line.h

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#pragma once
 
#include <string>
 
 
namespace teditor {
 
 
class Line {
public:
  Line() {}
 
  void append(char c) { line.push_back(c); }
  void append(const char* c) { line += c; }
  void append(const std::string& str) { line += str; }
  void prepend(char c) { insert(c, 0); }
  void prepend(const char* c) { insert(c, 0); }
  void prepend(char c, int count);
  void insert(char c, int idx);
  void insert(const char* c, int idx);
  void insert(const std::string& str, int idx);
  std::string erase(int idx, int len=1);
 
  Line split(int idx);
  void join(const Line& other);
  int numLinesNeeded(int wid) const;
 
  bool empty() const { return line.empty(); }
 
  int length() const { return (int)line.length(); }
 
  const std::string& get() const { return line; }
 
  char at(int idx) const { return line[idx]; }
 
  void clear() { line.clear(); }
 
  int findFirstNotOf(const std::string& str, int pos) const;
 
  int findLastNotOf(const std::string& str, int pos) const;
 
  int indentSize() const;
 
private:
  std::string line;
};
 
 
bool LineCompare(const Line& a, const Line& b);
 
}; // end namespace teditor