1097 lines
26 KiB
C
1097 lines
26 KiB
C
#include "private.h"
|
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#include <Elementary.h>
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#include <assert.h>
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#include "termpty.h"
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#include "backlog.h"
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#include "termiolink.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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__attribute__((const))
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static Eina_Bool
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_isspace_unicode(const int codepoint)
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{
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switch (codepoint)
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{
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case 9: // character tabulation
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return EINA_TRUE;
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case 10: // line feed
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return EINA_TRUE;
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case 11: // line tabulation
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return EINA_TRUE;
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case 12: // form feed
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return EINA_TRUE;
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case 13: // carriage return
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return EINA_TRUE;
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case 32: // space
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return EINA_TRUE;
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case 133: // next line
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return EINA_TRUE;
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case 160: // no-break space
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return EINA_TRUE;
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case 5760: // ogham space mark
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return EINA_TRUE;
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case 6158: // mongolian vowel separator
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return EINA_TRUE;
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case 8192: // en quad
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return EINA_TRUE;
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case 8193: // em quad
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return EINA_TRUE;
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case 8194: // en space
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return EINA_TRUE;
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case 8195: // em space
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return EINA_TRUE;
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case 8196: // three-per-em space
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return EINA_TRUE;
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case 8197: // four-per-em space
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return EINA_TRUE;
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case 8198: // six-per-em space
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return EINA_TRUE;
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case 8199: // figure space
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return EINA_TRUE;
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case 8200: // puncturation space
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return EINA_TRUE;
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case 8201: // thin space
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return EINA_TRUE;
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case 8202: // hair space
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return EINA_TRUE;
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case 8203: // zero width space
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return EINA_TRUE;
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case 8204: // zero width non-joiner
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return EINA_TRUE;
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case 8205: // zero width joiner
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return EINA_TRUE;
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case 8232: // line separator
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return EINA_TRUE;
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case 8233: // paragraph separator
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return EINA_TRUE;
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case 8239: // narrow no-break space
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return EINA_TRUE;
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case 8287: // medium mathematical space
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return EINA_TRUE;
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case 8288: // word joiner
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return EINA_TRUE;
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case 12288: // ideographic space
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return EINA_TRUE;
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case 65279: // zero width non-breaking space
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return EINA_TRUE;
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}
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return EINA_FALSE;
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}
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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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/* isalpha() may produce unsigned-integer-overflow
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* runtime error: unsigned integer overflow: 32 - 97 cannot be represented in
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* type 'unsigned int'
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* int isalpha(int c)
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* {
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* return ((unsigned)c|32)-'a' < 26;
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* }
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*/
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#if defined(__clang__)
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__attribute__((no_sanitize("unsigned-integer-overflow")))
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#endif
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Eina_Bool
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link_is_protocol(const char *str)
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{
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const char *p = str;
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int c;
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if (!str)
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return EINA_FALSE;
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c = *p;
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if (!isalpha(c))
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return EINA_FALSE;
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/* Try to follow RFC3986 a bit
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* URI = scheme ":" hier-part [ "?" query ] [ "#" fragment ]
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* hier-part = "//" authority path-abempty
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* [...] other stuff not taken into account
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* scheme = ALPHA *( ALPHA / DIGIT / "+" / "-" / "." )
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*/
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do
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{
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p++;
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c = *p;
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}
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while (isalpha(c) || (c == '.') || (c == '-') || (c == '+'));
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return (p[0] == ':') && (p[1] == '/') && (p[2] == '/');
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}
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Eina_Bool
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link_is_url(const char *str)
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{
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if (!str)
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return EINA_FALSE;
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if (link_is_protocol(str) ||
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casestartswith(str, "www.") ||
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casestartswith(str, "ftp."))
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return EINA_TRUE;
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return EINA_FALSE;
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}
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Eina_Bool
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link_is_email(const char *str)
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{
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const char *at;
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if (!str)
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return EINA_FALSE;
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at = strchr(str, '@');
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if (at && strchr(at + 1, '.'))
