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https://github.com/radareorg/radare2.git
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903 lines
21 KiB
C
903 lines
21 KiB
C
/* radare - LGPL - Copyright 2009-2021 - pancake, nibble */
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#include <r_cons.h>
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#include <r_util/r_print.h>
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#include <sdb.h>
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#define I(x) r_cons_singleton ()->x
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static char *strchr_ns(char *s, const char ch) {
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char *p = strchr (s, ch);
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if (p && p > s) {
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char *prev = p - 1;
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if (*prev == '\\') {
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memmove (prev, p, strlen (p) + 1);
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return strchr_ns (p, ch);
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}
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}
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return p;
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}
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static const char *help_detail_tilde[] = {
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"Usage: [command]~[modifier][word,word][endmodifier][[column]][:line]\n"
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"modifier:", "", "",
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" &", "", "all words must match to grep the line",
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" $[n]", "", "sort numerically / alphabetically the Nth column",
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" $!", "", "sort in inverse order",
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" ,", "", "token to define another keyword",
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" +", "", "case insensitive grep (grep -i)",
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" ^", "", "words must be placed at the beginning of line",
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" <", "", "perform zoom operation on the buffer",
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" !", "", "negate grep",
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" ?", "", "count number of matching lines",
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" ?.", "", "count number chars",
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" ??", "", "show this help message",
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" ?ea", "", "convert text into seven segment style ascii art",
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" :s..e", "", "show lines s-e",
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" ..", "", "internal 'less'",
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" ...", "", "internal 'hud' (like V_)",
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" ....", "", "internal 'hud' in one line",
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" {:", "", "human friendly indentation (yes, it's a smiley)",
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" {:..", "", "less the output of {:",
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" {:...", "", "hud the output of {:",
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" {}", "", "json indentation",
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" {}..", "", "less json indentation",
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" {}...", "", "hud json indentation",
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" {path}", "", "json path grep",
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"endmodifier:", "", "",
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" $", "", "words must be placed at the end of line",
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"column:", "", "",
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" [n]", "", "show only column n",
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" [n-m]", "", "show column n to m",
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" [n-]", "", "show all columns starting from column n",
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" [i,j,k]", "", "show the columns i, j and k",
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"Examples:", "", "",
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" i~:0", "", "show first line of 'i' output",
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" i~:-2", "", "show the second to last line of 'i' output",
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" i~:0..3", "", "show first three lines of 'i' output",
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" pd~mov", "", "disasm and grep for mov",
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" pi~[0]", "", "show only opcode",
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" i~0x400$", "", "show lines ending with 0x400",
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NULL
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};
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R_API void r_cons_grep_help(void) {
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r_cons_cmd_help (help_detail_tilde, true);
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}
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#define R_CONS_GREP_BUFSIZE 4096
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static void parse_grep_expression(const char *str) {
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static char buf[R_CONS_GREP_BUFSIZE], *ptrs[R_CONS_GREP_COUNT];
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int wlen, len, is_range, num_is_parsed, fail = false;
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char *ptr, *optr, *ptr2, *ptr3, *end_ptr = NULL, last;
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ut64 range_begin, range_end;
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size_t ptrs_length;
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if (R_STR_ISEMPTY (str)) {
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return;
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}
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RCons *cons = r_cons_singleton ();
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RConsContext *ctx = cons->context;
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RConsGrep *grep = &ctx->grep;
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len = strlen (str) - 1;
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if (len < 0) {
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len = 0;
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}
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if (len > R_CONS_GREP_BUFSIZE - 1) {
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eprintf ("r_cons_grep: too long!\n");
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return;
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}
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if (len > 0 && str[len] == '?') {
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grep->counter = 1;
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r_str_ncpy (buf, str, R_MIN (len, sizeof (buf) - 1));
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buf[len] = 0;
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len--;
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} else {
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r_str_ncpy (buf, str, sizeof (buf) - 1);
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}
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ptr = buf;
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ptrs_length = 1;
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ptrs[0] = ptr;
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while ((ptrs[ptrs_length] = (strchr (ptr, '~')))) {
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*(ptrs[ptrs_length]) = '\0';
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ptrs[ptrs_length]++;
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ptr = ptrs[ptrs_length];
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ptrs_length++;
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if (ptrs_length >= R_CONS_GREP_COUNT) {
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eprintf ("to many nested greps\n");
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return;
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}
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}
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free (grep->str);
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grep->str = NULL;
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bool first = true;
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ctx->sorted_column = 0;
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size_t i;
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for (i = 0; i < ptrs_length; i++) {
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ptr = ptrs[i];
