9 /** @brief Minimal string class with std::string like behaviour that fulfills the JavaCC
10 * string requirements.
19 VhdlString(const VhdlString &other)
21 m_str = (char*)malloc(other.m_len+1);
22 memcpy(m_str,other.m_str,other.m_len);
26 VhdlString &operator=(const VhdlString &other)
31 m_str = (char*)malloc(other.m_len+1);
32 memcpy(m_str,other.m_str,other.m_len);
38 VhdlString(const char *s)
41 m_str=(char*)malloc(m_len+1);
42 memcpy(m_str,s,m_len+1);
44 VhdlString(const char *s,int size)
46 m_str = (char*)malloc(size+1);
55 VhdlString& append(const char *s,int size)
61 m_str = (char*)realloc(m_str,m_len);
62 memcpy(m_str+oldlen,s,m_len-oldlen-1);
67 VhdlString& append(const char *s)
69 return append(s,strlen(s));
71 VhdlString& append(const VhdlString &other)
73 return append(other.m_str,other.m_len);
75 VhdlString substr(int pos=0,int len=-1)
77 return VhdlString(m_str?m_str+pos:0,len==-1?m_len-pos:m_len);
79 int copy(char *s,int len,int pos=0) const
82 if (pos>=m_len) { s[0]=0; return 0; }
83 int r=m_len<pos+len ? m_len-pos : len;
84 memcpy(s,m_str+pos,r);
87 const char *c_str() const { return m_str; }
88 const char *data() const { return m_str; }
89 int size() const { return m_len; }
90 int length() const { return m_len; }
91 char & operator[](int i) { return m_str[i]; }
92 const char &operator[](int i) const { return m_str[i]; }
93 void clear() { free(m_str); init(); }
94 VhdlString &operator+=(char c) { char s[2]; s[0]=c; s[1]=0; return append(s); }
95 VhdlString &operator+=(const char *s) { return append(s); }
98 void init() { m_str=(char*)calloc(1,1); m_len=0; }