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- #include "cmdlinelib.h"
- #include "command.h"
- #include <gpxe/tables.h>
- #include <console.h>
- #include <malloc.h>
- #include <string.h>
- #include <stdarg.h>
-
- static struct command cmd_start[0] __table_start ( commands );
- static struct command cmd_end[0] __table_end ( commands );
-
- void cmdl_setgetchar(cmd_line* cmd, cmdl_getchar_t in)
- {
- cmd->getchar = in;
- }
-
- void cmdl_setputchar(cmd_line* cmd, cmdl_putchar_t in)
- {
- cmd->putchar = in;
- }
-
- void cmdl_setprintf(cmd_line* cmd, cmdl_printf_t in)
- {
- cmd->printf = in;
- }
-
- int cmdl_getexit(cmd_line* cmd)
- {
- if(cmdl_check(cmd) && !cmd->exit){
- return 0;
- }else{
- return 1;
- }
-
- }
-
- void cmdl_setexit(cmd_line* cmd, int exit)
- {
- if(cmdl_check(cmd)){
- cmd->exit = exit;
- }
- }
-
- int cmdl_printf(cmd_line* cmd, const char *format, ...)
- {
- int ret;
- char string[CMDL_BUFFER_SIZE];
- va_list ap;
-
- va_start(ap, format);
- ret = vsprintf(string, format, ap);
- cmdl_addstr(cmd, string);
- va_end(ap);
- return ret;
- }
-
- void cmdl_addstr(cmd_line* cmd, char* str)
- {
- unsigned int i;
- for(i = 0; i < strlen(str); i++){
- cmdl_addchar(cmd, str[i]);
- }
- }
-
- /*void cmdl_addoutput_str(cmd_line* cmd, char output[CMDL_OUTPUT_SIZE])
- {
- if(cmdl_check(cmd) && output != NULL){
- if(!cmd->has_output){
- cmdl_clearoutput(cmd);
- }
- strncat(cmd->output, output, CMDL_OUTPUT_SIZE);
- cmd->has_output = 1;
- }
- }*/
-
- /*char* cmdl_getoutput(cmd_line* cmd)
- {
- if(cmdl_check(cmd) && cmd->has_output){
- cmd->has_output = 0;
- return cmd->output;
- }else{
- return "";
- }
- }*/
-
- void cmdl_setpropmt(cmd_line* cmd, char prompt[CMDL_PROMPT_SIZE])
- {
- if(cmdl_check(cmd) && prompt != NULL){
- strncat(cmd->prompt, prompt, CMDL_PROMPT_SIZE);
- }
- }
-
- char *cmdl_getprompt(cmd_line* cmd)
- {
- if(cmdl_check(cmd)){
- return cmd->prompt;
- }else{
- return "";
- }
- }
-
- char* cmdl_getbuffer(cmd_line* cmd){
- if(cmdl_check(cmd)){
- return cmd->buffer;
- }else{
- return "";
- }
- }
-
- void cmdl_enterloop(cmd_line* cmd)
- {
- while(!cmdl_getexit(cmd)){
- if(cmd->refresh){
- cmd->printf("%s %s", cmd->prompt, cmd->buffer);
- cmd->refresh = 0;
- }
- // cmd->printf("Got %d\n", cmd->getchar());
- cmdl_parsechar(cmd, cmd->getchar());
- }
- }
-
- void cmdl_addreplace(cmd_line* cmd, char in)
- {
- if(cmd->cursor < CMDL_BUFFER_SIZE - 2){
- cmd->buffer[cmd->cursor] = in;
- cmd->cursor++;
- cmd->putchar((int)in);
- }
- }
-
- void cmdl_addinsert(cmd_line* cmd, char in)
- {
- int i;
- int to;
- if(cmd->cursor < CMDL_BUFFER_SIZE - 2 && cmd->cursor >= 0){
- if(strlen(cmd->buffer) < CMDL_BUFFER_SIZE - 2){
- to = strlen(cmd->buffer);
- }else{
- to = CMDL_BUFFER_SIZE - 2;