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end_ptr = ptr2 = ptr3 = NULL;
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while (*ptr) {
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switch (*ptr) {
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case '.':
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if (ptr[1] == '.') {
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if (ptr[2] == '.') {
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if (ptr[3] == '.') {
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grep->less = 3;
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} else {
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grep->less = 2;
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}
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} else {
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grep->less = 1;
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}
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return;
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}
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ptr++;
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break;
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case '{':
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if (ptr[1] == ':') {
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grep->human = true; // human friendly indentation ij~{:
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grep->json = 1;
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if (!strncmp (ptr, "{:...", 5)) {
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grep->hud = true;
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} else if (!strncmp (ptr, "{:..", 4)) {
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grep->less = 1;
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}
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} else if (ptr[1] == '}') {
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// standard json indentation
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grep->json = 1;
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if (!strncmp (ptr, "{}...", 5)) {
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grep->hud = true;
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} else if (!strncmp (ptr, "{}..", 4)) {
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grep->less = 1;
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}
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} else {
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char *jsonPath = strdup (ptr + 1);
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char *jsonPathEnd = strchr (jsonPath, '}');
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if (jsonPathEnd) {
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*jsonPathEnd = 0;
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free (grep->json_path);
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grep->json_path = jsonPath;
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grep->json = 1;
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} else {
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free (jsonPath);
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}
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return;
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}
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ptr++;
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break;
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case '$':
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ptr++;
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if (*ptr == '!') {
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grep->sort_invert = true;
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ptr++;
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} else {
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grep->sort_invert = false;
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}
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grep->sort = atoi (ptr);
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while (IS_DIGIT (*ptr)) {
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ptr++;
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}
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if (*ptr == ':') {
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grep->sort_row = atoi (++ptr);
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ptr++;
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}
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break;
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case '&':
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ptr++;
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grep->amp = 1;
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break;
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case '<':
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grep->zoom = atoi (++ptr);
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//grep->zoomy = atoi (arg);
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break;
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case '+':
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if (first) {
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ptr++;
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grep->icase = true;
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} else {
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goto while_end;
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}
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break;
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case '^':
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ptr++;
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grep->begin = true;
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break;
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case '!':
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ptr++;
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grep->neg = true;
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break;
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case '?':
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ptr++;
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grep->counter = 1;
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if (*ptr == '.') {
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grep->charCounter = true;
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ptr++;
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} else if (!strcmp (ptr, "ea")) {
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// "?ea"
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grep->ascart = true;
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} else if (*ptr == '?') {
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cons->context->filter = true;
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r_cons_grep_help ();
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return;
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}
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break;
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default:
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goto while_end;
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}
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first = false;
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}
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while_end:
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ptr2 = strchr (ptr, '[');
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ptr3 = strchr (ptr, ']');
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is_range = 0;
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num_is_parsed = 0;
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fail = false;
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range_begin = range_end = -1;
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if (ptr2 && ptr3) {
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end_ptr = ptr2;
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last = ptr3[1];
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ptr3[1] = '\0';
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ptr2++;
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for (; ptr2 <= ptr3; ptr2++) {
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if (fail) {
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ZERO_FILL (grep->tokens);
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grep->tokens_used = 0;
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break;
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}
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switch (*ptr2) {
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case '-':
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is_range = 1;
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num_is_parsed = 0;
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range_end = -1;
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break;
