll { height: 100%; outline: 0px; position: relative; box-sizing: content-box; background: inherit; }
.CodeMirror-sizer { position: relative; }
.CodeMirror-gutter-filler, .CodeMirror-hscrollbar, .CodeMirror-scrollbar-filler, .CodeMirror-vscrollbar { position: absolute; z-index: 6; display: none; }
.CodeMirror-vscrollbar { right: 0px; top: 0px; overflow: hidden; }
.CodeMirror-hscrollbar { bottom: 0px; left: 0px; overflow: hidden; }
.CodeMirror-scrollbar-filler { right: 0px; bottom: 0px; }
.CodeMirror-gutter-filler { left: 0px; bottom: 0px; }
.CodeMirror-gutters { position: absolute; left: 0px; top: 0px; padding-bottom: 30px; z-index: 3; }
.CodeMirror-gutter { white-space: normal; height: 100%; box-sizing: content-box; padding-bottom: 30px; margin-bottom: -32px; display: inline-block; }
.CodeMirror-gutter-wrapper { position: absolute; z-index: 4; background: 0px 0px !important; border: none !important; }
.CodeMirror-gutter-background { position: absolute; top: 0px; bottom: 0px; z-index: 4; }
.CodeMirror-gutter-elt { position: absolute; cursor: default; z-index: 4; }
.CodeMirror-lines { cursor: text; }
.CodeMirror pre { border-radius: 0px; border-width: 0px; background: 0px 0px; font-family: inherit; font-size: inherit; margin: 0px; white-space: pre; overflow-wrap: normal; color: inherit; z-index: 2; position: relative; overflow: visible; }
.CodeMirror-wrap pre { overflow-wrap: break-word; white-space: pre-wrap; word-break: normal; }
.CodeMirror-code pre { border-right: 30px solid transparent; width: fit-content; }
.CodeMirror-wrap .CodeMirror-code pre { border-right: none; width: auto; }
.CodeMirror-linebackground { position: absolute; left: 0px; right: 0px; top: 0px; bottom: 0px; z-index: 0; }
.CodeMirror-linewidget { position: relative; z-index: 2; overflow: auto; }
.CodeMirror-wrap .CodeMirror-scroll { overflow-x: hidden; }
.CodeMirror-measure { position: absolute; width: 100%; height: 0px; overflow: hidden; visibility: hidden; }
.CodeMirror-measure pre { position: static; }
.CodeMirror div.CodeMirror-cursor { position: absolute; visibility: hidden; border-right: none; width: 0px; }
.CodeMirror div.CodeMirror-cursor { visibility: hidden; }
.CodeMirror-focused div.CodeMirror-cursor { visibility: inherit; }
.cm-searching { background: rgba(255, 255, 0, 0.4); }
@media print {
.CodeMirror div.CodeMirror-cursor { visibility: hidden; }
}
:root {
--side-bar-bg-color: #fafafa;
--control-text-color: #777;
}
@include-when-export url(https://fonts.loli.net/css?family=Open+Sans:400italic,700italic,700,400&subset=latin,latin-ext);
html {
font-size: 16px;
}
body {
font-family: "Open Sans","Clear Sans","Helvetica Neue",Helvetica,Arial,sans-serif;
color: rgb(51, 51, 51);
line-height: 1.6;
}
#write {
max-width: 860px;
margin: 0 auto;
padding: 30px;
padding-bottom: 100px;
}
#write > ul:first-child,
#write > ol:first-child{
margin-top: 30px;
}
a {
color: #4183C4;
}
h1,
h2,
h3,
h4,
h5,
h6 {
position: relative;
margin-top: 1rem;
margin-bottom: 1rem;
font-weight: bold;
line-height: 1.4;
cursor: text;
}
h1:hover a.anchor,
h2:hover a.anchor,
h3:hover a.anchor,
h4:hover a.anchor,
h5:hover a.anchor,
h6:hover a.anchor {
text-decoration: none;
}
h1 tt,
h1 code {
font-size: inherit;
}
h2 tt,
h2 code {
font-size: inherit;
}
h3 tt,
h3 code {
font-size: inherit;
}
h4 tt,
h4 code {
font-size: inherit;
}
h5 tt,
h5 code {
font-size: inherit;
}
h6 tt,
h6 code {
font-size: inherit;
}
h1 {
padding-bottom: .3em;
font-size: 2.25em;
line-height: 1.2;
border-bottom: 1px solid #eee;
}
h2 {
padding-bottom: .3em;
font-size: 1.75em;
line-height: 1.225;
border-bottom: 1px solid #eee;