- }
- for(i=to; i > cmd->cursor; i--){
- cmd->buffer[i] = cmd->buffer[i-1];
- }
- cmd->buffer[cmd->cursor] = in;
-
- for(i=cmd->cursor; i < to; i++){
- cmd->putchar(cmd->buffer[i]);
- }
-
- for(i=cmd->cursor; i < to - 1; i++){
- cmd->putchar(CMDLK_BS);
- }
- cmd->cursor++;
- //cmdl_movecursor(cmd, CMDL_RIGHT);
- }
- }
-
- void cmdl_addchar(cmd_line* cmd, char in){
- if(cmd->insert){
- cmdl_addinsert(cmd, in);
- }else{
- cmdl_addreplace(cmd, in);
- }
- }
-
- void cmdl_parsechar(cmd_line* cmd, char in)
- {
- if(cmdl_check(cmd)){
- if(in >= 32){
- cmdl_addchar(cmd, in);
- }else{
- switch(in){
- case CMDLK_BS:
- if(cmdl_movecursor(cmd, CMDL_LEFT)){
- cmdl_del(cmd);
- }
- break;
-
- case CMDLK_RETURN:
- cmd->putchar('\n');
- cmdl_exec(cmd);
- cmd->refresh = 1;
- break;
-
- case CMDLK_BW:
- cmdl_movecursor(cmd, CMDL_LEFT);
- break;
-
- case CMDLK_FW:
- //cmdl_movecursor(cmd, CMDL_RIGHT);
- break;
-
- case CMDLK_TAB:
- cmdl_tabcomplete(cmd);
- break;
-
- }
- }
- }
- }
-
- void cmdl_tabcomplete(cmd_line *cmd)
- {
- struct command *ccmd;
- int count=0;
- char* result[CMDL_MAX_TAB_COMPLETE_RESULT];
-
- for ( ccmd = cmd_start ; ccmd < cmd_end ; ccmd++ ) {
- if(!strncmp(ccmd->name, cmd->buffer, strlen(cmd->buffer))){
- if(count <= CMDL_MAX_TAB_COMPLETE_RESULT){
- result[count++] = (char*)(ccmd->name);
- }
- }
- }
-
-
- if( count == 1 ){
- cmdl_addstr(cmd, (char*)(result[0] + strlen(cmd->buffer)));
- cmd->tabstate = 0;
- cmdl_addchar(cmd, ' ');
- } else if( count > 1 ) {
- int i, i2, minlen=CMDL_BUFFER_SIZE, same=1;
- char last;
-
- for(i = 0; i < count; i ++) {
- if(minlen > (int)strlen( result[i] ) ){
- minlen = strlen(result[i]);
- }
-
- }
- if((int)strlen(cmd->buffer) < minlen){
- for(i = strlen(cmd->buffer); i < minlen; i++){
- last = result[0][i];
- for(i2 = 1; i2 < count; i2 ++) {
- if(result[i2][i] != last){
- same = 0;
- break;
- }
- }
- if(same){
- cmdl_addchar(cmd, last);
- }
-
- }
- }
- cmd->tabstate++;
- }
-
- if(count > 1 && cmd->tabstate > 1){
- int i;
- cmd->tabstate = 0;
- cmd->refresh = 1;
- cmd->putchar('\n');
- for(i = 0; i < count; i ++){
- cmd->printf("%s\t", result[i]);
- }
- cmd->putchar('\n');
- }
-
-
-
- }
-
-
- void cmdl_exec(cmd_line* cmd)
- {
- cmdl_param_list* params;
- int unknown=1;
- struct command *ccmd;
-
- params = cmdl_getparams(cmd->buffer);
-
- if(params == NULL){
- cmdl_clearbuffer(cmd);
- return;
- }
-
- if(params->argc > 0){
- if(!strcmp(params->argv[0], "exit") || !strcmp(params->argv[0], "quit")){
- cmdl_setexit(cmd, 1);
- /* }else if(!strcmp(params->argv[0], "help")){
- if(params->argc > 1){
- cmdl_builtin_help(cmd, params->argv[1]);
- }else{
- cmdl_builtin_help(cmd, "");
- }*/
- }else{
- for ( ccmd = cmd_start ; ccmd < cmd_end ; ccmd++ ) {
