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QTTMethodParamRule.cpp
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executable file
·193 lines (172 loc) · 5.65 KB
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#include "oclint/AbstractASTVisitorRule.h"
#include "oclint/RuleSet.h"
#include "oclint/RuleConfiguration.h"
#include <iostream>
using namespace std;
using namespace clang;
using namespace oclint;
class QTTMethodParamRule : public AbstractASTVisitorRule<QTTMethodParamRule>
{
private:
int _threshold;
string _teamname;
public:
virtual const string name() const override
{
return "方法格式规范";
}
virtual int priority() const override
{
return 3;
}
virtual const string category() const override
{
return _teamname + "方法格式";
}
#ifdef DOCGEN
virtual const std::string since() const override
{
return "0.13.1";
}
virtual const std::string description() const override
{
return ""; // TODO: fill in the description of the rule.
}
virtual const std::string example() const override
{
return R"rst(
.. code-block:: cpp
void example()
{
// TODO: modify the example for this rule.
}
)rst";
}
/* fill in the file name only when it does not match the rule identifier
virtual const std::string fileName() const override
{
return "";
}
*/
/* add each threshold's key, description, and its default value to the map.
virtual const std::map<std::string, std::string> thresholds() const override
{
std::map<std::string, std::string> thresholdMapping;
return thresholdMapping;
}
*/
/* add additional document for the rule, like references, notes, etc.
virtual const std::string additionalDocument() const override
{
return "";
}
*/
/* uncomment this method when the rule is enabled to be suppressed.
virtual bool enableSuppress() const override
{
return true;
}
*/
#endif
virtual void setUp() override {
_teamname = RuleConfiguration::stringForKey("TEAM_NAME", "趣头条");
_threshold = RuleConfiguration::intForKey("METHOD_PARAM", 3);
}
virtual void tearDown() override {}
static vector<string> split(const string &str, const string &pattern)
{
char * strc = new char[strlen(str.c_str())+1];
strcpy(strc, str.c_str()); //string转换成C-string
vector<string> res;
char* temp = strtok(strc, pattern.c_str());
while(temp != NULL)
{
res.push_back(string(temp));
temp = strtok(NULL, pattern.c_str());
}
delete[] strc;
return res;
}
static string formatObjcMethodName(string name) {
replace(name.begin(),name.end(),'\r',' ');
replace(name.begin(),name.end(),'\n',' ');
replace(name.begin(),name.end(),'\t',' ');
vector<string> vec = split(name,":");
vector<string> lineVec;
string lPart,rPart;
size_t nMaxDotPos = 0,pos;
for(int i=0;i<vec.size();i++){
string str = vec.at(i);
trim(str);
if(i==0){
lPart = str;
continue;
}
string tmpStr;
pos = str.find(")");
rPart=str.substr(0,pos+1);
tmpStr = str.substr(pos+1,str.length()-pos-1);
trim(tmpStr);
pos = tmpStr.find(" ");
if(pos != string::npos){
rPart+=tmpStr.substr(0,pos+1);
lineVec.push_back(trim(lPart)+":"+trim(rPart));
nMaxDotPos = (lPart.length()>nMaxDotPos?lPart.length():nMaxDotPos);
lPart = tmpStr.substr(pos+1,tmpStr.length()-pos-1);
}
else{
rPart+=tmpStr;
lineVec.push_back(trim(lPart)+":"+trim(rPart));
}
}
if(!lineVec.size() && lPart.length()){
lineVec.push_back(trim(lPart));
}
string joinedStr;
if(lineVec.size()==1){
joinedStr = lineVec.at(0);
}
else{
for(size_t i=0;i!=lineVec.size();i++){
string line = lineVec.at(i);
pos = line.find(":");
string tmpStr(i==0?0:nMaxDotPos-pos,' ');
joinedStr+=tmpStr+line;
if(i!=lineVec.size()-1)
joinedStr+="\n";
}
}
return joinedStr;
}
static inline string <rim(std::string &s) {
s.erase(s.begin(), find_if(s.begin(), s.end(),
not1(ptr_fun<int, int>(isspace))));
return s;
}
// trim from end
static inline string &rtrim(string &s) {
s.erase(find_if(s.rbegin(), s.rend(),
not1(ptr_fun<int, int>(isspace))).base(), s.end());
return s;
}
// trim from both ends
static inline string &trim(string &s) {
return ltrim(rtrim(s));
}
bool VisitObjCMethodDecl(ObjCMethodDecl *node)
{
string name = node->getNameAsString();
if( node->param_size()>_threshold){
string methodDeclStr;
ASTContext *context = _carrier->getASTContext();
SourceLocation begin = node->getSourceRange().getBegin();
SourceLocation end = node->getSourceRange().getEnd(); methodDeclStr.assign(context->getSourceManager().getCharacterData(begin),end.getRawEncoding()-node->getSourceRange().getBegin().getRawEncoding());
string replaceName = formatObjcMethodName(methodDeclStr);
if(methodDeclStr.find(replaceName)){
addViolation(node, this, "方法参数超过"+to_string(_threshold)+"个，需要折行并冒号对齐");
}
}
return true;
}
};
static RuleSet rules(new QTTMethodParamRule());