73
101
        if maxnum and rev_index >= maxnum:
 
75
103
        revid_index[revid] = rev_index
 
76
 
        revno_index[revno_sequence] = rev_index
 
78
 
        branch_id = revno_sequence[0:-1]
 
81
 
        if branch_id not in branch_lines:
 
83
 
            branch_lines[branch_id] = branch_line
 
85
 
            branch_line = branch_lines[branch_id]
 
87
 
        branch_line.append(rev_index)
 
89
105
        parents = graph_parents[revid]
 
90
 
        for parent_revid in parents:
 
91
 
            graph_children[parent_revid].append(revid)
 
93
106
        linegraph.append([revid,
 
 
114
            revno_index[revno_sequence] = rev_index
 
 
116
            branch_id = revno_sequence[0:-1]
 
 
119
            if branch_id not in branch_lines:
 
 
121
                branch_lines[branch_id] = branch_line
 
 
123
                branch_line = branch_lines[branch_id]
 
 
125
            branch_line.append(rev_index)        
 
100
 
    branch_ids = branch_lines.keys()
 
102
 
    def branch_id_cmp(x, y):
 
103
 
        """Compaire branch_id's first by the number of digits, then reversed
 
109
 
        return cmp(len_x, len_y)
 
111
 
    branch_ids.sort(branch_id_cmp)
 
112
 
    # This will hold a tuple of (child_index, parent_index, col_index) for each
 
113
 
    # line that needs to be drawn. If col_index is not none, then the line is
 
114
 
    # drawn along that column, else the the line can be drawn directly between
 
115
 
    # the child and parent because either the child and parent are in the same
 
116
 
    # branch line, or the child and parent are 1 row apart.
 
118
 
    empty_column = [False for i in range(len(graph_parents))]
 
119
 
    # This will hold a bit map for each cell. If the cell is true, then the
 
120
 
    # cell allready contains a node or line. This use when deciding what column
 
121
 
    # to place a branch line or line in, without it overlaping something else.
 
122
 
    columns = [list(empty_column)]
 
125
 
    for branch_id in branch_ids:
 
126
 
        branch_line = branch_lines[branch_id]
 
128
 
        # Find the col_index for the direct parent branch. This will be the
 
129
 
        # starting point when looking for a free column.
 
132
 
        if len(branch_id) > 1:
 
133
 
            parent_revno = branch_id[0:-1]
 
134
 
            if parent_revno in revno_index:
 
135
 
                parent_index = revno_index[parent_revno]
 
136
 
                parent_node = linegraph[parent_index][1]
 
138
 
                    parent_col_index = parent_node[0]
 
141
 
        col_search_order = _branch_line_col_search_order(columns,
 
143
 
        color = reduce(lambda x, y: x+y, branch_id, 0)
 
147
 
        last_rev_index = None
 
148
 
        for rev_index in branch_line:
 
150
 
                if broken_line_length and \
 
151
 
                   rev_index - last_rev_index > broken_line_length:
 
152
 
                    line_range.append(last_rev_index+1)
 
153
 
                    line_range.append(rev_index-1)
 
155
 
                    line_range.extend(range(last_rev_index+1, rev_index))
 
157
 
            line_range.append(rev_index)
 
158
 
            last_rev_index = rev_index
 
161
 
            if broken_line_length and \
 
162
 
               parent_index - last_rev_index > broken_line_length:
 
163
 
                line_range.append(last_rev_index+1)
 
165
 
                line_range.extend(range(last_rev_index+1, parent_index))
 
167
 
        col_index = _find_free_column(columns,
 
171
 
        node = (col_index, color)
 
172
 
        for rev_index in branch_line:
 
173
 
            linegraph[rev_index][1] = node
 
174
 
            columns[col_index][rev_index] = True
 
176
 
        for rev_index in branch_line:
 
181
 
                 end_of_merge) = merge_sorted_revisions[rev_index]
 
183
 
            linegraph[rev_index][4] = graph_children[revid]
 
184
 
            col_index = linegraph[rev_index][1][0]
 
186
 
            for parent_revid in graph_parents[revid]:
 
187
 
                if parent_revid in revid_index:
 
189
 
                    parent_index = revid_index[parent_revid]                            
 
 
128
        branch_ids = branch_lines.keys()
 
 
130
        def branch_id_cmp(x, y):
 
 
131
            """Compaire branch_id's first by the number of digits, then reversed
 
 
137
            return cmp(len_x, len_y)
 
 
139
        branch_ids.sort(branch_id_cmp)
 
 
140
        # This will hold a tuple of (child_index, parent_index, col_index) for each
 
 
141
        # line that needs to be drawn. If col_index is not none, then the line is
 
 
142
        # drawn along that column, else the the line can be drawn directly between
 
 
143
        # the child and parent because either the child and parent are in the same
 
 
144
        # branch line, or the child and parent are 1 row apart.
 