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return EINA_TRUE;
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if (casestartswith(str, "mailto:"))
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return EINA_TRUE;
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return EINA_FALSE;
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}
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Eina_Bool
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link_is_file(const char *str)
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{
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if (!str)
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return EINA_FALSE;
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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, int *codepointp)
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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) || (cell.att.link_id))
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goto empty;
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*txtlenp = codepoint_to_utf8(cell.codepoint, txt);
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*codepointp = cell.codepoint;
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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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*codepointp = 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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int *codepointp)
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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) || (cell.att.link_id))
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goto empty;
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*txtlenp = codepoint_to_utf8(cell.codepoint, txt);
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*codepointp = cell.codepoint;
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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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*codepointp = 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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int *codepointp)
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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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||
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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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{
|
||
(*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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*x = 0;
|
||
cells = termpty_cellrow_get(ty, *y, &w);
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if (!cells || !w)
|
||
goto bad;
|
||
}
|
||
|
||
cell = cells[*x];
|
||
if ((cell.codepoint == 0) && (cell.att.dblwidth))
|
||
{
|
||
(*x)++;
|
||
if (*x >= w)
|
||
{
|
||
cell = cells[w-1];
|
||
if (!cell.att.autowrapped && w == ty->w)
|
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goto empty;
|
||
(*y)++;
|
||
*x = 0;
|
||
cells = termpty_cellrow_get(ty, *y, &w);
|
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if (!cells || !w)
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||
goto bad;
|
||
}
|
||
goto bad;
|
||
}
|
||
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cell = cells[*x];
|
||
if ((cell.codepoint == 0) || (cell.att.link_id))
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goto empty;
|
||
|
||
*txtlenp = codepoint_to_utf8(cell.codepoint, txt);
|
||
*codepointp = cell.codepoint;
|
||
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return 0;
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empty:
|
||
txt[0] = '\0';
|
||
*txtlenp = 0;
|
||
*codepointp = 0;
|
||
return 0;
|
||
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||
bad:
|
||
*txtlenp = 0;
|
||
txt[0] = '\0';
|
||
return -1;
|
||
}
|
||
|
||
/* returned string must be freed */
|
||
char *
|
||
termio_link_find(const Evas_Object *obj, int cx, int cy,
|
||
int *x1r, int *y1r, int *x2r, int *y2r)
|
||
{
|
||
char *s = NULL;
|
||
int endmatch1 = 0, endmatch2 = 0;
|
||
int x1, x2, y1, y2, w = 0, h = 0, sc;
|
||
Eina_Bool goback = EINA_TRUE,
|
||
goforward = EINA_FALSE,
|
||
escaped = EINA_FALSE;
|
||
struct ty_sb sb = {.buf = NULL, .gap = 0, .len = 0, .alloc = 0};
|
||
Termpty *ty = termio_pty_get(obj);
|
||
int res;
|
||
char txt[8];
|
||
int txtlen = 0;
|
||
int codepoint = 0;
|
||
Eina_Bool was_protocol = EINA_FALSE;
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||
|
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EINA_SAFETY_ON_NULL_RETURN_VAL(ty, NULL);
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||
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x1 = x2 = cx;
|
||
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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||
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||
sc = termio_scroll_get(obj);
|
||
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||
termpty_backlog_lock();
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||
|
||
y1 -= sc;
|
||
y2 -= sc;
|
||
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res = _txt_at(ty, &x1, &y1, txt, &txtlen, &codepoint);
|
||
if ((res != 0) || (txtlen == 0)) goto end;
|
||
if (_isspace_unicode(codepoint))
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goto end;
|
||
res = ty_sb_add(&sb, txt, txtlen);
|
||
if (res < 0) goto end;
|
||
|
||
while (goback)
|
||
{
|
||
int new_x1 = x1, new_y1 = y1;
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||
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||
res = _txt_prev_at(ty, &new_x1, &new_y1, txt, &txtlen, &codepoint);
|
||
if ((res != 0) || (txtlen == 0))
|
||
{
|
||
goback = EINA_FALSE;
|
||
goforward = EINA_TRUE;
|
||
break;
|
||
}
|
||
res = ty_sb_prepend(&sb, txt, txtlen);
|
||
if (res < 0) goto end;
|
||
if (_isspace_unicode(codepoint))
|
||
{
|
||
int old_txtlen = txtlen;
|
||
