From 8cb83eee5a58b1fad74c34094ce3afb9e430b5a4 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Mon, 6 May 2024 04:42:50 +0200 Subject: Adding upstream version 2.33.1. Signed-off-by: Daniel Baumann --- libsmartcols/samples/Makemodule.am | 39 +++++ libsmartcols/samples/continuous.c | 138 +++++++++++++++ libsmartcols/samples/fromfile.c | 344 +++++++++++++++++++++++++++++++++++++ libsmartcols/samples/maxout.c | 56 ++++++ libsmartcols/samples/title.c | 135 +++++++++++++++ libsmartcols/samples/tree.c | 249 +++++++++++++++++++++++++++ libsmartcols/samples/wrap.c | 111 ++++++++++++ 7 files changed, 1072 insertions(+) create mode 100644 libsmartcols/samples/Makemodule.am create mode 100644 libsmartcols/samples/continuous.c create mode 100644 libsmartcols/samples/fromfile.c create mode 100644 libsmartcols/samples/maxout.c create mode 100644 libsmartcols/samples/title.c create mode 100644 libsmartcols/samples/tree.c create mode 100644 libsmartcols/samples/wrap.c (limited to 'libsmartcols/samples') diff --git a/libsmartcols/samples/Makemodule.am b/libsmartcols/samples/Makemodule.am new file mode 100644 index 0000000..644ac12 --- /dev/null +++ b/libsmartcols/samples/Makemodule.am @@ -0,0 +1,39 @@ + +check_PROGRAMS += \ + sample-scols-title \ + sample-scols-wrap \ + sample-scols-continuous \ + sample-scols-fromfile \ + sample-scols-maxout + +sample_scols_cflags = $(AM_CFLAGS) $(NO_UNUSED_WARN_CFLAGS) \ + -I$(ul_libsmartcols_incdir) +sample_scols_ldadd = libsmartcols.la $(LDADD) + +if HAVE_OPENAT +check_PROGRAMS += sample-scols-tree +sample_scols_tree_SOURCES = libsmartcols/samples/tree.c +sample_scols_tree_LDADD = $(sample_scols_ldadd) libcommon.la +sample_scols_tree_CFLAGS = $(sample_scols_cflags) +endif + +sample_scols_title_SOURCES = libsmartcols/samples/title.c +sample_scols_title_LDADD = $(sample_scols_ldadd) libcommon.la +sample_scols_title_CFLAGS = $(sample_scols_cflags) + +sample_scols_wrap_SOURCES = libsmartcols/samples/wrap.c +sample_scols_wrap_LDADD = $(sample_scols_ldadd) +sample_scols_wrap_CFLAGS = $(sample_scols_cflags) + +sample_scols_continuous_SOURCES = libsmartcols/samples/continuous.c +sample_scols_continuous_LDADD = $(sample_scols_ldadd) libcommon.la +sample_scols_continuous_CFLAGS = $(sample_scols_cflags) + +sample_scols_maxout_SOURCES = libsmartcols/samples/maxout.c +sample_scols_maxout_LDADD = $(sample_scols_ldadd) +sample_scols_maxout_CFLAGS = $(sample_scols_cflags) + +sample_scols_fromfile_SOURCES = libsmartcols/samples/fromfile.c +sample_scols_fromfile_LDADD = $(sample_scols_ldadd) libcommon.la +sample_scols_fromfile_CFLAGS = $(sample_scols_cflags) + diff --git a/libsmartcols/samples/continuous.c b/libsmartcols/samples/continuous.c new file mode 100644 index 0000000..dfe54b6 --- /dev/null +++ b/libsmartcols/samples/continuous.c @@ -0,0 +1,138 @@ +/* + * Copyright (C) 2016 Karel Zak + * + * This file may be redistributed under the terms of the + * GNU Lesser General Public License. + */ +#include +#include +#include +#include +#include +#include + +#include "c.h" +#include "nls.h" +#include "strutils.h" +#include "xalloc.h" + +#include "libsmartcols.h" + +#define TIME_PERIOD 3.0 /* seconds */ + +enum { COL_NUM, COL_DATA, COL_TIME }; + +static double time_diff(struct timeval *a, struct timeval *b) +{ + return (a->tv_sec - b->tv_sec) + (a->tv_usec - b->tv_usec) / 1E6; +} + +/* add columns to the @tb */ +static void setup_columns(struct libscols_table *tb) +{ + scols_table_enable_maxout(tb, 1); + if (!scols_table_new_column(tb, "#NUM", 0.1, SCOLS_FL_RIGHT)) + goto fail; + if (!scols_table_new_column(tb, "DATA", 0.7, 0)) + goto fail; + if (!scols_table_new_column(tb, "TIME", 0.2, 0)) + goto fail; + return; +fail: + scols_unref_table(tb); + err(EXIT_FAILURE, "failed to create output columns"); +} + +static struct libscols_line *add_line(struct libscols_table *tb, size_t i) +{ + char *p; + struct libscols_line *ln = scols_table_new_line(tb, NULL); + + if (!ln) + err(EXIT_FAILURE, "failed to create output line"); + + xasprintf(&p, "%zu", i); + if (scols_line_refer_data(ln, COL_NUM, p)) + goto fail; + + xasprintf(&p, "data-%02zu-%02zu-%02zu-end", i + 1, i + 2, i + 3); + if (scols_line_refer_data(ln, COL_DATA, p)) + goto fail; + + return ln; +fail: + scols_unref_table(tb); + err(EXIT_FAILURE, "failed to create output line"); +} + +int main(int argc, char *argv[]) +{ + struct libscols_table *tb; + size_t i; + struct timeval last; + + scols_init_debug(0); + + tb = scols_new_table(); + if (!tb) + err(EXIT_FAILURE, "failed to create output table"); + + setup_columns(tb); + gettimeofday(&last, NULL); + + for (i = 0; i < 10; i++) { + struct libscols_line *line; + struct timeval now; + int done = 0; + char *timecell = xmalloc( sizeof(stringify_value(UINT_MAX)) ); + + line = add_line(tb, i); + + /* Make a reference from cell data to the buffer, then we can + * update cell data without any interaction with libsmartcols + */ + scols_line_refer_data(line, COL_TIME, timecell); + + do { + double diff; + + gettimeofday(&now, NULL); + diff = time_diff(&now, &last); + + if (now.tv_sec == last.tv_sec + (long) TIME_PERIOD) + done = 1; + else + xusleep(100000); + + /* update "TIME" cell data */ + sprintf(timecell, "%f [%3d%%]", diff, + done ? 100 : (int)(diff / (TIME_PERIOD / 100.0))); + + /* Note that libsmartcols don't print \n for last line + * in the table, but if you print a line somewhere in + * the midle of the table you need + * + * scols_table_enable_nolinesep(tb, !done); + * + * to disable line breaks. In this example it's + * unnecessary as we print the latest line only. + */ + + /* print the line */ + scols_table_print_range(tb, line, NULL); + + if (!done) { + /* terminal is waiting for \n, fflush() to force output */ + fflush(scols_table_get_stream(tb)); + /* move to the begin of the line */ + fputc('\r', scols_table_get_stream(tb)); + } else + fputc('\n', scols_table_get_stream(tb)); + } while (!done); + + last = now; + } + + scols_unref_table(tb); + return EXIT_SUCCESS; +} diff --git a/libsmartcols/samples/fromfile.c b/libsmartcols/samples/fromfile.c new file mode 100644 index 0000000..c1ab728 --- /dev/null +++ b/libsmartcols/samples/fromfile.c @@ -0,0 +1,344 @@ +/* + * Copyright (C) 2016 Karel Zak + * + * This file may be redistributed under the terms of the + * GNU Lesser General Public License. + */ +#include +#include +#include +#include +#include +#include +#include +#include + +#include "c.h" +#include "nls.h" +#include "strutils.h" +#include "xalloc.h" +#include "optutils.h" + +#include "libsmartcols.h" + +struct column_flag { + const char *name; + int mask; +}; + +static const struct column_flag flags[] = { + { "trunc", SCOLS_FL_TRUNC }, + { "tree", SCOLS_FL_TREE }, + { "right", SCOLS_FL_RIGHT }, + { "strictwidth",SCOLS_FL_STRICTWIDTH }, + { "noextremes", SCOLS_FL_NOEXTREMES }, + { "hidden", SCOLS_FL_HIDDEN }, + { "wrap", SCOLS_FL_WRAP }, + { "wrapnl", SCOLS_FL_WRAP }, + { "none", 0 } +}; + +static long name_to_flag(const char *name, size_t namesz) +{ + size_t i; + + for (i = 0; i < ARRAY_SIZE(flags); i++) { + const char *cn = flags[i].name; + + if (!strncasecmp(name, cn, namesz) && !