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case ']': // fallthrough to handle ']' like ','
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case ',':
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for (; range_begin <= range_end; range_begin++) {
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if (range_begin >= R_CONS_GREP_TOKENS) {
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fail = true;
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break;
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}
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grep->tokens[range_begin] = 1;
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grep->tokens_used = 1;
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}
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// case of [n-]
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if (*ptr2 == ']' && is_range && !num_is_parsed) {
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num_is_parsed = true;
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range_end = -1;
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} else {
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is_range = 0;
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num_is_parsed = 0;
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}
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break;
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default:
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if (!num_is_parsed) {
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if (is_range) {
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range_end = r_num_get (cons->num, ptr2);
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// check for bad value, if range_end == 0, we check if ptr2 == '0'
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if (range_end == 0 && *ptr != '0') {
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range_end = -1; // this allow [n- ]
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}
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} else {
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range_begin = range_end = r_num_get (cons->num, ptr2);
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}
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num_is_parsed = true;
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}
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}
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}
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ptr3[1] = last;
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}
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ptr2 = strchr_ns (ptr, ':'); // line number
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grep->range_line = 2; // there is not :
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if (ptr2 && ptr2[1] != ':' && ptr2[1] && (IS_DIGIT (ptr2[1]) || ptr2[1] == '-' || ptr2[1] == '.')) {
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end_ptr = end_ptr? R_MIN (end_ptr, ptr2): ptr2;
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char *p, *token = ptr2 + 1;
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p = strstr (token, "..");
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if (!p) {
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grep->line = r_num_get (cons->num, ptr2 + 1);
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grep->range_line = 0;
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} else {
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*p = '\0';
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grep->range_line = 1;
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if (*token) {
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grep->f_line = r_num_get (cons->num, token);
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} else {
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grep->f_line = 0;
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}
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if (p[2]) {
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grep->l_line = r_num_get (cons->num, p + 2);
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} else {
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grep->l_line = 0;
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}
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}
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}
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if (end_ptr) {
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*end_ptr = '\0';
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}
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len = strlen (ptr) - 1;
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if (len > 1 && ptr[len] == '$' && ptr[len - 1] != '\\') {
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grep->end = 1;
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ptr[len] = '\0';
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}
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if (*ptr) {
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if (!grep->str) {
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grep->str = (char *)strdup (ptr);
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} else {
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grep->str = r_str_append (grep->str, ",");
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grep->str = r_str_append (grep->str, ptr);
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}
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do {
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optr = ptr;
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ptr = strchr (ptr, ','); // grep keywords
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if (ptr) {
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*ptr++ = '\0';
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}
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wlen = strlen (optr);
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if (!wlen) {
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continue;
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}
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if (wlen >= R_CONS_GREP_WORD_SIZE - 1) {
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eprintf ("grep string too long\n");
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continue;
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}
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grep->nstrings++;
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if (grep->nstrings > R_CONS_GREP_WORDS - 1) {
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eprintf ("too many grep strings\n");
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break;
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}
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r_str_ncpy (grep->strings[grep->nstrings - 1],
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optr, R_CONS_GREP_WORD_SIZE);
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} while (ptr);
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}
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}
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if (!grep->str) {
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grep->str = strdup ("");
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grep->nstrings++;
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grep->strings[0][0] = 0;
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}
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}
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// Finds and returns next intgrep expression,
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// unescapes escaped twiddles
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static char *find_next_intgrep(char *cmd, const char *quotes) {
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char *p;
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do {
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p = (char *)r_str_firstbut (cmd, '~', quotes);
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if (!p) {
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break;
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}
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if (p == cmd || *(p - 1) != '\\') {
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return (char *)p;
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}
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//twiddle unescape
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r_str_cpy (p - 1, p);
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cmd = p + 1;
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} while (*cmd);
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return NULL;
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}
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/*
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* Removes grep part from *cmd* and returns newly allocated string
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* with reshaped grep expression.