res = _txt_prev_at(ty, &new_x1, &new_y1, txt, &txtlen, &codepoint);
|
||
if ((res != 0) || (txtlen == 0) || (codepoint != '\\'))
|
||
{
|
||
ty_sb_lskip(&sb, old_txtlen);
|
||
goback = EINA_FALSE;
|
||
goforward = EINA_TRUE;
|
||
break;
|
||
}
|
||
}
|
||
switch (codepoint)
|
||
{
|
||
case '"': endmatch1 = endmatch2 = '"'; break;
|
||
case '\'': endmatch1 = endmatch2 = '\''; break;
|
||
case '`': endmatch1 = endmatch2 = '`'; break;
|
||
case '<': endmatch1 = endmatch2 = '>'; break;
|
||
case '[': endmatch1 = endmatch2 = ']'; break;
|
||
case ']': endmatch1 = endmatch2 = '['; break;
|
||
case '{': endmatch1 = endmatch2 = '}'; break;
|
||
case '(': endmatch1 = endmatch2 = ')'; break;
|
||
case '|': endmatch1 = endmatch2 = '|'; break;
|
||
case 0xab: endmatch1 = endmatch2 = 0xbb; break; // french « »
|
||
case 0xbb: endmatch1 = endmatch2 = 0xab; break; // swedish » «
|
||
case 0x2018: endmatch1 = endmatch2 = 0x2019; break; // ‘ ’
|
||
case 0x201b: endmatch1 = endmatch2 = 0x2019; break; // ‛ ’
|
||
case 0x201c: endmatch1 = endmatch2 = 0x201d; break; // “ ”
|
||
case 0x201e: endmatch1 = 0x201c; endmatch2 = 0x201d; break; // „ “”
|
||
case 0x2039: endmatch1 = endmatch2 = 0x203a; break; // ‹›
|
||
case 0x27e6: endmatch1 = endmatch2 = 0x27e7; break; // ⟦ ⟧
|
||
case 0x27e8: endmatch1 = endmatch2 = 0x27e9; break; // ⟨ ⟩
|
||
case 0x2329: endmatch1 = endmatch2 = 0x232a; break; // 〈 〉
|
||
case 0x231c: endmatch1 = 0x231d; endmatch2 = 0x231f; break; // ⌜⌝⌟
|
||
case 0x231e: endmatch1 = 0x231d; endmatch2 = 0x231f; break; // ⌞⌝⌟
|
||
case 0x2308: endmatch1 = 0x2309; endmatch2 = 0x230b; break; // ⌈⌉⌋
|
||
case 0x230a: endmatch1 = 0x2309; endmatch2 = 0x230b; break; // ⌊⌉⌋
|
||
}
|
||
if (endmatch1)
|
||
{
|
||
ty_sb_lskip(&sb, txtlen);
|
||
goback = EINA_FALSE;
|
||
goforward = EINA_TRUE;
|
||
break;
|
||
}
|
||
|
||
if (!link_is_protocol(sb.buf))
|
||
{
|
||
if (was_protocol)
|
||
{
|
||
if (!_isspace_unicode(codepoint))
|
||
endmatch1 = endmatch2 = codepoint;
|
||
ty_sb_lskip(&sb, txtlen);
|
||
goback = EINA_FALSE;
|
||
goforward = EINA_TRUE;
|
||
break;
|
||
}
|
||
}
|
||
else
|
||
{
|
||
was_protocol = EINA_TRUE;
|
||
}
|
||
x1 = new_x1;
|
||
y1 = new_y1;
|
||
}
|
||
|
||
while (goforward)
|
||
{
|
||
int new_x2 = x2, new_y2 = y2;
|
||
/* Check if the previous char is a delimiter */
|
||
res = _txt_next_at(ty, &new_x2, &new_y2, txt, &txtlen, &codepoint);
|
||
if ((res != 0) || (txtlen == 0))
|
||
{
|
||
goforward = EINA_FALSE;
|
||
break;
|
||
}
|
||
/* escaping */
|
||
if (codepoint == '\\')
|
||
{
|
||
x2 = new_x2;
|
||
y2 = new_y2;
|
||
escaped = EINA_TRUE;
|
||
continue;
|
||
}
|
||
if (escaped)
|
||
{
|
||
x2 = new_x2;
|
||
y2 = new_y2;
|
||
escaped = EINA_FALSE;
|
||
}
|
||
|
||
if (_isspace_unicode(codepoint) || (codepoint == endmatch1)
|
||
|| (codepoint == endmatch2))
|
||
{
|
||
goforward = EINA_FALSE;
|
||
break;
|
||
}
|
||
switch (codepoint)
|
||
{
|
||
case '"': goto out;
|
||
case '\'': goto out;
|
||
case '`': goto out;
|
||
case '<': goto out;
|
||