*(cn + namesz)) + return flags[i].mask; + } + warnx("unknown flag: %s", name); + return -1; +} + +static int parse_column_flags(char *str) +{ + unsigned long num_flags = 0; + + if (string_to_bitmask(str, &num_flags, name_to_flag)) + err(EXIT_FAILURE, "failed to parse column flags"); + + return num_flags; +} + +static struct libscols_column *parse_column(FILE *f) +{ + size_t len = 0; + char *line = NULL; + int nlines = 0; + + struct libscols_column *cl = NULL; + + while (getline(&line, &len, f) != -1) { + + char *p = strrchr(line, '\n'); + if (p) + *p = '\0'; + + switch (nlines) { + case 0: /* NAME */ + { + struct libscols_cell *hr; + + cl = scols_new_column(); + if (!cl) + goto fail; + hr = scols_column_get_header(cl); + if (!hr || scols_cell_set_data(hr, line)) + goto fail; + break; + } + case 1: /* WIDTH-HINT */ + { + double whint = strtod_or_err(line, "failed to parse column whint"); + if (scols_column_set_whint(cl, whint)) + goto fail; + break; + } + case 2: /* FLAGS */ + { + int num_flags = parse_column_flags(line); + if (scols_column_set_flags(cl, num_flags)) + goto fail; + if (strcmp(line, "wrapnl") == 0) { + scols_column_set_wrapfunc(cl, + scols_wrapnl_chunksize, + scols_wrapnl_nextchunk, + NULL); + scols_column_set_safechars(cl, "\n"); + } + break; + } + case 3: /* COLOR */ + if (scols_column_set_color(cl, line)) + goto fail; + break; + default: + break; + } + + nlines++; + } + + free(line); + return cl; +fail: + free(line); + scols_unref_column(cl); + return NULL; +} + +static int parse_column_data(FILE *f, struct libscols_table *tb, int col) +{ + size_t len = 0, nlines = 0; + int i; + char *str = NULL; + + while ((i = getline(&str, &len, f)) != -1) { + + struct libscols_line *ln; + char *p = strrchr(str, '\n'); + if (p) + *p = '\0'; + + while ((p = strrchr(str, '\\')) && *(p + 1) == 'n') { + *p = '\n'; + memmove(p + 1, p + 2, i - (p + 2 - str)); + } + + ln = scols_table_get_line(tb, nlines++); + if (!ln) + break; + + scols_line_set_data(ln, col, str); + } + + free(str); + return 0; + +} + +static struct libscols_line *get_line_with_id(struct libscols_table *tb, + int col_id, const char *id) +{ + struct libscols_line *ln; + struct libscols_iter *itr = scols_new_iter(SCOLS_ITER_FORWARD); + + while (scols_table_next_line(tb, itr, &ln) == 0) { + struct libscols_cell *ce = scols_line_get_cell(ln, col_id); + const char *data = ce ? scols_cell_get_data(ce) : NULL; + + if (data && strcmp(data, id) == 0) + break; + } + + scols_free_iter(itr); + return ln; +} + +static void compose_tree(struct libscols_table *tb, int parent_col, int id_col) +{ + struct libscols_line *ln; + struct libscols_iter *itr = scols_new_iter(SCOLS_ITER_FORWARD); + + while (scols_table_next_line(tb, itr, &ln) == 0) { + struct libscols_line *parent = NULL; + struct libscols_cell *ce = scols_line_get_cell(ln, parent_col); + const char *data = ce ? scols_cell_get_data(ce) : NULL; + + if (data) + parent = get_line_with_id(tb, id_col, data); + if (parent) + scols_line_add_child(parent, ln); + } + + scols_free_iter(itr); +} + + +static void __attribute__((__noreturn__)) usage(void) +{ + FILE *out = stdout; + fprintf(out, + "\n %s [options] ...