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*/
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static char *preprocess_filter_expr(char *cmd, const char *quotes) {
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char *p1, *p2, *ns = NULL;
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const char *strsep = "&";
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int len;
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int i;
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p1 = find_next_intgrep (cmd, quotes);
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if (!p1) {
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return NULL;
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}
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len = strlen (p1);
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if (len > 4 && r_str_endswith (p1, "~?") && p1[len - 3] != '\\') {
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p1[len - 2] = '\0';
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ns = r_str_append (ns, "?");
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}
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*p1 = '\0'; // remove grep part from cmd
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i = 0;
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// parse words between '~'
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while ((p2 = find_next_intgrep (p1 + 1, quotes))) {
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ns = r_str_append (ns, strsep);
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ns = r_str_appendlen (ns, p1 + 1, (int)(p2 - p1 - 1));
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p1 = p2;
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strsep = "~";
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i++;
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}
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if (i > 0) {
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ns = r_str_append (ns, "~");
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}
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ns = r_str_append (ns, p1 + 1);
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return ns;
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}
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R_API void r_cons_grep_parsecmd(char *cmd, const char *quotestr) {
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r_return_if_fail (cmd && quotestr);
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char *ptr = preprocess_filter_expr (cmd, quotestr);
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if (ptr) {
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r_str_trim (cmd);
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parse_grep_expression (ptr);
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free (ptr);
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}
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}
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R_API char *r_cons_grep_strip(char *cmd, const char *quotestr) {
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char *ptr = NULL;
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if (cmd) {
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ptr = preprocess_filter_expr (cmd, quotestr);
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r_str_trim (cmd);
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}
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return ptr;
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}
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R_API void r_cons_grep_process(char *grep) {
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if (grep) {
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parse_grep_expression (grep);
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free (grep);
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}
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}
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static int cmp(const void *a, const void *b) {
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char *da = NULL;
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char *db = NULL;
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const char *ca = r_str_trim_head_ro (a);
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const char *cb = r_str_trim_head_ro (b);
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if (!a || !b) {
