mirror of
https://git.pwmt.org/pwmt/zathura.git
synced 2024-11-11 01:53:47 +01:00
Switch forward synchronizaton to synctex_parser
Signed-off-by: Sebastian Ramacher <sebastian+dev@ramacher.at>
This commit is contained in:
Sebastian Ramacher
parent
1f286ebcb3
commit
79eb7d88c8
@ -545,17 +545,17 @@ zathura_dbus_goto_page_and_highlight(const char* filename, unsigned int page,
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}
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bool
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zathura_dbus_synctex_position(const char* filename, const char* position,
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pid_t hint)
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zathura_dbus_synctex_position(const char* filename, const char* input_file,
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int line, int column, pid_t hint)
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{
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if (filename == NULL || position == NULL) {
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if (filename == NULL || input_file == NULL) {
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return false;
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}
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unsigned int page = 0;
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girara_list_t* secondary_rects = NULL;
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girara_list_t* rectangles = synctex_rectangles_from_position(
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filename, position, &page, &secondary_rects);
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filename, input_file, line, column, &page, &secondary_rects);
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if (rectangles == NULL) {
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return false;
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}
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@ -57,7 +57,7 @@ bool zathura_dbus_goto_page_and_highlight(const char* filename,
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unsigned int page, girara_list_t* rectangles, girara_list_t* secondary_rects,
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pid_t pidhint);
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bool zathura_dbus_synctex_position(const char* filename, const char* position,
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pid_t pidhint);
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bool zathura_dbus_synctex_position(const char* filename, const char* input_file,
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int line, int column, pid_t hint);
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#endif
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18
main.c
18
main.c
@ -106,11 +106,25 @@ main(int argc, char* argv[])
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return -1;
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}
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if (zathura_dbus_synctex_position(real_path, synctex_fwd, synctex_pid) == true) {
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char** split_fwd = g_strsplit(synctex_fwd, ":", 0);
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if (split_fwd == NULL || split_fwd[0] == NULL || split_fwd[1] == NULL ||
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split_fwd[2] == NULL || split_fwd[3] != NULL) {
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girara_error("Failed to parse argument to --synctex-forward.");
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free(real_path);
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g_strfreev(split_fwd);
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return -1;
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}
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const int line = MIN(INT_MAX, g_ascii_strtoll(split_fwd[0], NULL, 10));
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const int column = MIN(INT_MAX, g_ascii_strtoll(split_fwd[1], NULL, 10));
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const bool ret = zathura_dbus_synctex_position(real_path, split_fwd[2], line, column, synctex_pid);
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g_strfreev(split_fwd);
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if (ret == true) {
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free(real_path);
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return 0;
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} else {
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girara_error("Could not find open instance for '%s' or got no usable output from 'synctex view'.", real_path);
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girara_error("Could not find open instance for '%s' or got no usable data from synctex.", real_path);
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free(real_path);
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return -1;
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}
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244
synctex.c
244
synctex.c
@ -9,43 +9,7 @@
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#include "document.h"
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#include "utils.h"
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enum {
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SYNCTEX_RESULT_BEGIN = 1,
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SYNCTEX_RESULT_END,
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SYNCTEX_PROP_PAGE,
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SYNCTEX_PROP_H,
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SYNCTEX_PROP_V,
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SYNCTEX_PROP_WIDTH,
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SYNCTEX_PROP_HEIGHT,
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};
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typedef struct token_s {
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const char* name;
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guint token;
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} token_t;
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static token_t scanner_tokens[] = {
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{"SyncTeX result begin", SYNCTEX_RESULT_BEGIN},
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{"SyncTeX result end", SYNCTEX_RESULT_END},
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{"Page:", SYNCTEX_PROP_PAGE},
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{"h:", SYNCTEX_PROP_H},
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{"v:", SYNCTEX_PROP_V},
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{"W:", SYNCTEX_PROP_WIDTH},
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{"H:", SYNCTEX_PROP_HEIGHT},
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{NULL, 0}
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};
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static GScannerConfig scanner_config = {
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.cset_skip_characters = "\n\r",
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.cset_identifier_first = G_CSET_a_2_z G_CSET_A_2_Z,
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.cset_identifier_nth = G_CSET_a_2_z G_CSET_A_2_Z ": ",
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.cpair_comment_single = NULL,
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.case_sensitive = TRUE,
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.scan_identifier = TRUE,
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.scan_symbols = TRUE,
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.scan_float = TRUE,
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.numbers_2_int = TRUE,
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};
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#include "synctex/synctex_parser.h"
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void
