mirror of https://github.com/tstack/lnav.git
519 lines
12 KiB
C++
519 lines
12 KiB
C++
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#include "config.h"
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#include <algorithm>
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#include "lnav_util.hh"
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#include "logfile_sub_source.hh"
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using namespace std;
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#if 0
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// XXX
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class logfile_scrub_map {
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public:
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static logfile_scrub_map &singleton()
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{
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static logfile_scrub_map s_lsm;
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return s_lsm;
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};
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const pcre *include(logfile::format_t format) const
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{
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map<logfile::format_t, pcre *>::const_iterator iter;
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pcre *retval = NULL;
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if ((iter = this->lsm_include.find(format)) != this->lsm_include.end()) {
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retval = iter->second;
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}
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return retval;
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};
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const pcre *exclude(logfile::format_t format) const
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{
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map<logfile::format_t, pcre *>::const_iterator iter;
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pcre *retval = NULL;
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if ((iter = this->lsm_exclude.find(format)) != this->lsm_exclude.end()) {
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retval = iter->second;
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}
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return retval;
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};
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private:
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pcre *build_pcre(const char *pattern)
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{
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const char *errptr;
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pcre *retval;
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int eoff;
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retval = pcre_compile(pattern, PCRE_CASELESS, &errptr, &eoff, NULL);
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if (retval == NULL) {
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throw errptr;
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}
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return retval;
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};
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logfile_scrub_map()
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{
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this->lsm_include[logfile::FORMAT_JBOSS] = this->
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build_pcre("\\d+-(\\d+-\\d+ \\d+:\\d+:\\d+),\\d+ [^ ]+( .*)");
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this->lsm_exclude[logfile::FORMAT_JBOSS] = this->
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build_pcre("(?:"
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"\\[((?:[0-9a-zA-Z]+\\.)+)\\w+"
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"|\\[[\\w: ]+ ((?:[0-9a-zA-Z]+\\.)+)\\w+[^ \\]]+"
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"| ((?:[0-9a-zA-Z]+\\.)+)\\w+\\])");
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this->lsm_include[logfile::FORMAT_SYSLOG] = this->
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build_pcre("(\\w+\\s[\\s\\d]\\d \\d+:\\d+:\\d+) \\w+( .*)");
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};
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map<logfile::format_t, pcre *> lsm_include;
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map<logfile::format_t, pcre *> lsm_exclude;
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};
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#endif
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bookmark_type_t logfile_sub_source::BM_ERRORS;
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bookmark_type_t logfile_sub_source::BM_WARNINGS;
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bookmark_type_t logfile_sub_source::BM_FILES;
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logfile_sub_source::logfile_sub_source()
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: lss_flags(0),
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lss_filtered_count(0)
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{
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}
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logfile_sub_source::~logfile_sub_source()
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{ }
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logfile *logfile_sub_source::find(const char *fn,
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content_line_t &line_base)
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{
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std:: vector<logfile_data>::iterator iter;
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logfile *retval = NULL;
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line_base = content_line_t(0);
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for (iter = this->lss_files.begin();
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iter != this->lss_files.end() && retval == NULL;
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iter++) {
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if (strcmp(iter->ld_file->get_filename().c_str(), fn) == 0) {
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retval = iter->ld_file;
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}
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else {
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line_base += content_line_t(iter->ld_file->size());
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}
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}
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return retval;
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}
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vis_line_t logfile_sub_source::find_from_time(time_t start)
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{
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vector<content_line_t>::iterator lb;
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vis_line_t retval(-1);
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lb = lower_bound(this->lss_index.begin(),
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this->lss_index.end(),
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start,
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logline_cmp(*this));
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if (lb != this->lss_index.end()) {
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retval = vis_line_t(lb - this->lss_index.begin());
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}
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return retval;
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}
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void logfile_sub_source::text_value_for_line(textview_curses &tc,
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int row,
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string &value_out,
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bool raw)
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{
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content_line_t line(0);
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size_t tab;
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line = this->lss_index[row];
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this->lss_token_file = this->find(line);
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this->lss_token_line = this->lss_token_file->begin() + line;
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this->lss_token_offset = 0;
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this->lss_scrub_len = 0;
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if (raw) {
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this->lss_token_file->read_line(this->lss_token_line, value_out);
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return;
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}
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this->lss_token_value =
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this->lss_token_file->read_line(this->lss_token_line);
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while ((tab = this->lss_token_value.find('\t')) != string::npos) {
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this->lss_token_value = this->lss_token_value.replace(tab, 1, 8, ' ');
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}
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this->lss_token_date_end = 0;
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#if 0
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if (!(this->lss_flags & F_NO_SCRUB)) {
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log_format *format = this->lss_token_file->get_format();
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const pcre *scrubber = NULL;
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int matches[60];
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int lpc, rc;
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// scrubber = logfile_scrub_map::singleton().include(format);
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if (scrubber != NULL) {
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memset(matches, 0, sizeof(matches));
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rc = pcre_exec(logfile_scrub_map::
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singleton().include(format),
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NULL,
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this->lss_token_value.c_str(),
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this->lss_token_value.size(),
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0,
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0,
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matches,
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60);
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matches[1] = 0;
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for (lpc = rc - 1; lpc >= 1; lpc--) {
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int c_end = matches[lpc * 2];
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int c_start = matches[lpc * 2 - 1];
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this->lss_token_value.