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return (int) (size_t) ((char *) a - (char *) b);
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}
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RConsContext *ctx = r_cons_context ();
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if (ctx->sorted_column > 0) {
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da = strdup (ca);
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db = strdup (cb);
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int colsa = r_str_word_set0 (da);
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int colsb = r_str_word_set0 (db);
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ca = (colsa > ctx->sorted_column)? r_str_word_get0 (da, ctx->sorted_column): "";
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cb = (colsb > ctx->sorted_column)? r_str_word_get0 (db, ctx->sorted_column): "";
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}
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if (IS_DIGIT (*ca) && IS_DIGIT (*cb)) {
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ut64 na = r_num_get (NULL, ca);
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ut64 nb = r_num_get (NULL, cb);
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int ret = (na > nb) - (na < nb);
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free (da);
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free (db);
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return ret;
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}
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if (da && db) {
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int ret = strcmp (ca, cb);
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free (da);
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free (db);
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return ret;
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}
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free (da);
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free (db);
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return strcmp (a, b);
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}
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R_API void r_cons_grepbuf(void) {
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RCons *cons = r_cons_singleton ();
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const char *buf = cons->context->buffer;
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const int len = cons->context->buffer_len;
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RConsGrep *grep = &cons->context->grep;
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const char *in = buf;
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int ret, total_lines = 0, buffer_len = 0, l = 0, tl = 0;
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bool show = false;
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if (cons->context->filter) {
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cons->context->buffer_len = 0;
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R_FREE (cons->context->buffer);
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return;
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}
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if ((!len || !buf || !*buf) && (grep->json || grep->less)) {
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grep->json = 0;
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grep->less = 0;
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grep->hud = 0;
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return;
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}
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if (grep->ascart) {
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char *buf = strdup (cons->context->buffer);
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r_str_ansi_filter (buf, NULL, NULL, -1);
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char *out = r_str_ss (buf, NULL, 0);
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|
free (cons->context->buffer);
|
|
free (buf);
|
|
cons->context->buffer = out;
|
|
cons->context->buffer_len = strlen (out);
|
|
cons->context->buffer_sz = cons->context->buffer_len;
|
|
return;
|
|
}
|
|
if (grep->zoom) {
|
|
char *in = calloc (cons->context->buffer_len + 2, 4);
|
|
strcpy (in, cons->context->buffer);
|
|
char *out = r_str_scale (in, grep->zoom * 2, grep->zoomy?grep->zoomy:grep->zoom);
|
|
if (out) {
|
|