- if(!strcmp(ccmd->name, params->argv[0])){
- unknown = 0;
- ccmd->exec(params->argc, params->argv);
- break;
- }
- }
- if(unknown){
- cmd->printf("%s: unknown command\n", params->argv[0]);
- }
- }
- }
-
- free(params);
- cmdl_clearbuffer(cmd);
- }
-
- /*void cmdl_builtin_help(cmd_line* cmd, char* command){
- struct command *ccmd;
- int unknown = 1;
- if(strcmp(command, "") == 0){
- cmd->printf("Built in commands:\n\n\thelp\t\tCommand usage help (\"help help\" for more info)\n\texit, quit\t\tExit the command line and boot\n\nCompiled in commands:\n\n");
-
- for ( ccmd = cmd_start ; ccmd < cmd_end ; ccmd++ ) {
- cmd->printf ("\t%s\t\t%s\n", ccmd->name, ccmd->desc );
- }
- }else{
- if(!strcmp(command, "help")){
- cmd->printf("help - The help command\n\nUsage: help <command>\n\n\tExample:\n\t\thelp help\n");
- }else if(!strcmp(command, "exit") || !strcmp(command, "quit")){
- cmd->printf("exit, quit - The quit command\n\nUsage:\nquit or exit\n\n\tExample:\n\t\texit\n");
- }else{
- for ( ccmd = cmd_start ; ccmd < cmd_end ; ccmd++ ) {
- if(!strcmp(ccmd->name, command)){
- unknown = 0;
- cmd->printf ("\t%s - %s\n\nUsage:\n%s\n", ccmd->name, ccmd->desc, ccmd->usage );
- break;
- }
- if(unknown){
- cmd->printf("\"%s\" isn't compiled in (does it exist?).\n", command);
- }
- }
- }
-
- }
- }*/
-
- cmdl_param_list* cmdl_getparams(const char* command){
- cmdl_param_list* this;
- char *result = NULL;
- int count=0;
- char *command2;
-
- this = (cmdl_param_list*)malloc(sizeof(cmdl_param_list));
-
- if(this == NULL){
- return NULL;
- }
-
- command2 = malloc(strlen(command) + 1);
-
- this->argc=0;
-
- strcpy(command2, command);
- result = strtok(command2, " ");
-
- while( result != NULL ) {
- this->argc++;
- result = strtok( NULL, " ");
- }
-
- this->argv = (char**)malloc(sizeof(char*) * this->argc);
- if(this->argv == NULL){
- free(this);
- return NULL;
- }
-
-
- strcpy(command2, command);
- result = strtok(command2, " ");
-
- while( result != NULL && this->argc > count) {
- this->argv[count] = (char*)malloc(sizeof(char) * (strlen(result) + 1));
- if(this->argv[count] == NULL){
- free(this);
- return NULL;
- }
- strcpy(this->argv[count], result);
- count++;
- result = strtok( NULL, " ");
- }
- free(command2);
- return this;
- }
-
- /*char* cmdl_parse_getcmd(cmd_line* cmd){
- int i;
- char* ret;
- ret = (char*)malloc(1);
- ret[0] = 0;
-
- for(i=0; i < CMDL_BUFFER_SIZE - 1; i++){
- if(cmd->buffer[i + 1] == ' ' || cmd->buffer[i + 1] == '\0'){
- free(ret);
- ret = (char*)malloc(i+1);
- strncat(ret, cmd->buffer, i+1);
- break;
- }
- }
- return ret;
- }*/
-
- void cmdl_clearbuffer(cmd_line* cmd)
- {
- if(cmdl_check(cmd)){
- int i;
- cmd->cursor = 0;
- for(i=0; i < CMDL_BUFFER_SIZE; i++){