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erase(this->lss_token_value.begin() + c_start,
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this->lss_token_value.begin() + c_end);
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}
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if (rc > 1) {
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this->lss_token_date_end = 15;
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} /* XXX */
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}
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scrubber = logfile_scrub_map::singleton().exclude(format);
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if (scrubber != NULL) {
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do {
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rc = pcre_exec(logfile_scrub_map::singleton().
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exclude(format),
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NULL,
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this->lss_token_value.c_str(),
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this->lss_token_value.size(),
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0,
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0,
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matches,
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60);
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for (lpc = rc - 1; lpc >= 1; lpc--) {
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int c_start = matches[lpc * 2];
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int c_end = matches[lpc * 2 + 1];
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if (c_start != -1 && c_end != -1) {
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this->lss_token_value.
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erase(this->lss_token_value.begin() + c_start,
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this->lss_token_value.begin() + c_end);
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}
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}
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} while (rc > 0);
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}
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}
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#endif
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value_out = this->lss_token_value;
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}
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void logfile_sub_source::text_attrs_for_line(textview_curses &lv,
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int row,
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string_attrs_t &value_out)
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{
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view_colors &vc = view_colors::singleton();
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logline *next_line = NULL;
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struct line_range lr;
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int attrs = 0;
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switch (this->lss_token_line->get_level() & ~logline::LEVEL__FLAGS) {
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case logline::LEVEL_CRITICAL:
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case logline::LEVEL_ERROR:
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attrs = vc.attrs_for_role(view_colors::VCR_ERROR);
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break;
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case logline::LEVEL_WARNING:
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attrs = vc.attrs_for_role(view_colors::VCR_WARNING);
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break;
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default:
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attrs = vc.attrs_for_role(view_colors::VCR_TEXT);
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break;
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}
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if ((row + 1) < (int)this->lss_index.size()) {
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next_line = this->find_line(this->lss_index[row + 1]);
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}
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if (next_line != NULL &&
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(day_num(next_line->get_time()) >
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day_num(this->lss_token_line->get_time()))) {
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attrs |= A_UNDERLINE;
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}
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lr.lr_start = this->lss_token_date_end;
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lr.lr_end = -1;
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value_out[lr].insert(make_string_attr("style", attrs));
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lr.lr_start = 0;
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lr.lr_end = -1;
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value_out[lr].insert(make_string_attr("file", this->lss_token_file));
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if (this->lss_token_date_end > 0 &&
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((this->lss_token_line->get_time() / (60 * 60)) % 2) == 0) {
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attrs = vc.attrs_for_role(view_colors::VCR_ALT_ROW);
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lr.lr_start = 0;
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lr.lr_end = this->lss_token_date_end;
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value_out[lr].insert(make_string_attr("style", attrs));
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}
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}
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bool logfile_sub_source::rebuild_index(observer *obs, bool force)
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{
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std::vector<logfile_data>::iterator iter;
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bool retval = force;
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for (iter = this->lss_files.begin();
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iter != this->lss_files.end();
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iter++) {
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if (iter->ld_file->rebuild_index(obs)) {
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retval = true;
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}
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if (force) {
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iter->ld_lines_indexed = 0;
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}
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}
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if (retval || force) {
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int file_index = 0;
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string line_value;
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line_value.reserve(4 * 1024);
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if (force) {
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this->lss_index.clear();
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this->lss_filtered_count = 0;
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}
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for (iter = this->lss_files.begin();
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iter != this->lss_files.end();
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iter++, file_index++) {
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if (iter->ld_lines_indexed < iter->ld_file->size()) {
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content_line_t con_line(file_index *MAX_LINES_PER_FILE +
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iter->ld_lines_indexed);
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logfile_filter::type_t action = logfile_filter::INCLUDE;
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content_line_t start_line(con_line + 1);
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logfile::iterator lf_iter;
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int action_priority = -1;
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this->lss_index.reserve(this->lss_index.size() +
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iter->ld_file->size() -
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iter->ld_lines_indexed);
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for (lf_iter = iter->ld_file->begin() + iter->ld_lines_indexed;
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lf_iter != iter->ld_file->end();
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lf_iter++) {
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int lpc;
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if (obs != NULL) {
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obs->logfile_sub_source_filtering(
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*this,
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content_line_t(con_line % MAX_LINES_PER_FILE),
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iter->ld_file->size());
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}
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if (!(lf_iter->get_level() & logline::LEVEL_CONTINUED)) {
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if (action == logfile_filter::INCLUDE ||
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action == logfile_filter::MAYBE) {
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while (start_line < con_line) {
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this->lss_index.push_back(start_line);
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++start_line;
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}
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}
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start_line = con_line;
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action = logfile_filter::MAYBE;
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action_priority = -1;
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}
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for (lpc = 0; lpc < this->lss_filters.size(); lpc++) {
