417 lines
9.2 KiB
C
417 lines
9.2 KiB
C
#include "private.h"
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#include <Elementary.h>
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#include "termio.h"
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#include "sb.h"
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#include "utf8.h"
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#include "utils.h"
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static char *
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_cwd_path_get(const Evas_Object *obj, const char *relpath)
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{
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char cwdpath[PATH_MAX], tmppath[PATH_MAX];
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if (!termio_cwd_get(obj, cwdpath, sizeof(cwdpath)))
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return NULL;
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eina_str_join(tmppath, sizeof(tmppath), '/', cwdpath, relpath);
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return strdup(tmppath);
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}
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static char *
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_home_path_get(const Evas_Object *_obj EINA_UNUSED,
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const char *relpath)
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{
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char tmppath[PATH_MAX], homepath[PATH_MAX];
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if (!homedir_get(homepath, sizeof(homepath)))
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return NULL;
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eina_str_join(tmppath, sizeof(tmppath), '/', homepath, relpath);
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return strdup(tmppath);
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}
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static char *
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_local_path_get(const Evas_Object *obj, const char *relpath)
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{
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if (relpath[0] == '/')
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return strdup(relpath);
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else if (eina_str_has_prefix(relpath, "~/"))
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return _home_path_get(obj, relpath + 2);
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else
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return _cwd_path_get(obj, relpath);
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}
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static Eina_Bool
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_is_file(const char *str)
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{
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switch (str[0])
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{
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case '/':
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return EINA_TRUE;
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case '~':
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if (str[1] == '/')
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return EINA_TRUE;
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return EINA_FALSE;
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case '.':
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if (str[1] == '/')
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return EINA_TRUE;
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else if ((str[1] == '.') && (str[2] == '/'))
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return EINA_TRUE;
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return EINA_FALSE;
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default:
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return EINA_FALSE;
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}
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}
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static int
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_txt_at(Termpty *ty, int *x, int *y, char *txt, int *txtlenp)
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{
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Termcell *cells = NULL;
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Termcell cell;
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ssize_t w;
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cells = termpty_cellrow_get(ty, *y, &w);
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if (!cells || !w)
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goto bad;
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if ((*x >= w))
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goto empty;
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cell = cells[*x];
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if ((cell.codepoint == 0) && (cell.att.dblwidth))
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{
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(*x)--;
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if (*x < 0)
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goto bad;
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cell = cells[*x];
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}
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if (cell.codepoint == 0)
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goto empty;
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*txtlenp = codepoint_to_utf8(cell.codepoint, txt);
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return 0;
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empty:
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txt[0] = '\0';
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*txtlenp = 0;
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return 0;
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bad:
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*txtlenp = 0;
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txt[0] = '\0';
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return -1;
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}
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static int
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_txt_prev_at(Termpty *ty, int *x, int *y, char *txt, int *txtlenp)
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{
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Termcell *cells = NULL;
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Termcell cell;
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ssize_t w;
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(*x)--;
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if ((*x) < 0)
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{
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(*y)--;
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*x = ty->w-1;
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cells = termpty_cellrow_get(ty, *y, &w);
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if (!cells || !w)
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goto bad;
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if ((*x) >= w)
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goto empty;
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cell = cells[*x];
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/* Either the cell is in the normal screen and needs to have
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* autowrapped flag or is in the backlog and its length is larger than
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* the screen, spanning multiple lines */
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if (((!cell.att.autowrapped) && (*y) >= 0)
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|| (w < ty->w))
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goto empty;
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}
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else
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{
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cells = termpty_cellrow_get(ty, *y, &w);
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if (!cells || !w)
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goto bad;
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if ((*x) >= w)
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goto empty;
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cell = cells[*x];
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}
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if ((cell.codepoint == 0) && (cell.att.dblwidth))
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{
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(*x)--;
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if (*x < 0)
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goto bad;
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cell = cells[*x];
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}
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if (cell.codepoint == 0)
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goto empty;
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*txtlenp = codepoint_to_utf8(cell.codepoint, txt);
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return 0;
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empty:
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txt[0] = '\0';
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*txtlenp = 0;
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return 0;
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bad:
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*txtlenp = 0;
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txt[0] = '\0';
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return -1;
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}
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static int
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_txt_next_at(Termpty *ty, int *x, int *y, char *txt, int *txtlenp)
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{
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Termcell *cells = NULL;
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Termcell cell;
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ssize_t w;
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(*x)++;
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cells = termpty_cellrow_get(ty, *y, &w);
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if (!cells || !w)
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goto bad;
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if ((*x) >= w)
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{
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(*y)++;
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if ((*x) <= ty->w)
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{
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cell = cells[w-1];
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if (!cell.att.autowrapped)
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goto empty;
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}
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*x = 0;
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cells = termpty_cellrow_get(ty, *y, &w);
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if (!cells || !w)
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goto bad;
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}
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cell = cells[*x];
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if ((cell.codepoint == 0) && (cell.att.dblwidth))
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{
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(*x)++;
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if (*x >= w)
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{
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cell = cells[w-1];
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if (!cell.att.autowrapped && w == ty->w)
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goto empty;
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(*y)++;
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*x = 0;
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cells = termpty_cellrow_get(ty, *y, &w);
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if (!cells || !w)
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goto bad;
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}
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goto bad;
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}
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cell = cells[*x];