 
146
        empty_column = [False for i in range(len(graph_parents))]
 
 
147
        # This will hold a bit map for each cell. If the cell is true, then the
 
 
148
        # cell allready contains a node or line. This use when deciding what column
 
 
149
        # to place a branch line or line in, without it overlaping something else.
 
 
150
        columns = [list(empty_column)]
 
 
153
        for branch_id in branch_ids:
 
 
154
            branch_line = branch_lines[branch_id]
 
 
156
            # Find the col_index for the direct parent branch. This will be the
 
 
157
            # starting point when looking for a free column.
 
 
160
            if len(branch_id) > 1:
 
 
161
                parent_revno = branch_id[0:-1]
 
 
162
                if parent_revno in revno_index:
 
 
163
                    parent_index = revno_index[parent_revno]
 
190
164
                    parent_node = linegraph[parent_index][1]
 
192
166
                        parent_col_index = parent_node[0]
 
 
169
            col_search_order = _branch_line_col_search_order(columns,
 
 
171
            color = reduce(lambda x, y: x+y, branch_id, 0)
 
 
175
            last_rev_index = None
 
 
176
            for rev_index in branch_line:
 
 
178
                    if broken_line_length and \
 
 
179
                       rev_index - last_rev_index > broken_line_length:
 
 
180
                        line_range.append(last_rev_index+1)
 
 
181
                        line_range.append(rev_index-1)
 
194
 
                        parent_col_index = None
 
196
 
                            _line_col_search_order(columns,
 
200
 
                    # If this line is really long, break it.
 
201
 
                    if len(branch_id) > 0 and \
 
202
 
                       broken_line_length and \
 
203
 
                       parent_index - rev_index > broken_line_length:
 
204
 
                        child_line_col_index = \
 
205
 
                            _find_free_column(columns,
 
209
 
                        _mark_column_as_used(columns,
 
210
 
                                             child_line_col_index,
 
213
 
                        # Recall _line_col_search_order to reset it back to
 
 
183
                        line_range.extend(range(last_rev_index+1, rev_index))
 
 
185
                line_range.append(rev_index)
 
 
186
                last_rev_index = rev_index
 
 
189
                if broken_line_length and \
 
 
190
                   parent_index - last_rev_index > broken_line_length:
 
 
191
                    line_range.append(last_rev_index+1)
 
 
193
                    line_range.extend(range(last_rev_index+1, parent_index))
 
 
195
            col_index = _find_free_column(columns,
 
 
199
            node = (col_index, color)
 
 
200
            for rev_index in branch_line:
 
 
201
                linegraph[rev_index][1] = node
 
 
202
                columns[col_index][rev_index] = True
 
 
204
            for rev_index in branch_line:
 
 
209
                     end_of_merge) = merge_sorted_revisions[rev_index]
 
 
211
                linegraph[rev_index][4] = graph_children[revid]
 
 
212
                col_index = linegraph[rev_index][1][0]
 
 
214
                for parent_revid in graph_parents[revid]:
 
 
215
                    if parent_revid in revid_index:
 
 
217
                        parent_index = revid_index[parent_revid]                            
 
 
218
                        parent_node = linegraph[parent_index][1]
 
 
220
                            parent_col_index = parent_node[0]
 
 
222
                            parent_col_index = None
 
215
223
                        col_search_order = \
 
216
224
                                _line_col_search_order(columns,
 
217
225
                                                       parent_col_index,
 
219
 
                        parent_col_line_index = \
 
220
 
                            _find_free_column(columns,
 
224
 
                        _mark_column_as_used(columns,
 
225
 
                                             parent_col_line_index,
 
227
 
                        lines.append((rev_index,
 
229
 
                                      (child_line_col_index,
 
230
 
                                       parent_col_line_index)))
 
232
 
                        line_col_index = col_index
 
233
 
                        if parent_index - rev_index >1:
 
234
 
                            line_range = range(rev_index + 1, parent_index)
 
236
 
                                _find_free_column(columns,
 
240
 
                            _mark_column_as_used(columns,
 
243
 
                        lines.append((rev_index,
 
247
 
    for (child_index, parent_index, line_col_indexes) in lines:
 
248
 
        (child_col_index, child_color) = linegraph[child_index][1]
 
249
 
        (parent_col_index, parent_color) = linegraph[parent_index][1]
 
 
228
                        # If this line is really long, break it.
 