}
h3 {
font-size: 1.5em;
line-height: 1.43;
}
h4 {
font-size: 1.25em;
}
h5 {
font-size: 1em;
}
h6 {
font-size: 1em;
color: #777;
}
p,
blockquote,
ul,
ol,
dl,
table{
margin: 0.8em 0;
}
li>ol,
li>ul {
margin: 0 0;
}
hr {
height: 2px;
padding: 0;
margin: 16px 0;
background-color: #e7e7e7;
border: 0 none;
overflow: hidden;
box-sizing: content-box;
}
li p.first {
display: inline-block;
}
ul,
ol {
padding-left: 30px;
}
ul:first-child,
ol:first-child {
margin-top: 0;
}
ul:last-child,
ol:last-child {
margin-bottom: 0;
}
blockquote {
border-left: 4px solid #dfe2e5;
padding: 0 15px;
color: #777777;
}
blockquote blockquote {
padding-right: 0;
}
table {
padding: 0;
word-break: initial;
}
table tr {
border-top: 1px solid #dfe2e5;
margin: 0;
padding: 0;
}
table tr:nth-child(2n),
thead {
background-color: #f8f8f8;
}
table tr th {
font-weight: bold;
border: 1px solid #dfe2e5;
border-bottom: 0;
margin: 0;
padding: 6px 13px;
}
table tr td {
border: 1px solid #dfe2e5;
margin: 0;
padding: 6px 13px;
}
table tr th:first-child,
table tr td:first-child {
margin-top: 0;
}
table tr th:last-child,
table tr td:last-child {
margin-bottom: 0;
}
.CodeMirror-lines {
padding-left: 4px;
}
.code-tooltip {
box-shadow: 0 1px 1px 0 rgba(0,28,36,.3);
border-top: 1px solid #eef2f2;
}
.md-fences,
code,
tt {
border: 1px solid #e7eaed;
background-color: #f8f8f8;
border-radius: 3px;
padding: 0;
padding: 2px 4px 0px 4px;
font-size: 0.9em;
}
code {
background-color: #f3f4f4;
padding: 0 2px 0 2px;
}
.md-fences {
margin-bottom: 15px;
margin-top: 15px;
padding-top: 8px;
padding-bottom: 6px;
}
.md-task-list-item > input {
margin-left: -1.3em;
}
@media print {
html {
font-size: 13px;
}
table,
pre {
page-break-inside: avoid;
}
pre {
word-wrap: break-word;
}
}
.md-fences {
background-color: #f8f8f8;
}
#write pre.md-meta-block {
padding: 1rem;
font-size: 85%;
line-height: 1.45;
background-color: #f7f7f7;
border: 0;
border-radius: 3px;
color: #777777;
margin-top: 0 !important;
}
.mathjax-block>.code-tooltip {
bottom: .375rem;
}
.md-mathjax-midline {
background: #fafafa;
}
#write>h3.md-focus:before{
left: -1.5625rem;
top: .375rem;
}
#write>h4.md-focus:before{
left: -1.5625rem;
top: .285714286rem;
}
#write>h5.md-focus:before{
left: -1.5625rem;
top: .285714286rem;
}
#write>h6.md-focus:before{
left: -1.5625rem;
top: .285714286rem;
}
.md-image>.md-meta {
/*border: 1px solid #ddd;*/
border-radius: 3px;
padding: 2px 0px 0px 4px;
font-size: 0.9em;
color: inherit;
}
.md-tag {
color: #a7a7a7;
opacity: 1;
}
.md-toc {
margin-top:20px;
padding-bottom:20px;
}
.sidebar-tabs {
border-bottom: none;
}
#typora-quick-open {
border: 1px solid #ddd;
background-color: #f8f8f8;
}
#typora-quick-open-item {
background-color: #FAFAFA;
border-color: #FEFEFE #e5e5e5 #e5e5e5 #eee;
border-style: solid;
border-width: 1px;
}
/** focus mode */
.on-focus-mode blockquote {
border-left-color: rgba(85, 85, 85, 0.12);
}
header, .context-menu, .megamenu-content, footer{
font-family: "Segoe UI", "Arial", sans-serif;
}
.file-node-content:hover .file-node-icon,
.file-node-content:hover .file-node-open-state{
visibility: visible;
}
.mac-seamless-mode #typora-sidebar {
background-color: #fafafa;
background-color: var(--side-bar-bg-color);
}
.md-lang {
color: #b4654d;
}
.html-for-mac .context-menu {
--item-hover-bg-color: #E6F0FE;
}
#md-notification .btn {
border: 0;
}
.dropdown-menu .divider {
border-color: #e5e5e5;
}
.ty-preferences .window-content {
background-color: #fafafa;
}
.ty-preferences .nav-group-item.active {
color: white;
background: #999;
}
-->
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