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c++11 for readline + libwrapper

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This commit is contained in:
Evgeniy Dushistov
2013-07-06 22:44:11 +00:00
parent 7274a61efa
commit 3812fad586
4 changed files with 116 additions and 122 deletions
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104
src/readline.cpp
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@@ -35,65 +35,67 @@
#include "readline.hpp"
#ifndef WITH_READLINE
namespace {
static bool stdio_getline(FILE *in, std::string & str)
{
str.clear();
int ch;
while ((ch=fgetc(in)) != EOF && ch != '\n')
str += ch;
static bool stdio_getline(FILE *in, std::string & str)
{
str.clear();
int ch;
while ((ch=fgetc(in))!=EOF && ch!='\n')
str+=ch;
if (EOF==ch)
return false;
return true;
return EOF != ch;
}
class dummy_readline : public IReadLine {
public:
bool read(const string& banner, string& line) override {
printf("%s", banner.c_str());
return stdio_getline(stdin, line);
}
};
}
class dummy_readline : public read_line {
public:
bool read(const string& banner, string& line) {
printf("%s", banner.c_str());
return stdio_getline(stdin, line);
}
};
#else
class real_readline : public read_line {
namespace {
class real_readline : public IReadLine {
public:
real_readline()
{
rl_readline_name = "sdcv";
using_history();
string histname=(string(g_get_home_dir())+G_DIR_SEPARATOR+".sdcv_history");
read_history(histname.c_str());;
}
~real_readline()
{
string histname=(string(g_get_home_dir())+G_DIR_SEPARATOR+".sdcv_history");
write_history(histname.c_str());
const gchar *hist_size_str=g_getenv("SDCV_HISTSIZE");
int hist_size;
if (!hist_size_str || sscanf(hist_size_str, "%d", &hist_size)<1)
hist_size=2000;
history_truncate_file(histname.c_str(), hist_size);
}
bool read(const string &banner, string& line)
{
char *phrase=NULL;
phrase=readline(banner.c_str());
if (phrase) {
line=phrase;
free(phrase);
return true;
}
return false;
}
void add_to_history(const std::string& phrase) { add_history(phrase.c_str()); }
};
public:
real_readline() {
rl_readline_name = "sdcv";
using_history();
const std::string histname = std::string(g_get_home_dir()) + G_DIR_SEPARATOR + ".sdcv_history";
read_history(histname.c_str());
}
~real_readline() {
const std::string histname = std::string(g_get_home_dir()) + G_DIR_SEPARATOR + ".sdcv_history";
write_history(histname.c_str());
const gchar *hist_size_str=g_getenv("SDCV_HISTSIZE");
int hist_size;
if (!hist_size_str || sscanf(hist_size_str, "%d", &hist_size)<1)
hist_size = 2000;
history_truncate_file(histname.c_str(), hist_size);
}
bool read(const std::string &banner, std::string& line) override {
char *phrase = nullptr;
phrase = readline(banner.c_str());
if (phrase) {
line = phrase;
free(phrase);
return true;
}
return false;
}
void add_to_history(const std::string& phrase) override {
add_history(phrase.c_str());
}
};
}
#endif//WITH_READLINE
read_line *create_readline_object()
IReadLine *create_readline_object()
{
#ifdef WITH_READLINE
return new real_readline;