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synctex_edit(zathura_t* zathura, zathura_page_t* page, int x, int y)
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@ -84,192 +48,72 @@ synctex_edit(zathura_t* zathura, zathura_page_t* page, int x, int y)
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g_strfreev(argv);
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}
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static double
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scan_float(GScanner* scanner)
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{
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switch (g_scanner_get_next_token(scanner)) {
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case G_TOKEN_FLOAT:
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return g_scanner_cur_value(scanner).v_float;
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case G_TOKEN_INT:
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return g_scanner_cur_value(scanner).v_int;
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default:
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return 0.0;
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}
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}
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girara_list_t*
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synctex_rectangles_from_position(const char* filename, const char* position,
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unsigned int* page,
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synctex_rectangles_from_position(const char* filename, const char* input_file,
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int line, int column, unsigned int* page,
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girara_list_t** secondary_rects)
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{
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if (filename == NULL || position == NULL || page == NULL) {
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if (filename == NULL || input_file == NULL || page == NULL) {
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return NULL;
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}
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char** argv = g_try_malloc0(sizeof(char*) * 7);
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if (argv == NULL) {
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synctex_scanner_t scanner = synctex_scanner_new_with_output_file(filename, NULL, 1);
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if (scanner == NULL) {
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girara_debug("Failed to create synctex scanner.");
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return NULL;
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}
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argv[0] = g_strdup("synctex");
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argv[1] = g_strdup("view");
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argv[2] = g_strdup("-i");
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argv[3] = g_strdup(position);
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argv[4] = g_strdup("-o");
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argv[5] = g_strdup(filename);
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gint output = -1;
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bool ret = g_spawn_async_with_pipes(NULL, argv, NULL,
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G_SPAWN_SEARCH_PATH | G_SPAWN_STDERR_TO_DEV_NULL, NULL, NULL, NULL, NULL,
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&output, NULL, NULL);
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g_strfreev(argv);
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if (ret == false) {
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return false;
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synctex_scanner_t temp = synctex_scanner_parse(scanner);
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if (temp == NULL) {
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girara_debug("Failed to parse synctex file.");
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synctex_scanner_free(scanner);
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return NULL;
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}
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GScanner* scanner = g_scanner_new(&scanner_config);
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token_t* tokens = scanner_tokens;
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while (tokens->name != NULL) {
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g_scanner_add_symbol(scanner, tokens->name, GINT_TO_POINTER(tokens->token));
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tokens++;
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}
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g_scanner_input_file(scanner, output);
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bool found_begin = false, found_end = false;
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while (found_begin == false && found_end == false) {
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switch (g_scanner_get_next_token(scanner)) {
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case G_TOKEN_EOF:
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found_end = true;
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break;
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case G_TOKEN_SYMBOL:
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switch (GPOINTER_TO_INT(g_scanner_cur_value(scanner).v_identifier)) {
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case SYNCTEX_RESULT_BEGIN:
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found_begin = true;
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break;
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}
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break;
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default:
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/* skip everything else */
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break;
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}
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}
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ret = false;
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unsigned int rpage = 0;
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unsigned int current_page = 0;
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girara_list_t* hitlist = girara_list_new2(g_free);
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girara_list_t* other_rects = girara_list_new2(g_free);
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bool got_rect = false;
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zathura_rectangle_t rectangle;
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while (found_end == false) {
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switch (g_scanner_get_next_token(scanner)) {
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case G_TOKEN_EOF:
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found_end = true;
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break;
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if (synctex_display_query(scanner, input_file, line, column) > 0) {
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synctex_node_t node = NULL;
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bool got_page = false;
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case G_TOKEN_SYMBOL:
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switch (GPOINTER_TO_INT(g_scanner_cur_value(scanner).v_identifier)) {
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case SYNCTEX_RESULT_END:
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found_end = true;
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break;
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case SYNCTEX_PROP_PAGE:
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if (g_scanner_get_next_token(scanner) == G_TOKEN_INT) {