- cmd->buffer[i] = 0;
- }
- }
- }
-
- /*void cmdl_clearoutput(cmd_line* cmd)
- {
- if(cmdl_check(cmd)){
- int i;
- for(i=0; i < CMDL_OUTPUT_SIZE; i++){
- cmd->output[i] = 0;
- }
- }
- }*/
-
- int cmdl_movecursor(cmd_line* cmd, int direction)
- {
- if(cmdl_check(cmd)){
- switch(direction){
- case CMDL_LEFT:
- if(cmd->cursor > 0){
- cmd->cursor--;
- cmd->putchar(CMDLK_BS);
- }else{
- return 0;
- }
- break;
- case CMDL_RIGHT:
- if(cmd->cursor < CMDL_BUFFER_SIZE - 2){
- cmd->cursor++;
- cmd->putchar(' ');
- }else{
- return 0;
- }
- break;
- }
- }
- return 1;
- }
-
- void cmdl_del(cmd_line* cmd)
- {
- if(cmdl_check(cmd) && cmd->cursor < CMDL_BUFFER_SIZE - 2 && cmd->cursor >= 0){
- int i;
- for(i = cmd->cursor; i < (int)strlen(cmd->buffer); i++){
- cmd->buffer[i] = cmd->buffer[i + 1];
- if(!cmd->buffer[i]){
- cmd->putchar(' ');
- }else{
- cmd->putchar(cmd->buffer[i]);
- }
- }
- for(i = cmd->cursor; i < (int)strlen(cmd->buffer) + 1; i++){
- cmd->putchar(CMDLK_BS);
- }
- }
- }
-
-
- int cmdl_check(cmd_line* cmd)
- {
- if(
- cmd != NULL &&
- cmd->buffer != NULL &&
- cmd->prompt != NULL &&
- cmd->cursor >= 0 &&
- cmd->cursor < CMDL_BUFFER_SIZE - 1 &&
- cmd->buffer[CMDL_BUFFER_SIZE - 1] == 0 &&
- cmd->prompt[CMDL_PROMPT_SIZE - 1] == 0
- ){
- return 1;
- }else{
- return 0;
- }
- }
-
- cmd_line* cmdl_create()
- {
- cmd_line* this;
- int i;
-
- /* Initiate the command line */
-
- this = (cmd_line*)malloc(sizeof(cmd_line));
-
- if(this == NULL){
- return NULL;
- }
-
-
- /* Allocate output buffer */
-
- /*this->output = (char*)malloc(CMDL_OUTPUT_SIZE);
- if(this->output == NULL){
- free(this);
- return NULL;
- }*/
-
- /* for(i = 0; i < CMDL_OUTPUT_SIZE; i++){
- this->output[i] = 0;
- }*/
-
- /* Allocate command line buffer */
-
- this->buffer = (char*)malloc(CMDL_BUFFER_SIZE);
- if(this->buffer == NULL){
- free(this);
- return NULL;
- }
-
- for(i = 0; i < CMDL_BUFFER_SIZE; i++){
- this->buffer[i] = 0;
- }
-
- /* Allocate prompt buffer */
-
- this->prompt = (char*)malloc(CMDL_PROMPT_SIZE);
- if(this->prompt == NULL){
- free(this);
- return NULL;
- }
-
- for(i = 0; i < CMDL_PROMPT_SIZE; i++){
- this->prompt[i] = 0;
- }
-
- /* Initiate cursor position etc.*/
-
- this->cursor = 0;
- //this->has_output = 0;
- this->exit = 0;
- this->refresh = 1;
- this->tabstate = 0;
- this->insert = 0;
-
- /* set callbacks to NULL */
-
- this->getchar = NULL;
- this->putchar = NULL;
- this->printf = NULL;
-
- /* List the commands */
-
- struct command *cmd;
-
- printf ( "Compiled in commands: ");
- for ( cmd = cmd_start ; cmd < cmd_end ; cmd++ ) {
- printf("%s ", cmd->name);
- }
- printf("\n");
-
- return this;
- }
-
- void cmdl_free(cmd_line* cmd)
- {
- free(cmd);
- }
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