diff options
Diffstat (limited to 'src/plugins/perfmon/table.c')
| -rw-r--r-- | src/plugins/perfmon/table.c | 273 |
1 files changed, 273 insertions, 0 deletions
diff --git a/src/plugins/perfmon/table.c b/src/plugins/perfmon/table.c new file mode 100644 index 00000000000..e3fc0982bb0 --- /dev/null +++ b/src/plugins/perfmon/table.c @@ -0,0 +1,273 @@ +/* + Copyright (c) 2020 Damjan Marion + + Permission is hereby granted, free of charge, to any person obtaining + a copy of this software and associated documentation files (the + "Software"), to deal in the Software without restriction, including + without limitation the rights to use, copy, modify, merge, publish, + distribute, sublicense, and/or sell copies of the Software, and to + permit persons to whom the Software is furnished to do so, subject to + the following conditions: + + The above copyright notice and this permission notice shall be + included in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE + LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION + OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION + WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. +*/ + +#include <vppinfra/format.h> +#include "table.h" + +static table_text_attr_t default_title = { + .flags = TTAF_FG_COLOR_SET | TTAF_BOLD, + .fg_color = TTAC_YELLOW, + .align = TTAA_CENTER, +}; + +static table_text_attr_t default_body = { + .align = TTAA_RIGHT, +}; + +static table_text_attr_t default_header_col = { + .flags = TTAF_FG_COLOR_SET, + .fg_color = TTAC_YELLOW, + .align = TTAA_CENTER, +}; + +static table_text_attr_t default_header_row = { + .flags = TTAF_FG_COLOR_SET | TTAF_BOLD, + .fg_color = TTAC_GREEN, + .align = TTAA_LEFT, +}; + +u8 * +format_text_cell (table_t *t, u8 *s, table_cell_t *c, table_text_attr_t *def, + int size) +{ + table_text_attr_t _a = {}, *a = &_a; + + if (a == 0) + return format (s, t->no_ansi ? "" : "\x1b[0m"); + + clib_memcpy (a, def, sizeof (table_text_attr_t)); + + if (t->no_ansi == 0) + { + int *codes = 0; + if (c->attr.flags & TTAF_FG_COLOR_SET) + { + a->fg_color = c->attr.fg_color; + a->flags |= TTAF_FG_COLOR_SET; + } + + if (c->attr.flags & TTAF_BG_COLOR_SET) + { + a->bg_color = c->attr.bg_color; + a->flags |= TTAF_BG_COLOR_SET; + } + + if (a->flags & TTAF_RESET) + vec_add1 (codes, 0); + + if (a->flags & TTAF_BOLD) + vec_add1 (codes, 1); + + if (a->flags & TTAF_DIM) + vec_add1 (codes, 2); + + if (a->flags & TTAF_UNDERLINE) + vec_add1 (codes, 4); + + if (a->flags & TTAF_FG_COLOR_SET) + vec_add1 (codes, + (a->flags & TTAF_FG_COLOR_BRIGHT ? 90 : 30) + a->fg_color); + + if (a->flags & TTAF_BG_COLOR_SET) + vec_add1 (codes, + (a->flags & TTAF_BG_COLOR_BRIGHT ? 100 : 40) + a->bg_color); + + if (codes) + { + s = format (s, "\x1b["); + for (int i = 0; i < vec_len (codes); i++) + s = format (s, "%s%u", i ? ";" : "", codes[i]); + s = format (s, "m"); + vec_free (codes); + } + } + + u8 *fmt = 0; + table_text_attr_align_t align = c->attr.align; + if (align == TTAA_DEFAULT) + align = a->align; + if (align == TTAA_LEFT) + fmt = format (fmt, "%%-%uv%c", size, 0); + else if (align == TTAA_CENTER) + fmt = format (fmt, "%%=%uv%c", size, 0); + else + fmt = format (fmt, "%%%uv%c", size, 0); + s = format (s, (char *) fmt, c->text); + vec_free (fmt); + return format (s, t->no_ansi ? "" : "\x1b[0m"); +} + +u8 * +format_table (u8 *s, va_list *args) +{ + table_t *t = va_arg (*args, table_t *); + table_cell_t title_cell = { .text = t->title }; + int table_width = 0; + for (int i = 0; i < vec_len (t->row_sizes); i++) + table_width += t->row_sizes[i]; + + s = format_text_cell (t, s, &title_cell, &default_title, table_width); + s = format (s, "\n"); + + for (int c = 0; c < vec_len (t->cells); c++) + { + table_text_attr_t *col_default; + + if (c < t->n_header_cols) + col_default = &default_header_col; + else + col_default = &default_body; + + for (int r = 0; r < vec_len (t->cells[c]); r++) + { + table_text_attr_t *row_default = col_default; + if (r) + s = format (s, " "); + if (r < t->n_header_rows && c >= t->n_header_cols) + row_default = &default_header_row; + s = format_text_cell (t, s, &t->cells[c][r], row_default, + t->row_sizes[r]); + } + s = format (s, "\n"); + } + + return s; +} + +void +table_format_title (table_t *t, char *fmt, ...) +{ + va_list va; + + va_start (va, fmt); + t->title = va_format (t->title, fmt, &va); + va_end (va); +} + +static table_cell_t * +table_get_cell (table_t *t, int c, int r) +{ + c += t->n_header_cols; + r += t->n_header_rows; + + /* grow table if needed */ + vec_validate (t->cells, c); + for (int i = 0; i < vec_len (t->cells); i++) + vec_validate (t->cells[i], r); + return &t->cells[c][r]; +} + +void +table_format_cell (table_t *t, int c, int r, char *fmt, ...) +{ + table_cell_t *cell = table_get_cell (t, c, r); + va_list va; + + c += t->n_header_cols; + r += t->n_header_rows; + + va_start (va, fmt); + cell->text = va_format (t->cells[c][r].text, fmt, &va); + va_end (va); + + vec_validate (t->row_sizes, r); + t->row_sizes[r] = clib_max (t->row_sizes[r], vec_len (t->cells[c][r].text)); +} + +void +table_set_cell_align (table_t *t, int c, int r, table_text_attr_align_t a) +{ + table_cell_t *cell = table_get_cell (t, c, r); + cell->attr.align = a; +} + +void +table_set_cell_fg_color (table_t *t, int c, int r, table_text_attr_color_t v) +{ + table_cell_t *cell = table_get_cell (t, c, r); + cell->attr.fg_color = v; + cell->attr.flags |= TTAF_FG_COLOR_SET; +} + +void +table_set_cell_bg_color (table_t *t, int c, int r, table_text_attr_color_t v) +{ + table_cell_t *cell = table_get_cell (t, c, r); + cell->attr.bg_color = v; + cell->attr.flags |= TTAF_BG_COLOR_SET; +} + +void +table_free (table_t *t) +{ + for (int c = 0; c < vec_len (t->cells); c++) + { + for (int r = 0; r < vec_len (t->cells[c]); r++) + vec_free (t->cells[c][r].text); + vec_free (t->cells[c]); + } + vec_free (t->cells); + vec_free (t->row_sizes); + vec_free (t->title); + clib_memset (t, 0, sizeof (table_t)); +} + +void +table_add_header_col (table_t *t, int n_strings, ...) +{ + va_list arg; + int r, c = t->n_header_cols++; + int n_rows; + + vec_insert (t->cells, 1, c); + n_rows = clib_max (n_strings, 1); + n_rows = clib_max (vec_len (t->row_sizes), n_rows); + vec_validate (t->cells[c], n_rows - 1); + + va_start (arg, n_strings); + for (r = 0; r < n_rows; r++) + { + if (n_strings-- > 0) + table_format_cell (t, -1, r - t->n_header_rows, "%s", + va_arg (arg, char *)); + } + va_end (arg); +} + +void +table_add_header_row (table_t *t, int n_strings, ...) +{ + va_list arg; + int c, r = t->n_header_rows++; + + vec_validate (t->cells, n_strings + t->n_header_cols - 1); + + va_start (arg, n_strings); + for (c = t->n_header_cols; c < vec_len (t->cells); c++) + { + vec_insert (t->cells[c + t->n_header_cols], 1, r); + if (n_strings-- > 0) + table_format_cell (t, c, -1, "%s", va_arg (arg, char *)); + } + va_end (arg); +} |