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current_page = g_scanner_cur_value(scanner).v_int - 1;
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if (ret == false) {
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ret = true;
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rpage = current_page;
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}
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if (got_rect == false) {
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continue;
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}
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got_rect = false;
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if (*page == current_page) {
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zathura_rectangle_t* real_rect = g_try_malloc(sizeof(zathura_rectangle_t));
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if (real_rect == NULL) {
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continue;
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}
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*real_rect = rectangle;
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girara_list_append(hitlist, real_rect);
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} else {
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synctex_page_rect_t* page_rect = g_try_malloc(sizeof(synctex_page_rect_t));
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if (page_rect == NULL) {
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continue;
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}
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page_rect->page = current_page;
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page_rect->rect = rectangle;
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girara_list_append(other_rects, page_rect);
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}
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}
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break;
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case SYNCTEX_PROP_H:
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rectangle.x1 = scan_float(scanner);
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got_rect = true;
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break;
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case SYNCTEX_PROP_V:
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rectangle.y2 = scan_float(scanner);
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got_rect = true;
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break;
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case SYNCTEX_PROP_WIDTH:
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rectangle.x2 = rectangle.x1 + scan_float(scanner);
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got_rect = true;
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break;
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case SYNCTEX_PROP_HEIGHT:
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rectangle.y1 = rectangle.y2 - scan_float(scanner);
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got_rect = true;
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break;
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}
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break;
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default:
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break;
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}
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}
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if (got_rect == true) {
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if (current_page == rpage) {
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zathura_rectangle_t* real_rect = g_try_malloc(sizeof(zathura_rectangle_t));
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if (real_rect != NULL) {
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*real_rect = rectangle;
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girara_list_append(hitlist, real_rect);
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while ((node = synctex_next_result (scanner)) != NULL) {
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const unsigned int current_page = synctex_node_page(node) - 1;
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if (got_page == false) {
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got_page = true;
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*page = current_page;
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}
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} else {
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synctex_page_rect_t* page_rect = g_try_malloc(sizeof(synctex_page_rect_t));
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if (page_rect != NULL) {
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zathura_rectangle_t rect = { 0, 0, 0, 0 };
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rect.x1 = synctex_node_box_visible_h(node);
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rect.y1 = synctex_node_box_visible_v(node) - synctex_node_box_visible_height(node);
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rect.x2 = rect.x1 + synctex_node_box_visible_width(node);
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rect.y2 = synctex_node_box_visible_depth(node) + synctex_node_box_visible_height (node) + rect.y1;
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if (*page == current_page) {
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zathura_rectangle_t* real_rect = g_try_malloc(sizeof(zathura_rectangle_t));
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if (real_rect == NULL) {
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continue;
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}
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*real_rect = rect;
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girara_list_append(hitlist, real_rect);
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} else {
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synctex_page_rect_t* page_rect = g_try_malloc(sizeof(synctex_page_rect_t));
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if (page_rect == NULL) {
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continue;
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}
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page_rect->page = current_page;
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page_rect->rect = rectangle;
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page_rect->rect = rect;
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girara_list_append(other_rects, page_rect);
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}
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}
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}
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g_scanner_destroy(scanner);
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close(output);
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synctex_scanner_free(scanner);
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if (ret == false) {
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girara_debug("Got no usable output from running synctex view.");
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girara_list_free(hitlist);
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girara_list_free(other_rects);
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return NULL;
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}
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if (page != NULL) {
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*page = rpage;
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}
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if (secondary_rects != NULL) {
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*secondary_rects = other_rects;
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} else {
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