case '>': goto out;
|
||
case '[': goto out;
|
||
case ']': goto out;
|
||
case '{': goto out;
|
||
case '}': goto out;
|
||
case '|': goto out;
|
||
case 0xab: goto out;
|
||
case 0xbb: goto out;
|
||
case 0x2018: goto out;
|
||
case 0x2019: goto out;
|
||
case 0x201b: goto out;
|
||
case 0x201c: goto out;
|
||
case 0x201d: goto out;
|
||
case 0x201e: goto out;
|
||
case 0x2039: goto out;
|
||
case 0x203a: goto out;
|
||
case 0x2308: goto out;
|
||
case 0x2309: goto out;
|
||
case 0x230a: goto out;
|
||
case 0x230b: goto out;
|
||
case 0x231c: goto out;
|
||
case 0x231d: goto out;
|
||
case 0x231e: goto out;
|
||
case 0x231f: goto out;
|
||
case 0x2329: goto out;
|
||
case 0x232a: goto out;
|
||
case 0x27e6: goto out;
|
||
case 0x27e7: goto out;
|
||
case 0x27e8: goto out;
|
||
case 0x27e9: goto out;
|
||
}
|
||
|
||
res = ty_sb_add(&sb, txt, txtlen);
|
||
if (res < 0) goto end;
|
||
|
||
if (!link_is_protocol(sb.buf))
|
||
{
|
||
if (was_protocol)
|
||
{
|
||
ty_sb_rskip(&sb, txtlen);
|
||
goback = EINA_FALSE;
|
||
}
|
||
}
|
||
else
|
||
{
|
||
was_protocol = EINA_TRUE;
|
||
}
|
||
x2 = new_x2;
|
||
y2 = new_y2;
|
||
}
|
||
|
||
out:
|
||
if (sb.len)
|
||
{
|
||
Eina_Bool is_file = link_is_file(sb.buf);
|
||
|
||
if (is_file ||
|
||
link_is_email(sb.buf) ||
|
||
link_is_url(sb.buf))
|
||
{
|
||
if (x1r) *x1r = x1;
|
||
if (y1r) *y1r = y1 + sc;
|
||
if (x2r) *x2r = x2;
|
||
if (y2r) *y2r = y2 + sc;
|
||
|
||
if (is_file && (sb.buf[0] != '/'))
|
||
{
|
||
char *local= _local_path_get(obj, (const char*)sb.buf);
|
||
ty_sb_free(&sb);
|
||
s = local;
|
||
goto end;
|
||
}
|
||
else
|
||
{
|
||
s = ty_sb_steal_buf(&sb);
|
||
}
|
||
|
||
goto end;
|
||
}
|
||
}
|
||
end:
|
||
termpty_backlog_unlock();
|
||
ty_sb_free(&sb);
|
||
return s;
|
||
}
|
||
|
||
__attribute__((const))
|
||
static Eina_Bool
|
||
_is_authorized_in_color(const int codepoint)
|
||
{
|
||
static const Eina_Unicode authorized[] = {
|
||
'\t',
|
||
' ',
|
||
'#',
|
||
'(',
|
||
')',
|
||
'+',
|
||
',',
|
||
'/',
|
||
'0',
|
||
'1',
|
||
'2',
|
||
'3',
|
||
'4',
|
||
'5',
|
||
'6',
|
||
'7',
|
||
'8',
|
||
'9',
|
||
':',
|
||
'A',
|
||
'B',
|
||
'C',
|
||
'D',
|
||
'E',
|
||
'F',
|
||
'a',
|
||
'b',
|
||
'c',
|
||
'd',
|
||
'e',
|
||
'f',
|
||
'g',
|
||
'h',
|
||
'l',
|
||
'n',
|
||
'o',
|
||
'r',
|
||
's',
|
||
't',
|
||
'u',
|
||
};
|
||
size_t imax = (sizeof(authorized) / sizeof(authorized[0])) - 1,
|
||
imin = 0;
|
||
size_t imaxmax = imax;
|
||
|
||
while (imax >= imin)
|
||
{
|
||
size_t imid = (imin + imax) / 2;
|
||
|
||
if (authorized[imid] == codepoint) return EINA_TRUE;
|
||
else if (authorized[imid] < codepoint) imin = imid + 1;
|
||
else imax = imid - 1;
|
||
if (imax > imaxmax) break;
|
||
}
|
||
return EINA_FALSE;
|
||
}
|
||
|
||
static Eina_Bool
|
||
_parse_hex(const char c, uint8_t *v)
|
||
{
|
||
if (c < '0')
|
||
return EINA_FALSE;
|
||
if (c <= '9')
|
||
{
|
||
*v = c - '0';
|
||
return EINA_TRUE;
|
||
}
|
||
if (c < 'A')
|
||
return EINA_FALSE;
|
||
if (c <= 'F')
|
