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#include <readline/readline.h>
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#include <readline/history.h>
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#define HISTORY_FILE "~/.calpaca_history"
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bool line_initialized =false;
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char *line_command_generator(const char *text, int state) {
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static int list_index, len;
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const char *commands[] = {"help", "exit", "list", "review","refactor","opfuscate", NULL};
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if (!state) {
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list_index = 0;
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len = strlen(text);
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}
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while (commands[list_index]) {
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const char *command = commands[list_index++];
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if (strncmp(command, text, len) == 0) {
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return strdup(command);
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}
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}
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return NULL;
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}
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char **line_command_completion(const char *text, int start, int end) {
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rl_attempted_completion_over = 1;
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return rl_completion_matches(text, line_command_generator);
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}
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void line_init(){
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if(!line_initialized)
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{
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rl_attempted_completion_function = line_command_completion;
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line_initialized = true;
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read_history(HISTORY_FILE);
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}
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}
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char * line_read(char * prefix) {
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char * data = readline(prefix);
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if(!(data || *data)){
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return NULL;
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}
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return data;
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}
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void line_add_history(char * data){
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read_history(HISTORY_FILE);
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add_history(data);
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write_history(HISTORY_FILE);
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} |