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80 lines
1.4 KiB
C++
80 lines
1.4 KiB
C++
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#include <stdio.h>
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#include <string.h>
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#include <assert.h>
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#include <stdlib.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include "logfile.hh"
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#include "grep_proc.hh"
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#include "line_buffer.hh"
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class my_source : public grep_proc_source {
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public:
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logfile *ms_lf;
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my_source(logfile *lf) : ms_lf(lf) { };
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size_t grep_lines(void) {
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return this->ms_lf->size();
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};
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void grep_value_for_line(int line,
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std::string &value_out,
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int pass) {
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value_out = this->ms_lf->read_line(this->ms_lf->begin() + line);
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};
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};
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class my_sink : public grep_proc_sink {
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public:
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void grep_match(grep_line_t line, int start, int end) {
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printf("%d - %d:%d\n", (int)line, start, end);
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};
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};
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int main(int argc, char *argv[])
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{
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int retval = EXIT_SUCCESS;
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auto_fd fd;
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fd = open("/tmp/gp.err", O_WRONLY|O_CREAT|O_APPEND, 0666);
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dup2(fd, STDERR_FILENO);
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fprintf(stderr, "startup\n");
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if (argc < 2) {
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fprintf(stderr, "error: no file given\n");
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}
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else {
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logfile lf(argv[1]);
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lf.rebuild_index();
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my_source ms(&lf);
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my_sink msink;
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grep_proc gp("pnp", ms);
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gp.start();
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gp.set_sink(&msink);
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fd_set read_fds;
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int maxfd = gp.update_fd_set(read_fds);
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while (1) {
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fd_set rfds = read_fds;
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select(maxfd + 1, &rfds, NULL, NULL, NULL);
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gp.check_fd_set(rfds);
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if (!FD_ISSET(maxfd, &read_fds))
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break;
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}
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}
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return retval;
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}
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