||
{
|
||
*v = 10 + c - 'A';
|
||
return EINA_TRUE;
|
||
}
|
||
if (c < 'a')
|
||
return EINA_FALSE;
|
||
if (c <= 'f')
|
||
{
|
||
*v = 10 + c - 'a';
|
||
return EINA_TRUE;
|
||
}
|
||
return EINA_FALSE;
|
||
}
|
||
|
||
static Eina_Bool
|
||
_parse_2hex(const char *s, uint8_t *v)
|
||
{
|
||
uint8_t v0, v1;
|
||
if (!_parse_hex(s[0], &v0))
|
||
return EINA_FALSE;
|
||
if (!_parse_hex(s[1], &v1))
|
||
return EINA_FALSE;
|
||
*v = v0 << 4 | v1;
|
||
return EINA_TRUE;
|
||
}
|
||
|
||
static Eina_Bool
|
||
_parse_sharp_color(struct ty_sb *sb,
|
||
uint8_t *rp, uint8_t *gp, uint8_t *bp, uint8_t *ap)
|
||
{
|
||
uint8_t r, g, b, a = 255;
|
||
|
||
/* skip sharp */
|
||
ty_sb_lskip(sb, 1);
|
||
switch (sb->len)
|
||
{
|
||
case 3:
|
||
if ((!_parse_hex(sb->buf[0], &r)) ||
|
||
(!_parse_hex(sb->buf[1], &g)) ||
|
||
(!_parse_hex(sb->buf[2], &b)))
|
||
return EINA_FALSE;
|
||
r <<= 4;
|
||
g <<= 4;
|
||
b <<= 4;
|
||
break;
|
||
case 4:
|
||
if ((!_parse_hex(sb->buf[0], &r)) ||
|
||
(!_parse_hex(sb->buf[1], &g)) ||
|
||
(!_parse_hex(sb->buf[2], &b)) ||
|
||
(!_parse_hex(sb->buf[3], &a)))
|
||
return EINA_FALSE;
|
||
r <<= 4;
|
||
g <<= 4;
|
||
b <<= 4;
|
||
a <<= 4;
|
||
break;
|
||
case 6:
|
||
if ((!_parse_2hex(&sb->buf[0], &r)) ||
|
||
(!_parse_2hex(&sb->buf[2], &g)) ||
|
||
(!_parse_2hex(&sb->buf[4], &b)))
|
||
return EINA_FALSE;
|
||
break;
|
||
case 8:
|
||
if ((!_parse_2hex(&sb->buf[0], &r)) ||
|
||
(!_parse_2hex(&sb->buf[2], &g)) ||
|
||
(!_parse_2hex(&sb->buf[4], &b)) ||
|
||
(!_parse_2hex(&sb->buf[6], &a)))
|
||
return EINA_FALSE;
|
||
break;
|
||
default:
|
||
return EINA_FALSE;
|
||
}
|
||
*rp = r;
|
||
*gp = g;
|
||
*bp = b;
|
||
*ap = a;
|
||
return EINA_TRUE;
|
||
}
|
||
|
||
static Eina_Bool
|
||
_parse_uint8(struct ty_sb *sb,
|
||
uint8_t *vp)
|
||
{
|
||
uint16_t v = 0;
|
||
Eina_Bool ret = EINA_FALSE;
|
||
|
||
if (!sb->len) return EINA_FALSE;
|
||
|
||
while (sb->len && v < 255 && sb->buf[0] >= '0' && sb->buf[0] <= '9')
|
||
{
|
||
v = (v * 10) + sb->buf[0] - '0';
|
||
ty_sb_lskip(sb, 1);
|
||
ret = EINA_TRUE;
|
||
}
|
||
if (v > 255)
|
||
return EINA_FALSE;
|
||
|
||
*vp = v;
|
||
return ret;
|
||
}
|
||
|
||
static Eina_Bool
|
||
_parse_edc_color(struct ty_sb *sb,
|
||
uint8_t *rp, uint8_t *gp, uint8_t *bp, uint8_t *ap)
|
||
{
|
||
uint8_t r = 0, g = 0, b = 0, a = 255;
|
||
|
||
/* skip color */
|
||
ty_sb_lskip(sb, 5);
|
||
if (sb->buf[0] != ':')
|
||
ty_sb_lskip(sb, 1);
|
||
ty_sb_lskip(sb, 1); /* skip ':' */
|
||
ty_sb_spaces_ltrim(sb);
|
||
|
||
if (!sb->len) return EINA_FALSE;
|
||
if (sb->buf[0] == '#')
|
||
return _parse_sharp_color(sb, rp, gp, bp, ap);
|
||
|
||
if (!_parse_uint8(sb, &r)) return EINA_FALSE;
|
||
ty_sb_spaces_ltrim(sb);
|
||
if (!_parse_uint8(sb, &g)) return EINA_FALSE;
|
||
ty_sb_spaces_ltrim(sb);
|
||
if (!_parse_uint8(sb, &b)) return EINA_FALSE;
|
||
ty_sb_spaces_ltrim(sb);
|
||
if (!_parse_uint8(sb, &a)) return EINA_FALSE;
|
||
|
||
*rp = r;
|
||
*gp = g;
|
||
*bp = b;
|
||
*ap = a;
|
||
return EINA_TRUE;