free (cons->context->buffer);
|
|
cons->context->buffer = out;
|
|
cons->context->buffer_len = strlen (out);
|
|
cons->context->buffer_sz = cons->context->buffer_len;
|
|
}
|
|
grep->zoom = 0;
|
|
grep->zoomy = 0;
|
|
free (in);
|
|
return;
|
|
}
|
|
if (grep->json) {
|
|
if (grep->json_path) {
|
|
char *u = sdb_json_get_str (cons->context->buffer, grep->json_path);
|
|
if (u) {
|
|
cons->context->buffer = u;
|
|
cons->context->buffer_len = strlen (u);
|
|
cons->context->buffer_sz = cons->context->buffer_len + 1;
|
|
grep->json = 0;
|
|
r_cons_newline ();
|
|
}
|
|
R_FREE (grep->json_path);
|
|
} else {
|
|
const char *palette[] = {
|
|
cons->context->pal.graph_false, // f
|
|
cons->context->pal.graph_true, // t
|
|
cons->context->pal.num, // k
|
|
cons->context->pal.comment, // v
|
|
Color_RESET,
|
|
NULL
|
|
};
|
|
char *bb = strdup (buf);
|
|
r_str_ansi_filter (bb, NULL, NULL, -1);
|
|
char *out = (cons->context->grep.human)
|
|
? r_print_json_human (bb)
|
|
: r_print_json_indent (bb, I (context->color_mode), " ", palette);
|
|
free (bb);
|
|
if (!out) {
|
|
return;
|
|
}
|
|
free (cons->context->buffer);
|
|
cons->context->buffer = out;
|
|
cons->context->buffer_len = strlen (out);
|
|
cons->context->buffer_sz = cons->context->buffer_len + 1;
|
|
grep->json = 0;
|
|
if (grep->hud) {
|
|
grep->hud = false;
|
|
r_cons_hud_string (cons->context->buffer);
|
|
} else if (grep->less) {
|
|
grep->less = 0;
|
|
r_cons_less_str (cons->context->buffer, NULL);
|
|
}
|
|
}
|
|
return;
|
|
// cons->lines = ?? return 3;
|
|
}
|
|
if (grep->less) {
|
|
int less = grep->less;
|
|
grep->less = 0;
|
|
if (less == 3) {
|
|
char *res = r_cons_hud_line_string (buf);
|
|
if (res) {
|
|
r_cons_println (res);
|
|
free (res);
|
|
}
|
|
} else if (less == 2) {
|
|
char *res = r_cons_hud_string (buf);
|
|
if (res) {
|
|
r_cons_println (res);
|
|
free (res);
|
|
}
|
|
} else {
|
|
r_cons_less_str (buf, NULL);
|
|
cons->context->buffer_len = 0;
|
|
if (cons->context->buffer) {
|
|
cons->context->buffer[0] = 0;
|
|
}
|
|
R_FREE (cons->context->buffer);
|
|
}
|
|
return;
|
|
}
|
|
RStrBuf *ob = r_strbuf_new ("");
|
|
// if we modify cons->lines we should update I.context->buffer too
|
|
cons->lines = 0;
|
|
// used to count lines and change negative grep.line values
|
|
while ((int) (size_t) (in - buf) < len) {
|
|
char *p = strchr (in, '\n');
|
|
if (!p) {
|
|
break;
|
|
}
|
|
l = p - in;
|
|
if (l > 0) {
|
|
in += l + 1;
|
|
} else {
|
|
in++;
|
|
}
|
|
total_lines++;
|
|
}
|
|
if (!grep->range_line && grep->line < 0) {
|
|
grep->line = total_lines + grep->line;
|
|
}
|
|
if (grep->range_line == 1) {
|
|
if (grep->f_line < 0) {
|
|
grep->f_line = total_lines + grep->f_line;
|
|
}
|
|
if (grep->l_line <= 0) {
|
|
grep->l_line = total_lines + grep->l_line;
|
|
}
|
|
}
|
|
bool is_range_line_grep_only = grep->range_line != 2 && grep->str && *grep->str == '\0';
|
|
in = buf;
|
|
while ((int) (size_t) (in - buf) < len) {
|
|
char *p = strchr (in, '\n');
|
|
if (!p) {
|
|
break;
|
|
}
|
|
l = p - in;
|
|
if ((!l && is_range_line_grep_only) || l > 0) {
|
|
char *tline = r_str_ndup (in, l);
|
|
if (cons->context->grep_color) {
|
|
tl = l;
|
|
} else {
|
|
tl = r_str_ansi_filter (tline, NULL, NULL, l);
|
|
}
|
|
if (tl < 0) {
|
|
ret = -1;
|
|
} else {
|
|
ret = r_cons_grep_line (tline, tl);
|
|
if (!grep->range_line) {
|
|
if (grep->line == cons->lines) {
|
|
show = true;
|
|
}
|
|
} else if (grep->range_line == 1) {
|
|
if (grep->f_line == cons->lines) {
|
|
show = true;
|
|
}
|
|
if (grep->l_line == cons->lines) {
|
|
show = false;
|
|
}
|
|
} else {
|
|
show = true;
|
|
}
|
|
}
|
|
if ((!ret && is_range_line_grep_only) || ret > 0) {
|
|
if (show) {
|
|
char *str = r_str_ndup (tline, ret);
|
|
if (cons->context->grep_highlight) {
|
|
int i;
|
|
for (i = 0; i < grep->nstrings; i++) {
|
|
char *newstr = r_str_newf (Color_INVERT"%s"Color_RESET, grep->strings[i]);
|
|
if (str && newstr) {
|
|
if (grep->icase) {
|
|
str = r_str_replace_icase (str, grep->strings[i], newstr, 1, 1);
|
|
} else {
|
|
str = r_str_replace (str, grep->strings[i], newstr, 1);
|
|
}
|
|
}
|
|
free (newstr);
|
|
}
|
|
}
|
|
if (str) {
|
|
r_strbuf_append (ob, str);
|
|
r_strbuf_append (ob, "\n");
|
|
}
|
|
buffer_len += ret + 1;
|
|
free (str);
|
|
}
|
|
if (!grep->range_line) {
|
|
show = false;
|
|
}
|
|
cons->lines++;
|
|
} else if (ret < 0) {
|
|
free (tline);
|
|
r_strbuf_free (ob);
|
|
return;
|
|
}
|
|
free (tline);
|
|
in += l + 1;
|
|
} else {
|
|
in++;
|
|
}
|
|
}
|
|
|
|
cons->context->buffer_len = r_strbuf_length (ob);
|
|
if (grep->counter) {
