重写Shell+增加更多Syscall

cleonos/c/apps/shell/shell_internal.h

@@ -0,0 +1,74 @@
+#ifndef CLEONOS_USER_SHELL_INTERNAL_H
+#define CLEONOS_USER_SHELL_INTERNAL_H
+
+#include <cleonos_syscall.h>
+
+typedef long long i64;
+
+#define USH_CMD_MAX          32ULL
+#define USH_ARG_MAX         160ULL
+#define USH_LINE_MAX        192ULL
+#define USH_PATH_MAX        192ULL
+#define USH_CAT_MAX         512ULL
+#define USH_SCRIPT_MAX     1024ULL
+#define USH_CLEAR_LINES      56ULL
+#define USH_HISTORY_MAX      16ULL
+
+#define USH_KEY_LEFT    ((char)0x01)
+#define USH_KEY_RIGHT   ((char)0x02)
+#define USH_KEY_UP      ((char)0x03)
+#define USH_KEY_DOWN    ((char)0x04)
+#define USH_KEY_HOME    ((char)0x05)
+#define USH_KEY_END     ((char)0x06)
+#define USH_KEY_DELETE  ((char)0x07)
+
+typedef struct ush_state {
+    char line[USH_LINE_MAX];
+    u64 line_len;
+    u64 cursor;
+    u64 rendered_len;
+
+    char cwd[USH_PATH_MAX];
+
+    char history[USH_HISTORY_MAX][USH_LINE_MAX];
+    u64 history_count;
+    i64 history_nav;
+    char nav_saved_line[USH_LINE_MAX];
+    u64 nav_saved_len;
+    u64 nav_saved_cursor;
+
+    u64 cmd_total;
+    u64 cmd_ok;
+    u64 cmd_fail;
+    u64 cmd_unknown;
+} ush_state;
+
+void ush_init_state(ush_state *sh);
+
+u64 ush_strlen(const char *str);
+int ush_streq(const char *left, const char *right);
+int ush_is_space(char ch);
+int ush_is_printable(char ch);
+int ush_has_suffix(const char *name, const char *suffix);
+int ush_contains_char(const char *text, char needle);
+int ush_parse_u64_dec(const char *text, u64 *out_value);
+void ush_copy(char *dst, u64 dst_size, const char *src);
+void ush_trim_line(char *line);
+void ush_parse_line(const char *line, char *out_cmd, u64 cmd_size, char *out_arg, u64 arg_size);
+
+void ush_write(const char *text);
+void ush_write_char(char ch);
+void ush_writeln(const char *text);
+void ush_prompt(const ush_state *sh);
+void ush_write_hex_u64(u64 value);
+void ush_print_kv_hex(const char *label, u64 value);
+
+int ush_resolve_path(const ush_state *sh, const char *arg, char *out_path, u64 out_size);
+int ush_resolve_exec_path(const ush_state *sh, const char *arg, char *out_path, u64 out_size);
+int ush_path_is_under_system(const char *path);
+
+void ush_read_line(ush_state *sh, char *out_line, u64 out_size);
+int ush_run_script_file(ush_state *sh, const char *path);
+void ush_execute_line(ush_state *sh, const char *line);
+
+#endif