mirror of https://github.com/tstack/lnav.git
114 lines
3.4 KiB
C++
114 lines
3.4 KiB
C++
/**
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* Copyright (c) 2007-2012, Timothy Stack
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*
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* * Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* * Neither the name of Timothy Stack nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ''AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef __textfile_sub_source_hh
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#define __textfile_sub_source_hh
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#include <list>
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#include "logfile.hh"
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#include "textview_curses.hh"
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class textfile_sub_source : public text_sub_source {
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public:
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typedef std::list<logfile *>::iterator file_iterator;
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textfile_sub_source() { };
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size_t text_line_count()
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{
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size_t retval = 0;
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if (!this->tss_files.empty()) {
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retval = this->current_file()->size();
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}
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return retval;
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};
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void text_value_for_line(textview_curses &tc,
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int line,
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std::string &value_out,
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bool raw = false)
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{
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if (!this->tss_files.empty()) {
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this->current_file()->
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read_line(this->current_file()->begin() + line, value_out);
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}
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else {
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value_out.clear();
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}
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};
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void text_attrs_for_line(textview_curses &tc,
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int row,
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string_attrs_t &value_out)
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{
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if (this->current_file() == NULL) {
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return;
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}
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struct line_range lr;
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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->current_file()));
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};
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size_t text_size_for_line(textview_curses &tc, int line, bool raw) {
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size_t retval = 0;
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if (!this->tss_files.empty()) {
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retval = this->current_file()->line_length(this->current_file()->begin() + line);
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}
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return retval;
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};
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logfile *current_file(void) const
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{
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if (this->tss_files.empty()) {
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return NULL;
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}
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return this->tss_files.front();
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};
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std::string text_source_name(const textview_curses &tv) {
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if (this->tss_files.empty()) {
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return "";
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}
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return this->tss_files.front()->get_filename();
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}
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std::list<logfile *> tss_files;
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};
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#endif
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