\n\n", program_invocation_short_name); + + fputs(" -m, --maxout fill all terminal width\n", out); + fputs(" -c, --column column definition\n", out); + fputs(" -n, --nlines number of lines\n", out); + fputs(" -J, --json JSON output format\n", out); + fputs(" -r, --raw RAW output format\n", out); + fputs(" -E, --export use key=\"value\" output format\n", out); + fputs(" -C, --colsep set columns separator\n", out); + fputs(" -w, --width hardcode terminal width\n", out); + fputs(" -p, --tree-parent-column parent column\n", out); + fputs(" -i, --tree-id-column id column\n", out); + fputs(" -h, --help this help\n", out); + fputs("\n", out); + + exit(EXIT_SUCCESS); +} + +int main(int argc, char *argv[]) +{ + struct libscols_table *tb; + int c, n, nlines = 0; + int parent_col = -1, id_col = -1; + + static const struct option longopts[] = { + { "maxout", 0, NULL, 'm' }, + { "column", 1, NULL, 'c' }, + { "nlines", 1, NULL, 'n' }, + { "width", 1, NULL, 'w' }, + { "tree-parent-column", 1, NULL, 'p' }, + { "tree-id-column", 1, NULL, 'i' }, + { "json", 0, NULL, 'J' }, + { "raw", 0, NULL, 'r' }, + { "export", 0, NULL, 'E' }, + { "colsep", 1, NULL, 'C' }, + { "help", 0, NULL, 'h' }, + { NULL, 0, NULL, 0 }, + }; + + static const ul_excl_t excl[] = { /* rows and cols in ASCII order */ + { 'E', 'J', 'r' }, + { 0 } + }; + int excl_st[ARRAY_SIZE(excl)] = UL_EXCL_STATUS_INIT; + + setlocale(LC_ALL, ""); /* just to have enable UTF8 chars */ + scols_init_debug(0); + + tb = scols_new_table(); + if (!tb) + err(EXIT_FAILURE, "failed to create output table"); + + while((c = getopt_long(argc, argv, "hCc:Ei:Jmn:p:rw:", longopts, NULL)) != -1) { + + err_exclusive_options(c, longopts, excl, excl_st); + + switch(c) { + case 'c': /* add column from file */ + { + struct libscols_column *cl; + FILE *f = fopen(optarg, "r"); + + if (!f) + err(EXIT_FAILURE, "%s: open failed", optarg); + cl = parse_column(f); + if (cl && scols_table_add_column(tb, cl)) + err(EXIT_FAILURE, "%s: failed to add column", optarg); + scols_unref_column(cl); + fclose(f); + break; + } + case 'p': + parent_col = strtou32_or_err(optarg, "failed to parse tree PARENT column"); + break; + case 'i': + id_col = strtou32_or_err(optarg, "failed to parse tree ID column"); + break; + case 'J': + scols_table_enable_json(tb, 1); + scols_table_set_name(tb, "testtable"); + break; + case 'm': + scols_table_enable_maxout(tb, TRUE); + break; + case 'r': + scols_table_enable_raw(tb, TRUE); + break; + case 'E': + scols_table_enable_export(tb, TRUE); + break; + case 'C': + scols_table_set_column_separator(tb, optarg); + break; + case 'n': + nlines = strtou32_or_err(optarg, "failed to parse number of lines"); + break; + case 'w': + scols_table_set_termforce(tb, SCOLS_TERMFORCE_ALWAYS); + scols_table_set_termwidth(tb, strtou32_or_err(optarg, "failed to parse terminal width")); + break; + case 'h': + usage(); + default: + errtryhelp(EXIT_FAILURE); + } + } + + if (nlines <= 0) + errx(EXIT_FAILURE, "--nlines not set"); + + for (n = 0; n < nlines; n++) { + struct libscols_line *ln = scols_new_line(); + + if (!ln || scols_table_add_line(tb, ln)) + err(EXIT_FAILURE, "failed to add a new line"); + + scols_unref_line(ln); + } + + n = 0; + + while (optind < argc) { + FILE *f = fopen(argv[optind], "r"); + + if (!f) + err(EXIT_FAILURE, "%s: open failed", argv[optind]); + + parse_column_data(f, tb, n); + optind++; + n++; + } + + if (scols_table_is_tree(tb) && parent_col >= 0 && id_col >= 0) + compose_tree(tb, parent_col, id_col); + + scols_table_enable_colors(tb, isatty(STDOUT_FILENO)); + + scols_print_table(tb); + scols_unref_table(tb); + return EXIT_SUCCESS; +} diff --git a/libsmartcols/samples/maxout.c b/libsmartcols/samples/maxout.c new file mode 100644 index 0000000..07a05e1 --- /dev/null +++ b/libsmartcols/samples/maxout.c @@ -0,0 +1,56 @@ +/* + * Copyright (C) 2016 Karel Zak + * + * This file may be redistributed under the terms of the + * GNU Lesser General Public License. + */ +#include +#include +#include +#include +#include +#include +#include +#include + +#include "c.h" +#include "nls.h" +#include "libsmartcols.h" + +enum { COL_LEFT, COL_FOO, COL_RIGHT }; + +int main(int argc, char *argv[]) +{ + struct libscols_table *tb; + int rc = -1, nlines = 3; + + setlocale(LC_ALL, ""); /* just to have enable UTF8 chars */ + + scols_init_debug(0); + + tb = scols_new_table(); + if (!tb) + err(EXIT_FAILURE, "failed to create output table"); + + scols_table_enable_maxout(tb, TRUE); + if (!scols_table_new_column(tb, "LEFT", 0, 0)) + goto done; + if (!scols_table_new_column(tb, "FOO", 0, 0)) + goto done; + if (!scols_table_new_column(tb, "RIGHT", 0, SCOLS_FL_RIGHT)) + goto done; + + while (nlines--) { + struct libscols_line *ln = scols_table_new_line(tb, NULL); + + scols_line_set_data(ln, COL_LEFT, "A"); + scols_line_set_data(ln, COL_FOO, "B"); + scols_line_set_data(ln, COL_RIGHT, "C"); + } + + scols_print_table(tb); + rc = 0; +done: + scols_unref_table(tb); + return rc == 0 ? EXIT_SUCCESS : EXIT_FAILURE; +} diff --git a/libsmartcols/samples/title.c b/libsmartcols/samples/title.c new file mode 100644 index 0000000..131400d --- /dev/null +++ b/libsmartcols/samples/title.c @@ -0,0 +1,135 @@ +/* + * Copyright (C) 2010-2014 Karel Zak + * + * This file may be redistributed under the terms of the + * GNU Lesser General Public License. + */ +#include +#include +#include +#include +#include +#include +#include +#include + +#include "c.h" +#include "nls.h" +#include "strutils.h" +#include "xalloc.h" + +#include "libsmartcols.h" + + +enum { COL_NAME, COL_DATA }; + +/* add columns to the @tb */ +static void setup_columns(struct libscols_table *tb) +{ + if (!scols_table_new_column(tb, "NAME", 0, 0)) + goto fail; + if (!scols_table_new_column(tb, "DATA", 0, 0)) + goto fail; + return; +fail: + scols_unref_table(tb); + err(EXIT_FAILURE, "failed to create output columns"); +} + +static void add_line(struct libscols_table *tb, const char *name, const char *data) +{ + struct libscols_line *ln = scols_table_new_line(tb, NULL); + if (!ln) + err(EXIT_FAILURE, "failed to create output line"); + + if (scols_line_set_data(ln, COL_NAME, name)) + goto fail; + if (scols_line_set_data(ln, COL_DATA, data)) + goto fail; + return; +fail: + scols_unref_table(tb); + err(EXIT_FAILURE, "failed to create output line"); +} + +int main(int argc, char *argv[]) +{ + struct libscols_table *tb; + struct libscols_symbols *sy; + struct libscols_cell *title; + int c; + + static const struct option longopts[] = { + { "maxout", 0, NULL, 'm' }, + { "width", 1, NULL, 'w' }, + { "help", 1, NULL, 'h' }, + + { NULL, 0, NULL, 0 }, + }; + + setlocale(LC_ALL, ""); /* just to have enable UTF8 chars */ + + scols_init_debug(0); + + tb = scols_new_table(); + if (!tb) + err(EXIT_FAILURE, "failed to create output table"); + + while((c = getopt_long(argc, argv, "hmw:", longopts, NULL)) != -1) { + switch(c) { + case 'h': + printf("%s [--help | --maxout | --width ]\n", program_invocation_short_name); + break; + case 'm': + scols_table_enable_maxout(tb, TRUE); + break; + case 'w': + scols_table_set_termforce(tb, SCOLS_TERMFORCE_ALWAYS); + scols_table_set_termwidth(tb, strtou32_or_err(optarg, "failed