|
||
}
|
||
|
||
__attribute__((const))
|
||
static Eina_Bool
|
||
_is_authorized_in_color_sharp(const Eina_Unicode g)
|
||
{
|
||
if (g == '#' ||
|
||
(g >= '0' && g <= '9') ||
|
||
(g >= 'A' && g <= 'F') ||
|
||
(g >= 'a' && g <= 'f'))
|
||
return EINA_TRUE;
|
||
return EINA_FALSE;
|
||
}
|
||
|
||
static Eina_Bool
|
||
_sharp_color_find(Termpty *ty, int sc,
|
||
int *x1r, int *y1r, int *x2r, int *y2r,
|
||
uint8_t *rp, uint8_t *gp, uint8_t *bp, uint8_t *ap)
|
||
{
|
||
int x1 = *x1r, y1 = *y1r, x2 = *x2r, y2 = *y2r;
|
||
Eina_Bool goback = EINA_TRUE,
|
||
goforward = EINA_FALSE;
|
||
struct ty_sb sb = {.buf = NULL, .gap = 0, .len = 0, .alloc = 0};
|
||
int res;
|
||
char txt[8];
|
||
int txtlen = 0;
|
||
Eina_Bool found = EINA_FALSE;
|
||
int codepoint;
|
||
uint8_t r, g, b, a = 255;
|
||
|
||
res = _txt_at(ty, &x1, &y1, txt, &txtlen, &codepoint);
|
||
if ((res != 0) || (txtlen == 0))
|
||
goto end;
|
||
if (!_is_authorized_in_color_sharp(codepoint))
|
||
goto end;
|
||
res = ty_sb_add(&sb, txt, txtlen);
|
||
if (res < 0) goto end;
|
||
|
||
while (goback && sb.len <= 9)
|
||
{
|
||
int new_x1 = x1, new_y1 = y1;
|
||
|
||
res = _txt_prev_at(ty, &new_x1, &new_y1, txt, &txtlen, &codepoint);
|
||
if ((res != 0) || (txtlen == 0))
|
||
{
|
||
goback = EINA_FALSE;
|
||
goforward = EINA_TRUE;
|
||
break;
|
||
}
|
||
res = ty_sb_prepend(&sb, txt, txtlen);
|
||
if (res < 0) goto end;
|
||
if (!_is_authorized_in_color_sharp(codepoint))
|
||
{
|
||
ty_sb_lskip(&sb, txtlen);
|
||
goback = EINA_FALSE;
|
||
goforward = EINA_TRUE;
|
||
break;
|
||
}
|
||
|
||
x1 = new_x1;
|
||
y1 = new_y1;
|
||
}
|
||
|
||
while (goforward && sb.len <= 9)
|
||
{
|
||
int new_x2 = x2, new_y2 = y2;
|
||
|
||
/* Check if the previous char is a delimiter */
|
||
res = _txt_next_at(ty, &new_x2, &new_y2, txt, &txtlen, &codepoint);
|
||
if ((res != 0) || (txtlen == 0))
|
||
{
|
||
goforward = EINA_FALSE;
|
||
break;
|
||
}
|
||
|
||
if (!_is_authorized_in_color_sharp(codepoint))
|
||
{
|
||
goforward = EINA_FALSE;
|
||
break;
|
||
}
|
||
|
||
res = ty_sb_add(&sb, txt, txtlen);
|
||
if (res < 0) goto end;
|
||
|
||
x2 = new_x2;
|
||
y2 = new_y2;
|
||
}
|
||
|
||
if (sb.buf[0] == '#')
|
||
{
|
||
if (!_parse_sharp_color(&sb, &r, &g, &b, &a))
|
||
goto end;
|
||
found = EINA_TRUE;
|
||
}
|
||
end:
|
||
ty_sb_free(&sb);
|
||
if (found)
|
||
{
|
||
if (rp) *rp = r;
|
||
if (gp) *gp = g;
|
||
if (bp) *bp = b;
|
||
if (ap) *ap = a;
|
||
if (x1r) *x1r = x1;
|
||
if (y1r) *y1r = y1 + sc;
|
||
if (x2r) *x2r = x2;
|
||
if (y2r) *y2r = y2 + sc;
|
||
}
|
||
return found;
|
||
}
|
||
|
||
|
||
Eina_Bool
|
||
termio_color_find(const Evas_Object *obj, int cx, int cy,
|
||
int *x1r, int *y1r, int *x2r, int *y2r,
|
||
uint8_t *rp, uint8_t *gp, uint8_t *bp, uint8_t *ap)
|
||
{
|
||
int x1, x2, y1, y2, w = 0, h = 0, sc;
|
||
Eina_Bool goback = EINA_TRUE,
|
||
goforward = EINA_FALSE;
|
||
struct ty_sb sb = {.buf = NULL, .gap = 0, .len = 0, .alloc = 0};
|
||
Termpty *ty = termio_pty_get(obj);
|