|
|
int cnt = grep->charCounter? strlen (cons->context->buffer): cons->lines;
|
|
if (cons->context->buffer) {
|
|
free (cons->context->buffer);
|
|
}
|
|
cons->context->buffer = r_str_newf ("%d\n", cnt);
|
|
cons->context->buffer_len = strlen (cons->context->buffer);
|
|
cons->context->buffer_sz = cons->context->buffer_len+1;
|
|
cons->num->value = cons->lines;
|
|
r_strbuf_free (ob);
|
|
return;
|
|
}
|
|
|
|
const int ob_len = r_strbuf_length (ob);
|
|
if (ob_len >= cons->context->buffer_sz) {
|
|
cons->context->buffer_sz = ob_len + 1;
|
|
cons->context->buffer = r_strbuf_drain (ob);
|
|
} else {
|
|
memcpy (cons->context->buffer, r_strbuf_getbin (ob, NULL), ob_len);
|
|
cons->context->buffer[ob_len] = 0;
|
|
r_strbuf_free (ob);
|
|
}
|
|
cons->context->buffer_len = ob_len;
|
|
|
|
if (grep->sort != -1) {
|
|
#define INSERT_LINES(list)\
|
|
do {\
|
|
r_list_foreach (list, iter, str) {\
|
|
int len = strlen (str);\
|
|
memcpy (ptr, str, len);\
|
|
memcpy (ptr + len, "\n", 2);\
|
|
ptr += len + 1;\
|
|
nl++;\
|
|
}\
|
|
}\
|
|
while (false)
|
|
|
|
RListIter *iter;
|
|
int nl = 0;
|
|
char *ptr = cons->context->buffer;
|
|
char *str;
|
|
RConsContext *ctx = cons->context;
|
|
ctx->sorted_column = grep->sort;
|
|
|
|
r_list_sort (ctx->sorted_lines, cmp);
|
|
if (grep->sort_invert) {
|
|
r_list_reverse (ctx->sorted_lines);
|
|
}
|
|
INSERT_LINES (ctx->unsorted_lines);
|
|
INSERT_LINES (ctx->sorted_lines);
|
|
cons->lines = nl;
|
|
r_list_free (ctx->sorted_lines);
|
|
ctx->sorted_lines = NULL;
|
|
r_list_free (ctx->unsorted_lines);
|
|
ctx->unsorted_lines = NULL;
|
|
}
|
|
}
|
|
|
|
R_API int r_cons_grep_line(char *buf, int len) {
|
|
r_return_val_if_fail (buf && len >= 0, 0);
|
|
RCons *cons = r_cons_singleton ();
|
|
RConsGrep *grep = &cons->context->grep;
|
|
const char *delims = " |,;=\t";
|
|
char *tok = NULL;
|
|
bool hit = grep->neg;
|
|
int outlen = 0;
|
|
bool use_tok = false;
|
|
size_t i;
|
|
|
|
char *in = calloc (1, len + 1);
|
|
if (!in) {
|
|
return 0;
|
|
}
|
|
char *out = calloc (1, len + 2);
|
|
if (!out) {
|
|
free (in);
|
|
return 0;
|
|
}
|
|
memcpy (in, buf, len);
|
|
|
|
if (grep->nstrings > 0) {
|
|
int ampfail = grep->amp;
|
|
if (grep->icase) {
|
|
r_str_case (in, false);
|
|
}
|
|
for (i = 0; i < grep->nstrings; i++) {
|
|
char *str = grep->strings[i];
|
|
if (grep->icase) {
|
|
r_str_case (str, false);
|
|
}
|
|
const char *p = r_strstr_ansi (in, grep->strings[i]);
|
|
if (!p) {
|
|
ampfail = 0;
|
|
continue;
|
|
}
|
|
hit = grep->begin
|
|
? grep->neg
|
|
? p != in
|
|
: p == in
|
|
: !grep->neg;
|
|
|
|
// TODO: optimize without strlen without breaking t/feat_grep (grep end)
|
|
if (grep->end && (strlen (grep->strings[i]) != strlen (p))) {
|
|
hit = 0;
|
|
}
|
|
if (!grep->amp) {
|
|
break;
|
|
}
|
|
}
|
|
if (grep->amp) {
|
|
hit = ampfail;
|
|
}
|
|
} else {
|
|
hit = 1;
|
|
}
|
|
|
|
RConsContext *ctx = r_cons_context ();
|
|
if (hit) {
|
|
if (!grep->range_line) {
|
|
if (grep->line == cons->lines) {
|
|
use_tok = true;
|
|
}
|
|
} else if (grep->range_line == 1) {
|
|
use_tok = R_BETWEEN (grep->f_line, cons->lines, grep->l_line);
|
|
} else {
|
|
use_tok = true;
|
|
}
|
|
if (use_tok && grep->tokens_used) {
|
|
for (i = 0; i < R_CONS_GREP_TOKENS; i++) {
|
|
tok = strtok (i? NULL: in, delims);
|
|
if (tok) {
|
|
if (grep->tokens[i]) {
|
|
int toklen = strlen (tok);
|
|
memcpy (out + outlen, tok, toklen);
|
|
memcpy (out + outlen + toklen, " ", 2);
|
|
outlen += toklen + 1;
|
|
if (!(*out)) {
|
|
free (in);
|
|
free (out);
|
|
return -1;
|
|
}
|
|
}
|
|
} else {
|
|
if ((*out)) {
|
|
break;
|
|
}
|
|
free (in);
|
|
free (out);
|
|
return 0;
|
|
}
|
|
}
|
|
outlen = outlen > 0? outlen - 1: 0;
|
|
if (outlen > len) { // should never happen
|
|
eprintf ("r_cons_grep_line: wtf, how you reach this?\n");
|
|
free (in);
|
|
free (out);
|
|
return -1;
|
|
}
|
|
memcpy (buf, out, len);
|
|
len = outlen;
|
|
}
|
|
} else {
|
|
len = 0;
|
|
}
|
|
free (in);
|
|
free (out);
|
|
if (grep->sort != -1) {
|
|
char ch = buf[len];
|
|
buf[len] = 0;
|
|
if (!ctx->sorted_lines) {
|
|
ctx->sorted_lines = r_list_newf (free);
|
|
}
|
|
if (!ctx->unsorted_lines) {
|
|
ctx->unsorted_lines = r_list_newf (free);
|
|
}
|
|
if (cons->lines >= grep->sort_row) {
|
|
r_list_append (ctx->sorted_lines, strdup (buf));
|
|
} else {
|
|
r_list_append (ctx->unsorted_lines, strdup (buf));
|
|
}
|
|
buf[len] = ch;
|
|
}
|
|
|
|
return len;
|
|
}
|
|
|
|
R_API void r_cons_grep(const char *grep) {
|
|
r_return_if_fail (grep);
|
|
parse_grep_expression (grep);
|
|
r_cons_grepbuf ();
|
|
}
|