to parse terminal width")); + break; + } + } + + scols_table_enable_colors(tb, isatty(STDOUT_FILENO)); + setup_columns(tb); + add_line(tb, "foo", "bla bla bla"); + add_line(tb, "bar", "alb alb alb"); + + title = scols_table_get_title(tb); + + /* right */ + scols_cell_set_data(title, "This is right title"); + scols_cell_set_color(title, "red"); + scols_cell_set_flags(title, SCOLS_CELL_FL_RIGHT); + scols_print_table(tb); + + /* left without padding */ + scols_cell_set_data(title, "This is left title (without padding)"); + scols_cell_set_color(title, "yellow"); + scols_cell_set_flags(title, SCOLS_CELL_FL_LEFT); + scols_print_table(tb); + + /* center */ + sy = scols_new_symbols(); + if (!sy) + err_oom(); + scols_table_set_symbols(tb, sy); + scols_unref_symbols(sy); + + scols_symbols_set_title_padding(sy, "="); + scols_cell_set_data(title, "This is center title (with padding)"); + scols_cell_set_color(title, "green"); + scols_cell_set_flags(title, SCOLS_CELL_FL_CENTER); + scols_print_table(tb); + + /* left with padding */ + scols_symbols_set_title_padding(sy, "-"); + scols_cell_set_data(title, "This is left title (with padding)"); + scols_cell_set_color(title, "blue"); + scols_cell_set_flags(title, SCOLS_CELL_FL_LEFT); + scols_print_table(tb); + + + scols_unref_table(tb); + return EXIT_SUCCESS; +} diff --git a/libsmartcols/samples/tree.c b/libsmartcols/samples/tree.c new file mode 100644 index 0000000..fcb1751 --- /dev/null +++ b/libsmartcols/samples/tree.c @@ -0,0 +1,249 @@ +/* + * Copyright (C) 2010-2014 Karel Zak + * + * This file may be redistributed under the terms of the + * GNU Lesser General Public License. + */ +#include +#include +#include +#include +#include +#include +#include +#include + +#include "c.h" +#include "nls.h" +#include "strutils.h" + +#include "libsmartcols.h" + +static int add_children(struct libscols_table *tb, + struct libscols_line *ln, int fd); + + +enum { COL_MODE, COL_SIZE, COL_NAME }; + +/* add columns to the @tb */ +static void setup_columns(struct libscols_table *tb, int notree) +{ + if (!scols_table_new_column(tb, "MODE", 0.3, 0)) + goto fail; + if (!scols_table_new_column(tb, "SIZE", 5, SCOLS_FL_RIGHT)) + goto fail; + if (!scols_table_new_column(tb, "NAME", 0.5, + (notree ? 0 : SCOLS_FL_TREE) | SCOLS_FL_NOEXTREMES)) + goto fail; + + return; +fail: + scols_unref_table(tb); + err(EXIT_FAILURE, "failed to create output columns"); +} + +/* add a new line to @tb, the content is based on @st */ +static int add_line_from_stat(struct libscols_table *tb, + struct libscols_line *parent, + int parent_fd, + struct stat *st, + const char *name) +{ + struct libscols_line *ln; + char modbuf[11], *p; + mode_t mode = st->st_mode; + int rc = 0; + + ln = scols_table_new_line(tb, parent); + if (!ln) + err(EXIT_FAILURE, "failed to create output line"); + + /* MODE; local buffer, use scols_line_set_data() that calls strdup() */ + xstrmode(mode, modbuf); + if (scols_line_set_data(ln, COL_MODE, modbuf)) + goto fail; + + /* SIZE; already allocated string, use scols_line_refer_data() */ + p = size_to_human_string(0, st->st_size); + if (!p || scols_line_refer_data(ln, COL_SIZE, p)) + goto fail; + + /* NAME */ + if (scols_line_set_data(ln, COL_NAME, name)) + goto fail; + + /* colors */ + if (scols_table_colors_wanted(tb)) { + struct libscols_cell *ce = scols_line_get_cell(ln, COL_NAME); + + if (S_ISDIR(mode)) + scols_cell_set_color(ce, "blue"); + else if (S_ISLNK(mode)) + scols_cell_set_color(ce, "cyan"); + else if (S_ISBLK(mode)) + scols_cell_set_color(ce, "magenta"); + else if ((mode & S_IXOTH) || (mode & S_IXGRP) || (mode & S_IXUSR)) + scols_cell_set_color(ce, "green"); + } + + if (S_ISDIR(st->st_mode)) { + int fd; + + if (parent_fd >= 0) + fd = openat(parent_fd, name, O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC); + else + fd = open(name, O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC); + if (fd >= 0) { + rc = add_children(tb, ln, fd); + close(fd); + } + } + return rc; +fail: + err(EXIT_FAILURE, "failed to create cell data"); + return -1; +} + +/* read all entries from directory addressed by @fd */ +static int add_children(struct libscols_table *tb, + struct libscols_line *ln, + int fd) +{ + DIR *dir; + struct dirent *d; + + dir = fdopendir(fd); + if (!dir) + return -errno; + + while ((d = readdir(dir))) { + struct stat st; + + if (strcmp(d->d_name, ".") == 0 || strcmp(d->d_name, "..") == 0) + continue; + if (fstatat(fd, d->d_name, &st, AT_SYMLINK_NOFOLLOW) != 0) + continue; + add_line_from_stat(tb, ln, fd, &st, d->d_name); + } + closedir(dir); + return 0; +} + +static void add_lines(struct libscols_table *tb, const char *dirname) +{ + struct stat st; + + if (lstat(dirname, &st)) + err(EXIT_FAILURE, "%s", dirname); + + add_line_from_stat(tb, NULL, -1, &st, dirname); +} + +static void __attribute__((__noreturn__)) usage(FILE *out) +{ + fprintf(out, " %s [options] [ ...]\n\n", program_invocation_short_name); + fputs(" -c, --csv display a csv-like output\n", out); + fputs(" -i, --ascii use ascii characters only\n", out); + fputs(" -l, --list use list format output\n", out); + fputs(" -n, --noheadings don't print headings\n", out); + fputs(" -p, --pairs use key=\"value\" output format\n", out); + fputs(" -J, --json use JSON output format\n", out); + fputs(" -r, --raw use raw output format\n", out); + fputs(" -S, --range-start first line to print\n", out); + fputs(" -E, --range-end last line to print\n", out); + + exit(out == stderr ? EXIT_FAILURE : EXIT_SUCCESS); +} + +int main(int argc, char *argv[]) +{ + struct libscols_table *tb; + int c, notree = 0, nstart = -1, nend = -1; + + + static const struct option longopts[] = { + { "ascii", 0, NULL, 'i' }, + { "csv", 0, NULL, 'c' }, + { "list", 0, NULL, 'l' }, + { "noheadings", 0, NULL, 'n' }, + { "pairs", 0, NULL, 'p' }, + { "json", 0, NULL, 'J' }, + { "raw", 0, NULL, 'r' }, + { "range-start",1, NULL, 'S' }, + { "range-end", 1, NULL, 'E' }, + { NULL, 0, NULL, 0 }, + }; + + setlocale(LC_ALL, ""); /* just to have enable UTF8 chars */ + + scols_init_debug(0); + + tb = scols_new_table(); + if (!tb) + err(EXIT_FAILURE, "failed to create output table"); + + while((c = getopt_long(argc, argv, "ciJlnprS:E:", longopts, NULL)) != -1) { + switch(c) { + case 'c': + scols_table_set_column_separator(tb, ","); + scols_table_enable_raw(tb, 1); + notree = 1; + break; + case 'i': + scols_table_enable_ascii(tb, 1); + break; + case 'J': + scols_table_set_name(tb, "scolstest"); + scols_table_enable_json(tb, 1); + break; + case 'l': + notree = 1; + break; + case 'n': + scols_table_enable_noheadings(tb, 1); + break; + case 'p': + scols_table_enable_export(tb, 1); + notree = 1; + break; + case 'r': + scols_table_enable_raw(tb, 1); + notree = 1; + break; + case 'S': + nstart = strtos32_or_err(optarg, "failed to parse range start") - 1; + break; + case 'E': + nend = strtos32_or_err(optarg, "failed to parse range end") - 1; + break; + default: + usage(stderr); + } + } + + scols_table_enable_colors(tb, isatty(STDOUT_FILENO)); + setup_columns(tb, notree); + + if (optind == argc) + add_lines(tb, "."); + else while (optind < argc) + add_lines(tb, argv[optind++]); + + if (nstart >= 0 || nend >= 0) { + /* print subset */ + struct libscols_line *start = NULL, *end = NULL; + + if (nstart >= 0) + start = scols_table_get_line(tb, nstart); + if (nend >= 0) + end = scols_table_get_line(tb, nend); + + if (start || end) + scols_table_print_range(tb, start, end); + } else + /* print all table */ + scols_print_table(tb); + + scols_unref_table(tb); + return EXIT_SUCCESS; +} diff --git a/libsmartcols/samples/wrap.c b/libsmartcols/samples/wrap.c new file mode 100644 index 0000000..795bef7 --- /dev/null +++ b/libsmartcols/samples/wrap.c @@ -0,0 +1,111 @@ +/* + * Copyright (C) 2010-2014 Karel Zak + * + * This file may be redistributed under the terms of the + * GNU Lesser General Public License. + */ +#include +#include +#include +#include +#include +#include +#include +#include + +#include "c.h" +#include "nls.h" +#include "strutils.h" +#include "xalloc.h" + +#include "libsmartcols.h" + + +enum { COL_NAME, COL_DESC, COL_FOO, COL_LIKE, COL_TEXT }; + +/* add columns to the @tb */ +static void setup_columns(struct libscols_table *tb) +{ + if (!scols_table_new_column(tb, "NAME", 0, SCOLS_FL_TREE)) + goto fail; + if (!scols_table_new_column(tb, "DESC", 0, 0)) + goto fail; + if (!scols_table_new_column(tb, "FOO", 0, SCOLS_FL_WRAP)) + goto fail; + if (!scols_table_new_column(tb, "LIKE", 0, SCOLS_FL_RIGHT)) + goto fail; + if (!scols_table_new_column(tb, "TEXT", 0, SCOLS_FL_WRAP)) + goto fail; + return; +fail: + scols_unref_table(tb); + err(EXIT_FAILURE, "failed to create output columns"); +} + +static char *gen_text(const char *prefix, const char *sub_prefix, char *buf, size_t sz) +{ + int x = snprintf(buf, sz, "%s-%s-", prefix, sub_prefix); + + for ( ; (size_t)x < sz - 1; x++) + buf[x] = *prefix; + + buf[x++] = 'x'; + buf[x] = '\0'; + return buf; +} + +static struct libscols_line * add_line( struct libscols_table *tb, + struct libscols_line *parent, + const char *prefix) +{ + char buf[BUFSIZ]; + struct libscols_line *ln = scols_table_new_line(tb, parent); + if (!ln) + err(EXIT_FAILURE, "failed to create output line"); + + if (scols_line_set_data(ln, COL_NAME, gen_text(prefix, "N", buf, 15))) + goto fail; + if (scols_line_set_data(ln, COL_DESC, gen_text(prefix, "D", buf, 10))) + goto fail; + if (scols_line_set_data(ln, COL_FOO, gen_text(prefix, "U", buf, 55))) + goto fail; + if (scols_line_set_data(ln, COL_LIKE, "1")) + goto fail; + if (scols_line_set_data(ln, COL_TEXT, gen_text(prefix, "T", buf, 50))) + goto fail; + return ln; +fail: + scols_unref_table(tb); + err(EXIT_FAILURE, "failed to create output line"); +} + +int main(int argc, char *argv[]) +{ + struct libscols_table *tb; + struct libscols_line *ln, *xln; + + setlocale(LC_ALL, ""); /* just to have enable UTF8 chars */ + + scols_init_debug(0); + + tb = scols_new_table(); + if (!tb) + err(EXIT_FAILURE, "failed to create output table"); + + scols_table_enable_colors(tb, isatty(STDOUT_FILENO)); + setup_columns(tb); + + ln = add_line(tb, NULL, "A"); + add_line(tb, ln, "aa"); + add_line(tb, ln, "ab"); + + ln = add_line(tb, NULL, "B"); + xln = add_line(tb, ln, "ba"); + add_line(tb, xln, "baa"); + add_line(tb, xln, "bab"); + add_line(tb, ln, "bb"); + + scols_print_table(tb); + scols_unref_table(tb); + return EXIT_SUCCESS; +} -- cgit v1.2.3