 
229
                        if len(branch_id) > 0 and \
 
 
230
                           broken_line_length and \
 
 
231
                           parent_index - rev_index > broken_line_length:
 
 
232
                            child_line_col_index = \
 
 
233
                                _find_free_column(columns,
 
 
237
                            _mark_column_as_used(columns,
 
 
238
                                                 child_line_col_index,
 
 
241
                            # Recall _line_col_search_order to reset it back to
 
 
244
                                    _line_col_search_order(columns,
 
 
247
                            parent_col_line_index = \
 
 
248
                                _find_free_column(columns,
 
 
252
                            _mark_column_as_used(columns,
 
 
253
                                                 parent_col_line_index,
 
 
255
                            lines.append((rev_index,
 
 
257
                                          (child_line_col_index,
 
 
258
                                           parent_col_line_index)))
 
 
260
                            line_col_index = col_index
 
 
261
                            if parent_index - rev_index >1:
 
 
262
                                line_range = range(rev_index + 1, parent_index)
 
 
264
                                    _find_free_column(columns,
 
 
268
                                _mark_column_as_used(columns,
 
 
271
                            lines.append((rev_index,
 
251
 
        if len(line_col_indexes) == 1:
 
252
 
            if parent_index - child_index == 1:
 
253
 
                linegraph[child_index][2].append(
 
 
275
        for (child_index, parent_index, line_col_indexes) in lines:
 
 
276
            (child_col_index, child_color) = linegraph[child_index][1]
 
 
277
            (parent_col_index, parent_color) = linegraph[parent_index][1]
 
 
279
            if len(line_col_indexes) == 1:
 
 
280
                if parent_index - child_index == 1:
 
 
281
                    linegraph[child_index][2].append(
 
 
286
                    # line from the child's column to the lines column
 
 
287
                    linegraph[child_index][2].append(
 
 
291
                    # lines down the line's column
 
 
292
                    for line_part_index in range(child_index+1, parent_index-1):
 
 
293
                        linegraph[line_part_index][2].append(
 
 
294
                            (line_col_indexes[0],   
 
 
297
                    # line from the line's column to the parent's column
 
 
298
                    linegraph[parent_index-1][2].append(
 
 
299
                        (line_col_indexes[0],
 
258
304
                # line from the child's column to the lines column
 
259
305
                linegraph[child_index][2].append(
 
260
306
                    (child_col_index,
 
261
307
                     line_col_indexes[0],
 
263
 
                # lines down the line's column
 
264
 
                for line_part_index in range(child_index+1, parent_index-1):
 
265
 
                    linegraph[line_part_index][2].append(
 
266
 
                        (line_col_indexes[0],   
 
 
310
                linegraph[child_index+1][2].append(
 
 
311
                    (line_col_indexes[0],
 
 
316
                linegraph[parent_index-2][2].append(
 
269
320
                # line from the line's column to the parent's column
 
270
321
                linegraph[parent_index-1][2].append(
 
271
 
                    (line_col_indexes[0],
 
 
322
                    (line_col_indexes[1],
 
272
323
                     parent_col_index,
 
276
 
            # line from the child's column to the lines column
 
277
 
            linegraph[child_index][2].append(
 
282
 
            linegraph[child_index+1][2].append(
 
283
 
                (line_col_indexes[0],
 
288
 
            linegraph[parent_index-2][2].append(
 
292
 
            # line from the line's column to the parent's column
 
293
 
            linegraph[parent_index-1][2].append(
 
294
 
                (line_col_indexes[1],
 
 
325
        return (linegraph, revid_index, len(columns))
 
 
327
        return (linegraph, revid_index, 0)
 
299
 
    return (linegraph, revid_index, len(columns))
 
301
330
def _branch_line_col_search_order(columns, parent_col_index):
 
302
331
    for col_index in range(parent_col_index, len(columns)):