||
int res;
|
||
char txt[8];
|
||
int txtlen = 0;
|
||
Eina_Bool found = EINA_FALSE;
|
||
int codepoint;
|
||
uint8_t r, g, b, a = 255;
|
||
|
||
EINA_SAFETY_ON_NULL_RETURN_VAL(ty, EINA_FALSE);
|
||
|
||
x1 = x2 = cx;
|
||
y1 = y2 = cy;
|
||
termio_size_get(obj, &w, &h);
|
||
if ((w <= 0) || (h <= 0)) goto end;
|
||
|
||
sc = termio_scroll_get(obj);
|
||
|
||
termpty_backlog_lock();
|
||
|
||
y1 -= sc;
|
||
y2 -= sc;
|
||
|
||
found = _sharp_color_find(ty, sc, &x1, &y1, &x2, &y2,
|
||
&r, &g, &b, &a);
|
||
if (found)
|
||
goto end;
|
||
|
||
res = _txt_at(ty, &x1, &y1, txt, &txtlen, &codepoint);
|
||
if ((res != 0) || (txtlen == 0))
|
||
goto end;
|
||
if (!_is_authorized_in_color(codepoint))
|
||
goto end;
|
||
res = ty_sb_add(&sb, txt, txtlen);
|
||
if (res < 0) goto end;
|
||
|
||
while (goback)
|
||
{
|
||
int new_x1 = x1, new_y1 = y1;
|
||
|
||
res = _txt_prev_at(ty, &new_x1, &new_y1, txt, &txtlen, &codepoint);
|
||
if ((res != 0) || (txtlen == 0))
|
||
{
|
||
goback = EINA_FALSE;
|
||
goforward = EINA_TRUE;
|
||
break;
|
||
}
|
||
res = ty_sb_prepend(&sb, txt, txtlen);
|
||
if (res < 0) goto end;
|
||
if (!_is_authorized_in_color(codepoint))
|
||
{
|
||
ty_sb_lskip(&sb, txtlen);
|
||
goback = EINA_FALSE;
|
||
goforward = EINA_TRUE;
|
||
break;
|
||
}
|
||
|
||
x1 = new_x1;
|
||
y1 = new_y1;
|
||
if (sbstartswith(&sb, "color"))
|
||
{
|
||
goback = EINA_FALSE;
|
||
goforward = EINA_TRUE;
|
||
break;
|
||
}
|
||
}
|
||
|
||
while (goforward)
|
||
{
|
||
int new_x2 = x2, new_y2 = y2;
|
||
|
||
/* Check if the previous char is a delimiter */
|
||
res = _txt_next_at(ty, &new_x2, &new_y2, txt, &txtlen, &codepoint);
|
||
if ((res != 0) || (txtlen == 0))
|
||
{
|
||
goforward = EINA_FALSE;
|
||
break;
|
||
}
|
||
|
||
if (!_is_authorized_in_color(codepoint))
|
||
{
|
||
goforward = EINA_FALSE;
|
||
break;
|
||
}
|
||
|
||
res = ty_sb_add(&sb, txt, txtlen);
|
||
if (res < 0) goto end;
|
||
|
||
x2 = new_x2;
|
||
y2 = new_y2;
|
||
}
|
||
|
||
/* colors do not span multiple lines (for the moment) */
|
||
if (y1 != y2)
|
||
goto end;
|
||
|
||
/* Trim */
|
||
while (sb.len && (sb.buf[0] == ' ' || sb.buf[0] == '\t'))
|
||
{
|
||
sb.len--;
|
||
sb.buf++;
|
||
sb.gap++;
|
||
x1++;
|
||
}
|
||
while (sb.len && (sb.buf[sb.len-1] == ' ' || sb.buf[sb.len-1] == '\t'))
|
||
{
|
||
sb.len--;
|
||
x2--;
|
||
}
|
||
|
||
if (!sb.len)
|
||
goto end;
|
||
|
||
if (sb.len > 6 && strncmp(sb.buf, "color", 5) == 0)
|
||
{
|
||
if (!_parse_edc_color(&sb, &r, &g, &b, &a))
|
||
goto end;
|
||
found = EINA_TRUE;
|
||
}
|
||
else if (sb.buf[0] == '#')
|
||
{
|
||
if (!_parse_sharp_color(&sb, &r, &g, &b, &a))
|
||
goto end;
|
||
found = EINA_TRUE;
|
||
}
|
||
|
||
end:
|
||
termpty_backlog_unlock();
|
||
ty_sb_free(&sb);
|
||
if (found)
|
||
{
|
||
if (rp) *rp = r;
|
||
if (gp) *gp = g;
|
||
if (bp) *bp = b;
|
||
if (ap) *ap = a;
|
||
if (x1r) *x1r = x1;
|
||
if (y1r) *y1r = y1 + sc;
|
||
if (x2r) *x2r = x2;
|
||
if (y2r) *y2r = y2 + sc;
|
||
}
|
||
return found;
|
||
}
|