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logfile_filter *filter = this->lss_filters[lpc];
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if (filter->is_enabled()) {
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bool matched;
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if (line_value.empty()) {
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iter->ld_file->read_line(lf_iter, line_value);
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}
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matched = filter->matches(line_value);
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switch (filter->get_type()) {
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case logfile_filter::INCLUDE:
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if (lpc >= action_priority) {
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if (matched) {
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action = logfile_filter::INCLUDE;
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}
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else if (action == logfile_filter::MAYBE) {
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action = logfile_filter::EXCLUDE;
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}
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action_priority = lpc;
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}
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break;
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case logfile_filter::EXCLUDE:
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if (lpc >= action_priority) {
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if (matched) {
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action = logfile_filter::EXCLUDE;
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}
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action_priority = lpc;
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}
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break;
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}
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}
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}
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line_value.clear();
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++con_line;
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}
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if (action == logfile_filter::INCLUDE ||
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action == logfile_filter::MAYBE) {
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while (start_line < con_line) {
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this->lss_index.push_back(start_line);
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++start_line;
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}
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}
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iter->ld_lines_indexed = iter->ld_file->size();
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assert(iter->ld_lines_indexed < MAX_LINES_PER_FILE);
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}
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}
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stable_sort(this->lss_index.begin(),
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this->lss_index.end(),
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logline_cmp(*this));
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}
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return retval;
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}
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void logfile_sub_source::text_update_marks(bookmarks &bm)
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{
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logfile *last_file = NULL;
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vis_line_t vl;
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bm[&BM_WARNINGS].clear();
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bm[&BM_ERRORS].clear();
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bm[&BM_FILES].clear();
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bm[&textview_curses::BM_USER].clear();
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for (; vl < this->lss_index.size(); ++vl) {
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content_line_t cl = this->lss_index[vl];
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logfile *lf;
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if (binary_search(this->lss_user_marks.begin(),
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this->lss_user_marks.end(),
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cl)) {
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bm[&textview_curses::BM_USER].insert_once(vl);
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}
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lf = this->find(cl);
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if (lf != last_file) {
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bm[&BM_FILES].insert_once(vl);
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}
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switch ((*lf)[cl].get_level() & ~logline::LEVEL_MULTILINE) {
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case logline::LEVEL_WARNING:
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bm[&BM_WARNINGS].insert_once(vl);
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break;
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case logline::LEVEL_ERROR:
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case logline::LEVEL_CRITICAL:
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bm[&BM_ERRORS].insert_once(vl);
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break;
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default:
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break;
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}
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last_file = lf;
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}
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}
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#if 0
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void logfile_sub_source::handle_scroll(listview_curses *lc)
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{
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printf("hello, world!\n");
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return;
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vis_line_t top = lc->get_top();
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if (this->lss_index.empty()) {
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this->lss_top_time = -1;
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this->lss_bottom_time = -1;
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}
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else {
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time_t top_day, bottom_day, today, yesterday, now = time(NULL);
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vis_line_t bottom(0), height(0);
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unsigned long width;
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char status[32];
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logline *ll;
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today = day_num(now);
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yesterday = today - 1;
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lc->get_dimensions(height, width);
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ll = this->find_line(this->lss_index[top]);
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this->lss_top_time = ll->get_time();
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bottom = min(top + height - vis_line_t(1),
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vis_line_t(this->lss_index.size() - 1));
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ll = this->find_line(this->lss_index[bottom]);
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this->lss_bottom_time = ll->get_time();
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top_day = day_num(this->lss_top_time);
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bottom_day = day_num(this->lss_bottom_time);
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if (top_day == today) {
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snprintf(status, sizeof(status), "Today");
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}
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else if (top_day == yesterday) {
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snprintf(status, sizeof(status), "Yesterday");
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}
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else {
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strftime(status, sizeof(status),
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"%a %b %d",
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gmtime(&this->lss_top_time));
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}
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if (top_day != bottom_day) {
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int len = strlen(status);
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if (bottom_day == today) {
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snprintf(&status[len], sizeof(status) - len, " - Today");
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}
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else if (bottom_day == yesterday) {
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snprintf(&status[len], sizeof(status) - len, " - Yesterday");
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}
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else {
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strftime(&status[len], sizeof(status) - len,
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" - %b %d",
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gmtime(&this->lss_bottom_time));
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}
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}
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this->lss_date_field.set_value(string(status));
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}
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}
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#endif
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