Added function to print content from file (#331)

Added a function to print file contents to status bar without newlines.
Added tests for print file contents function
Added manpage entry for file contents

1 files changed, 19 insertions, 0 deletions

diff --git a/i3status.c b/i3status.c
index 90660bb..0898da3 100644
--- a/i3status.c
+++ b/i3status.c
@@ -491,6 +491,18 @@ int main(int argc, char *argv[]) {
         CFG_CUSTOM_SEP_BLOCK_WIDTH_OPT,
         CFG_END()};
 
+    cfg_opt_t read_opts[] = {
+        CFG_STR("format", "%content", CFGF_NONE),
+        CFG_STR("format_bad", "%title - %errno: %error", CFGF_NONE),
+        CFG_STR("path", NULL, CFGF_NONE),
+        CFG_INT("max_characters", 255, CFGF_NONE),
+        CFG_CUSTOM_ALIGN_OPT,
+        CFG_CUSTOM_COLOR_OPTS,
+        CFG_CUSTOM_MIN_WIDTH_OPT,
+        CFG_CUSTOM_SEPARATOR_OPT,
+        CFG_CUSTOM_SEP_BLOCK_WIDTH_OPT,
+        CFG_END()};
+
     cfg_opt_t opts[] = {
         CFG_STR_LIST("order", "{}", CFGF_NONE),
         CFG_SEC("general", general_opts, CFGF_NONE),
@@ -509,6 +521,7 @@ int main(int argc, char *argv[]) {
         CFG_SEC("load", load_opts, CFGF_NONE),
         CFG_SEC("memory", memory_opts, CFGF_NONE),
         CFG_SEC("cpu_usage", usage_opts, CFGF_NONE),
+        CFG_SEC("read_file", read_opts, CFGF_TITLE | CFGF_MULTI),
         CFG_END()};
 
     char *configfile = NULL;
@@ -787,6 +800,12 @@ int main(int argc, char *argv[]) {
                 print_cpu_usage(json_gen, buffer, cfg_getstr(sec, "format"), cfg_getstr(sec, "format_above_threshold"), cfg_getstr(sec, "format_above_degraded_threshold"), cfg_getstr(sec, "path"), cfg_getfloat(sec, "max_threshold"), cfg_getfloat(sec, "degraded_threshold"));
                 SEC_CLOSE_MAP;
             }
+
+            CASE_SEC_TITLE("read_file") {
+                SEC_OPEN_MAP("read_file");
+                print_file_contents(json_gen, buffer, title, cfg_getstr(sec, "path"), cfg_getstr(sec, "format"), cfg_getstr(sec, "format_bad"), cfg_getint(sec, "max_characters"));
+                SEC_CLOSE_MAP;
+            }
         }
         if (output_format == O_I3BAR) {
             yajl_gen_array_close(json_gen);