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if (cell.codepoint == 0)
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goto empty;
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*txtlenp = codepoint_to_utf8(cell.codepoint, txt);
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return 0;
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empty:
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txt[0] = '\0';
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*txtlenp = 0;
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return 0;
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bad:
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*txtlenp = 0;
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txt[0] = '\0';
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return -1;
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}
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char *
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termio_link_find(Evas_Object *obj, int cx, int cy,
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int *x1r, int *y1r, int *x2r, int *y2r)
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{
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char *s = NULL;
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char endmatch = 0;
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int x1, x2, y1, y2, w = 0, h = 0, sc;
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Eina_Bool goback = EINA_TRUE, goforward = EINA_FALSE, escaped = EINA_FALSE;
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struct ty_sb sb = {.buf = NULL, .gap = 0, .len = 0, .alloc = 0};
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Termpty *ty = termio_pty_get(obj);
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int res;
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char txt[8];
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int txtlen = 0;
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Eina_Bool was_protocol = EINA_FALSE;
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EINA_SAFETY_ON_NULL_RETURN_VAL(ty, NULL);
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x1 = x2 = cx;
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y1 = y2 = cy;
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termio_size_get(obj, &w, &h);
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if ((w <= 0) || (h <= 0)) goto end;
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sc = termio_scroll_get(obj);
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termpty_backlog_lock();
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y1 -= sc;
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y2 -= sc;
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res = _txt_at(ty, &x1, &y1, txt, &txtlen);
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if ((res != 0) || (txtlen == 0)) goto end;
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res = ty_sb_add(&sb, txt, txtlen);
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if (res < 0) goto end;
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while (goback)
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{
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int new_x1 = x1, new_y1 = y1;
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res = _txt_prev_at(ty, &new_x1, &new_y1, txt, &txtlen);
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if ((res != 0) || (txtlen == 0))
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{
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goback = EINA_FALSE;
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goforward = EINA_TRUE;
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break;
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}
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res = ty_sb_prepend(&sb, txt, txtlen);
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if (res < 0) goto end;
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if (isspace(sb.buf[0]))
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{
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int old_txtlen = txtlen;
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res = _txt_prev_at(ty, &new_x1, &new_y1, txt, &txtlen);
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if ((res != 0) || (txtlen == 0))
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{
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goback = EINA_FALSE;
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goforward = EINA_TRUE;
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break;
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}
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if (txt[0] != '\\')
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{
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ty_sb_lskip(&sb, old_txtlen);
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goback = EINA_FALSE;
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goforward = EINA_TRUE;
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break;
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}
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}
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switch (sb.buf[0])
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{
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case '"': endmatch = '"'; break;
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case '\'': endmatch = '\''; break;
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case '`': endmatch = '`'; break;
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case '<': endmatch = '>'; break;
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case '[': endmatch = ']'; break;
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case '{': endmatch = '}'; break;
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case '(': endmatch = ')'; break;
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case '|': endmatch = '|'; break;
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}
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if (endmatch)
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{
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ty_sb_lskip(&sb, txtlen);
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goback = EINA_FALSE;
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goforward = EINA_TRUE;
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break;
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}
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if (!link_is_protocol(sb.buf))
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{
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if (was_protocol)
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{
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if (!isspace(sb.buf[0]))
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endmatch = sb.buf[0];
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ty_sb_lskip(&sb, txtlen);
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goback = EINA_FALSE;
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goforward = EINA_TRUE;
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break;
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}
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}
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else
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{
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was_protocol = EINA_TRUE;
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}
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x1 = new_x1;
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y1 = new_y1;
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}
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while (goforward)
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{
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int new_x2 = x2, new_y2 = y2;
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/* Check if the previous char is a delimiter */
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res = _txt_next_at(ty, &new_x2, &new_y2, txt, &txtlen);
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if ((res != 0) || (txtlen == 0))
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{
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goforward = EINA_FALSE;
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break;
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}
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/* escaping */
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if (txt[0] == '\\')
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{
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x2 = new_x2;
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y2 = new_y2;
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escaped = EINA_TRUE;
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continue;
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}
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if (escaped)
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{
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x2 = new_x2;
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y2 = new_y2;
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escaped = EINA_FALSE;
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}
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if (isspace(txt[0]) || txt[0] == endmatch)
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{
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goforward = EINA_FALSE;
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break;
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}
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res = ty_sb_add(&sb, txt, txtlen);
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if (res < 0) goto end;
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if (!link_is_protocol(sb.buf))
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{
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if (was_protocol)
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{
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ty_sb_rskip(&sb, txtlen);
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goback = EINA_FALSE;
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}
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}
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else
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{
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was_protocol = EINA_TRUE;
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}
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x2 = new_x2;
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y2 = new_y2;
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}
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if (sb.len)
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{
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Eina_Bool is_file = _is_file(sb.buf);
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if (is_file ||
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link_is_email(sb.buf) ||
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link_is_url(sb.buf))
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{
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if (x1r) *x1r = x1;
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if (y1r) *y1r = y1 + sc;
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if (x2r) *x2r = x2;
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if (y2r) *y2r = y2 + sc;
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if (is_file && (sb.buf[0] != '/'))
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{
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char *local= _local_path_get(obj, (const char*)sb.buf);
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ty_sb_free(&sb);
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s = local;
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goto end;
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}
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else
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{
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s = ty_sb_steal_buf(&sb);
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}
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goto end;
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}
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}
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end:
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termpty_backlog_unlock();
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ty_sb_free(&sb);
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return s;
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}
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